AOJ 0025 Hit and Blow
#include <cstdio> int main(){ int a[4], b[4]; while(~scanf("%d %d %d %d\n%d %d %d %d\n", &a[0], &a[1], &a[2], &a[3], &b[0], &b[1], &b[2], &b[3])){ int hit = 0, blow = 0; for(int i = 0; i < 4; i++) for(int j = 0; j < 4; j++) if(a[i] == b[j]) if(i == j) hit++; else blow++; printf("%d %d\n", hit, blow); } return 0; }