19 lines
405 B
C
19 lines
405 B
C
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
|
||
|
int main(int argc, char **argv) {
|
||
|
int number_of_doors = atoi(argv[1]);
|
||
|
int number_of_passes = atoi(argv[2]);
|
||
|
int open_doors = 0;
|
||
|
|
||
|
for (int i = 1; i <= number_of_doors; i++) {
|
||
|
int toggles = 0;
|
||
|
for (int j = 1; j <= number_of_passes; j++) {
|
||
|
toggles += i % j == 0 ? 1 : 0;
|
||
|
}
|
||
|
open_doors += toggles % 2;
|
||
|
}
|
||
|
|
||
|
printf("%d\n", open_doors);
|
||
|
}
|