题解 | 游游的数字圈
游游的数字圈
https://www.nowcoder.com/practice/16eafa41a4a242b8870cb2c5420ae089
#include<bits/stdc++.h>
using namespace std;
int main() {
string s;
cin >> s;
map<int, int> p;
p['0'] = p['6'] = p['9'] = 1;
p['8'] = 2;
//直接用map映射记录答案即可
int ans = 0;
for (char c: s) {
ans += p[c];
}
cout << ans << endl;
}
//直接用map映射记录答案即可
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