제출 #1234698

#제출 시각아이디문제언어결과실행 시간메모리
1234698Muhammad_Aneeq메기 농장 (IOI22_fish)C++17
6 / 100
47 ms7496 KiB
#include "fish.h" #include <vector> #include <iostream> using namespace std; int const N=1e5+10; long long pre[2][N]={}; // 0 if we are updating it from behind 1 if being updated from long long max_weights(int N, int M, vector<int> X, vector<int> Y,vector<int> W) { for (int i=0;i<M;i++) pre[X[i]][Y[i]+1]=W[i]; for (int i=0;i<2;i++) for (int j=1;j<=N;j++) pre[i][j]+=pre[i][j-1]; if (N==2) { return max(pre[0][N],pre[1][N]); } long long ans=max(pre[0][N],pre[1][N]); for (int i=0;i<=N;i++) { ans=max(ans,pre[0][i]+pre[1][N]-pre[1][i]); } return ans; }
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