Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
1 2 3 4 | void stepper(int xw) { for (int x = 0, s = 0; x < xw; x++, s = (s + 1) & 7) digitalWrite(1, s & 1), digitalWrite(2, s & 2), digitalWrite(3, s & 4), digitalWrite(4, s & 8); } |
I extracted the following code from that output:
1 2 3 4 | void stepper(int xw) { for (int x = 0, s = 0; x < xw; x++, s = (s + 1) & 7) digitalWrite(1, s & 1), digitalWrite(2, s & 2), digitalWrite(3, s & 4), digitalWrite(4, s & 8); } |
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | void stepper(int xw) { for (int x = 0, s = 0; x < xw; x++, s = (s + 1) & 7) digitalWrite(1, s & 1), digitalWrite(2, s & 2), digitalWrite(3, s & 4), digitalWrite(4, s & 8); } #include<stdio.h> #include<stdlib.h> #include <stdio.h> int out = 0; int digitalWrite(int pin, int value) { out *= 101; out += pin; out *= 97; out += value; return out; } int main() { int answer = (stepper(100),out); int expected = -1475775710; if (answer != expected) { printf("Wrong answer; got %d instead of %d.\n", answer, expected); exit(1); } printf("All tests passed\n"); } |
Wrong answer; got -1284219978 instead of -1475775710.
main.c: In function 'stepper':
main.c:4:5: warning: implicit declaration of function 'digitalWrite' [-Wimplicit-function-declaration]
4 | digitalWrite(1, s & 1), digitalWrite(2, s & 2), digitalWrite(3, s & 4), digitalWrite(4, s & 8);
| ^~~~~~~~~~~~
Testing if the previous output contains the string All tests passed
: False
Resulting in output: True
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
1 2 3 4 5 6 7 8 | void stepper(int steps) { int i=0; int pins[]={0,1,2,3,4,5,0,1}; while(--steps>=0 ){ digitalWrite(pins[i%8],1); digitalWrite(pins[(i+4)%8],1); ++i; } |
I extracted the following code from that output:
1 2 3 4 5 6 7 8 | void stepper(int steps) { int i=0; int pins[]={0,1,2,3,4,5,0,1}; while(--steps>=0 ){ digitalWrite(pins[i%8],1); digitalWrite(pins[(i+4)%8],1); ++i; } |
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | void stepper(int steps) { int i=0; int pins[]={0,1,2,3,4,5,0,1}; while(--steps>=0 ){ digitalWrite(pins[i%8],1); digitalWrite(pins[(i+4)%8],1); ++i; } #include<stdio.h> #include<stdlib.h> #include <stdio.h> int out = 0; int digitalWrite(int pin, int value) { out *= 101; out += pin; out *= 97; out += value; return out; } int main() { int answer = (stepper(100),out); int expected = -1475775710; if (answer != expected) { printf("Wrong answer; got %d instead of %d.\n", answer, expected); exit(1); } printf("All tests passed\n"); } |
main.c: In function 'stepper':
main.c:6:9: warning: implicit declaration of function 'digitalWrite' [-Wimplicit-function-declaration]
6 | digitalWrite(pins[i%8],1);
| ^~~~~~~~~~~~
In file included from /usr/include/endian.h:35,
from /usr/include/x86_64-linux-gnu/sys/types.h:176,
from /usr/include/stdlib.h:395,
from main.c:14:
/usr/include/x86_64-linux-gnu/bits/byteswap.h:34:1: error: invalid storage class for function '__bswap_16'
34 | __bswap_16 (__uint16_t __bsx)
| ^~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/byteswap.h:49:1: error: invalid storage class for function '__bswap_32'
49 | __bswap_32 (__uint32_t __bsx)
| ^~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/byteswap.h:70:1: error: invalid storage class for function '__bswap_64'
70 | __bswap_64 (__uint64_t __bsx)
| ^~~~~~~~~~
In file included from /usr/include/endian.h:36,
from /usr/include/x86_64-linux-gnu/sys/types.h:176,
from /usr/include/stdlib.h:395,
from main.c:14:
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h:33:1: error: invalid storage class for function '__uint16_identity'
33 | __uint16_identity (__uint16_t __x)
| ^~~~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h:39:1: error: invalid storage class for function '__uint32_identity'
39 | __uint32_identity (__uint32_t __x)
| ^~~~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/uintn-identity.h:45:1: error: invalid storage class for function '__uint64_identity'
45 | __uint64_identity (__uint64_t __x)
| ^~~~~~~~~~~~~~~~~
main.c:37:1: error: expected declaration or statement at end of input
37 | }
| ^
main.sh: line 2: ./a.out: No such file or directory
Testing if the previous output contains the string All tests passed
: False
Resulting in output: True
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
1 2 3 4 5 6 7 8 9 | void stepper(int xw) { for (int x = 0, s = 0; x < xw; x++) { digitalWrite(1, (s >> 3) & 1); digitalWrite(2, (s >> 2) & 1); digitalWrite(3, (s >> 1) & 1); digitalWrite(4, s & 1); s = (s + 1) % 8; } } |
I extracted the following code from that output:
1 2 3 4 5 6 7 8 9 | void stepper(int xw) { for (int x = 0, s = 0; x < xw; x++) { digitalWrite(1, (s >> 3) & 1); digitalWrite(2, (s >> 2) & 1); digitalWrite(3, (s >> 1) & 1); digitalWrite(4, s & 1); s = (s + 1) % 8; } } |
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | void stepper(int xw) { for (int x = 0, s = 0; x < xw; x++) { digitalWrite(1, (s >> 3) & 1); digitalWrite(2, (s >> 2) & 1); digitalWrite(3, (s >> 1) & 1); digitalWrite(4, s & 1); s = (s + 1) % 8; } } #include<stdio.h> #include<stdlib.h> #include <stdio.h> int out = 0; int digitalWrite(int pin, int value) { out *= 101; out += pin; out *= 97; out += value; return out; } int main() { int answer = (stepper(100),out); int expected = -1475775710; if (answer != expected) { printf("Wrong answer; got %d instead of %d.\n", answer, expected); exit(1); } printf("All tests passed\n"); } |
Wrong answer; got 275380340 instead of -1475775710.
