>>237
(1)
出力は勝手に考えた

#include <stdio.h>

int main(void)
{
int num[10] = {0,0,0,0,0,0,0,0,0,0};
int n = 0;
int i = 0;

while(1){
printf("input:");
scanf("%d",&n);
if(n <= 10) num[n]++;
for(i = 0;i < 10;i++)printf("%d:%d\n",i,num[i]);
printf("\n");
}
return 0;
}