#include<
stdio.h>
#include<
stdlib.h>
#define N 20
int 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]; // å¨æ¤å¤æ±å
printf("第%d个æ°ï¼%d\n", i, a[i]);
}
mean /= N; //
å¹³åæ°printf("å¹³åæ°ï¼%lf\n", mean);
for(i = 0; i < N; ++i)
{
if(a[i] > mean && !(a[i] & 1)) // å¶æ°å¤æ (!(x&1))
{
count++;
}
}
printf("ç»è®¡ä¸ªæ°ï¼%d\n", count);
return 0;
}
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