题解 | 单组_补充前导零
单组_补充前导零
https://www.nowcoder.com/practice/c5b1fb6a4b1644e590b49a4cbca7930e
#include <bits/stdc++.h>
using namespace std;
signed main() {
string n;
cin >> n;
cout << string(9 - n.size(), '0') << n << '\n';
return 0;
}
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