제출 #724331

#제출 시각아이디문제언어결과실행 시간메모리
724331nihaddhuseynli메기 농장 (IOI22_fish)C++17
0 / 100
24 ms9840 KiB
#include "fish.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;
typedef long long int ll;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,std::vector<int> W) {
    ll ans =0;
    
        ans=0;
        ll b[2][300005];
        memset(b,0,sizeof(b));
        for(int i =0;i<M;i++){
            b[X[i]][Y[i]] += W[i];
        }
        for(int i =1;i<N-1;i++){
            b[0][i] += b[0][i - 1];
            b[1][i] += b[1][i - 1];
        }
        ans = max(b[0][N - 1], b[1][N - 1]);
        if(N == 2) return ans;
        for(int i =0;i<N;i++)
        {
            long long val = b[1][N - 1] - b[1][i];
            ans=max(ans, val + b[0][i]);
        }
        return ans;

}
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