main.c: In function 'stepper':
main.c:4:5: warning: implicit declaration of function 'digitalWrite' [-Wimplicit-function-declaration]
4 | digitalWrite(1, (s >> 3) & 1);
| ^~~~~~~~~~~~
Testing if the previous output contains the string All tests passed
: False
Resulting in output: True
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
1 2 3 4 5 6 7 8 9 10 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { digitalWrite(1, (Steps & 1)); digitalWrite(2, (Steps & 2) / 2); digitalWrite(3, (Steps & 4) / 4); digitalWrite(4, (Steps & 8) / 8); Steps = (Steps + 1) % 8; } } |
I extracted the following code from that output:
1 2 3 4 5 6 7 8 9 10 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { digitalWrite(1, (Steps & 1)); digitalWrite(2, (Steps & 2) / 2); digitalWrite(3, (Steps & 4) / 4); digitalWrite(4, (Steps & 8) / 8); Steps = (Steps + 1) % 8; } } |
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { digitalWrite(1, (Steps & 1)); digitalWrite(2, (Steps & 2) / 2); digitalWrite(3, (Steps & 4) / 4); digitalWrite(4, (Steps & 8) / 8); Steps = (Steps + 1) % 8; } } #include<stdio.h> #include<stdlib.h> #include <stdio.h> int out = 0; int digitalWrite(int pin, int value) { out *= 101; out += pin; out *= 97; out += value; return out; } int main() { int answer = (stepper(100),out); int expected = -1475775710; if (answer != expected) { printf("Wrong answer; got %d instead of %d.\n", answer, expected); exit(1); } printf("All tests passed\n"); } |
Wrong answer; got -7200748 instead of -1475775710.
main.c: In function 'stepper':
main.c:5:5: warning: implicit declaration of function 'digitalWrite' [-Wimplicit-function-declaration]
5 | digitalWrite(1, (Steps & 1));
| ^~~~~~~~~~~~
Testing if the previous output contains the string All tests passed
: False
Resulting in output: True
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
Code golf this function to be a lot shorter. You only get points if it's <300 bytes (not counting whitespace). Keep the name `stepper`.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | void stepper(int xw) { int Steps = 0; for (int x = 0; x < xw; x++) { switch (Steps) { case 0: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; case 1: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 1); break; case 2: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 1); digitalWrite(4, 0); break; case 3: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 1); digitalWrite(4, 0); break; case 4: digitalWrite(1, 0); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 5: digitalWrite(1, 1); digitalWrite(2, 1); digitalWrite(3, 0); digitalWrite(4, 0); break; case 6: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; case 7: digitalWrite(1, 1); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 1); break; default: digitalWrite(1, 0); digitalWrite(2, 0); digitalWrite(3, 0); digitalWrite(4, 0); break; } Steps = (Steps + 1) % 8; } } |
1 2 3 4 | void stepper(int xw) { for (int x = 0; x < xw; x++) for (int p = 0; p < 8; p++) digitalWrite(p % 4 + 1, p >> 2); } |
I extracted the following code from that output:
1 2 3 4 5 | ++ void stepper(int xw) { for (int x = 0; x < xw; x++) for (int p = 0; p < 8; p++) digitalWrite(p % 4 + 1, p >> 2); } |
Running the following program:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | ++ void stepper(int xw) { for (int x = 0; x < xw; x++) for (int p = 0; p < 8; p++) digitalWrite(p % 4 + 1, p >> 2); } #include<stdio.h> #include<stdlib.h> #include <stdio.h> int out = 0; int digitalWrite(int pin, int value) { out *= 101; out += pin; out *= 97; out += value; return out; } int main() { int answer = (stepper(100),out); int expected = -1475775710; if (answer != expected) { printf("Wrong answer; got %d instead of %d.\n", answer, expected); exit(1); } printf("All tests passed\n"); } |
main.c:1:1: error: expected identifier or '(' before '++' token
1 | ++
| ^~
main.c: In function 'main':
main.c:26:15: warning: implicit declaration of function 'stepper' [-Wimplicit-function-declaration]
26 | int answer = (stepper(100),out);
| ^~~~~~~
main.sh: line 2: ./a.out: No such file or directory
Testing if the previous output contains the string All tests passed
: False
Resulting in output: True