//计数0-9各出现了多少次
#include<stdio.h>
#include<stdlib.h>
int main()
{
const int number = 10;
int i,x;
int a[number] = { 0 };//数组初始化
printf("input x:\n");
scanf_s("%d", &x);
while (x != -1)
{
a[x]++;
scanf_s("%d", &x);
}
for (i = 0; i < 10; i++)
{
printf("%d: %d次\n", i, a[i]);
}
system("pause");
return 0;
}
输出
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