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