제출 #1234567

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1234567		Ghulam_Junaid	Catfish Farm (IOI22_fish)	C++20	0 / 100	50 ms	7496 KiB

fish

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

typedef long long ll;

ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
    ll sm[2] = {};
    vector<pair<int, int>> vec[2];
    for (int i = 0; i < m; i ++){
        sm[x[i]] += w[i];
        vec[x[i]].push_back({y[i], w[i]});
    }
    sort(vec[0].begin(), vec[0].end());
    sort(vec[1].begin(), vec[1].end());

    ll ans = max(sm[0], sm[1]);

    sm[0] = 0;
    int it = 0;
    for (auto [yy, ww] : vec[0]){
        sm[0] += ww;
        while (it < vec[1].size() and vec[1][it].first <= yy)
            sm[1] -= vec[1][it++].second;
        ans = max(ans, sm[0] + sm[1]);
    }

    return ans;
}

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