#include <stdio.h> #include <stdlib.h> int main(void) {     int people_count = 0;     int *peoples = NULL;     printf("please input people number: ");     scanf("%d", &people_count);     if (people_count < 2){         printf("can't do Joseph\n");     }     peoples = (int *)calloc(people_count, sizeof(int));     int i;     for(i = 0; i < people_count; i++){         peoples[i] = i+1;     }     i = 0;     int j = 0;     int rest = people_count;     while(rest){         if (i >= people_count){             i %= people_count;         }         if (peoples[i] == 0){             i++;             continue;         }         if (j++ % 3 ==0 && rest > 1){             printf("kill people NO. %d\n", peoples[i]);             peoples[i] = 0;             rest--;         }else if (rest==1){             printf("NO. %d is alive\n", peoples[i]);             rest--;         }         i++;     }     system("pause");     return 0; }