#include<stdio.h>#include<stdlib.h>#define N 20int main(){int a[N];int i, count = 0;double mean = 0.0;srand(time(NULL));for(i=0;i<N;i++){a[i] = rand() % 90 + 10;mean += (double) a[i]; // 在此处求和printf(“第%d个数:%d\n”, i, a[i]);}mean /= N; // 平均数printf(“平均数:%lf\n”, mean);for(i = 0; i < N; ++i){if(a[i] > mean && !(a[i] & 1)) // 偶数判断 (!(x&1)){count++;}}printf(“统计个数:%d\n”, count);return 0;}
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