Cattle off network PAT driving range - single digits of statistics

Idea: each accept a character, then the statistics once

Topic address: https: //www.nowcoder.com/questionTerminal/a2063993dd424f9cba8246a3cf8ef445

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<cstring>
 4 using namespace std;
 5 int main(){
 6     int a[10]={0};
 7     char c;
 8     scanf("%c",&c);
 9     while(c>='0'&&c<='9'){
10     while(c=getchar())
11         a[c-'0']++;
12         scanf("%c",&c);
13     }
14     for(int i=0;i<=9;i++){
15         if(a[i]!=0){
16             printf("%d:%d\n",i,a[i]);
17         }
18     }
19     return 0;
20 }