#include <stdio.h> #include <stdlib.h> #include <time.h> int main () { int b = 0; int bb = 0; srand(time(0)); for(int aa = 0; aa < 100; aa++){ int a = rand(); if(a % 2 == 0){ b++; } if (a % 2 == 1) { bb++; } } printf("有%d的可能。", b); return 0; }