思路:
此题只需要两层循环,通过数组映射即可求出答案
AC代码:
#include<iostream>using namespace std;typedef long long ll;
const int N = 10;
int a[N];int main()
{ll n,m;cin >> n >> m;for(ll i=n;i<=m;i++){ll num = i;while(num != 0){ll c = num % 10;a[c] ++;num /= 10;}}for(int i=0;i<N;i++) cout << a[i] << ' ';return 0;
}