Submission #61516941

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

signed main() { ios::sync_with_stdio(false); cin.tie(nullptr);
    int n;
    string s;
    cin >> n >> s;

    vector<long long> ans(s.size());
    for (size_t i = 0; i < s.size(); i++) {
        int digit = s[i] - '0';
        ans[s.size() - i - 1] += (i + 1) * digit;
    }

    for (int i = s.size() - 1; i > 0; i--) {
        ans[i - 1] += ans[i];
    }
    for (int i = 0; i + 1 < s.size(); i++) {
        ans[i + 1] += ans[i] / 10;
        ans[i] %= 10;
    }
    while (ans.back() > 10) {
        long long w = ans.back();
        ans.back() %= 10;
        ans.push_back(w / 10);
    }
    reverse(ans.begin(), ans.end());
    for (auto digit : ans)
        cout << digit;
    cout << '\n';
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:18:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   18 |     for (int i = 0; i + 1 < s.size(); i++) {
      |                     ~~~~~~^~~~~~~~~~

Judge Result