提出 #52892096

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ソースコード 拡げる

#include<bits/stdc++.h>
#define int long long
using namespace std;
vector<int> sx[2],sy[2];
signed main()
{
    int n;
    cin >> n;
    for(int i = 1;i <= n;i++)
    {
        int X,Y;
        cin >> X >> Y;
        int op = (X + Y) % 2;
        sx[op].push_back(X + Y);
        sy[op].push_back(X - Y);
    }
    auto work = [&](vector<int> a) -> int
    {
        sort(a.begin(),a.end());
        int ans = 0;
        for(int i = 1;i < a.size();i++)
        {
            ans += i * (a.size() - i) * (a[i] - a[i - 1]);
        }
        return ans;
    };
    int ans = 0;
    ans += work(sx[0]) + work(sx[1]) + work(sy[0]) + work(sy[1]);
    cout << ans / 2;
    return 0;
}

提出情報

コンパイルエラー

Main.cpp: In lambda function:
Main.cpp:21:25: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘std::vector<long long int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   21 |         for(int i = 1;i < a.size();i++)
      |                       ~~^~~~~~~~~~

ジャッジ結果