제출 #1176763

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1176763		SulA	Catfish Farm (IOI22_fish)	C++20	0 / 100	12 ms	2880 KiB

fish

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(a) a.begin(), a.end()
using namespace std;
using namespace __gnu_pbds;

long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
    long long sum[2]{};
    int a[2][n];
    for (int i = 0; i < m; i++) {
        sum[ y[i] ] += w[i];
        a[ y[i] ][ x[i] ] = w[i];
    }
    if (n == 2)
        return max(sum[0], sum[1]);
    long long cur = sum[0], ans = cur;
    for (int i = 0; i < n; i++) {
        cur -= a[0][i];
        cur += a[1][i];
        ans = max(ans, cur);
    }
    cur = sum[1];
    for (int i = 0; i < n; i++) {
        cur -= a[1][i];
        cur += a[0][i];;
        ans = max(ans, cur);
    }
    return ans;
}

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