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CSPJ2019A. 数字游戏

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https://hydro.ac/d/ccf/record/615816122a2aefdda01dcfe9
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Baoshuo Ren 2021-10-02 16:20:15 +08:00 committed by Baoshuo Ren
parent 803bd3a891
commit ad44e32e09
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 15 additions and 0 deletions
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Hydro/d/ccf/CSPJ2019A/CSPJ2019A.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
int ans;
string s;
int main() {
cin >> s;
for (auto c : s) {
ans += c == '1';
}
cout << ans << endl;
return 0;
}