Submission #1336072

#	Time	Username	Problem	Language	Result	Execution time	Memory
1336072		YSH2020	Catfish Farm (IOI22_fish)	C++20	6 / 100	49 ms	9052 KiB

fish

#include <bits/stdc++.h>
using namespace std;
long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	long long pref[2][N+1];
	memset(pref,0,sizeof(pref));
	for (int i = 0; i < M; i++) {
		pref[X[i]][Y[i]+1]+=W[i];
	}
	for (int i = 1; i <= N; i++) {
		pref[0][i]+=pref[0][i-1];
		pref[1][i]+=pref[1][i-1];
	}
	if (N<3) return max(pref[0][N], pref[1][N]);
	long long ans=max(pref[0][N], pref[1][N]);
	for (int i = 1; i <= N; i++) {
		ans=max(ans,pref[0][i]+pref[1][N]-pref[1][i]);
	}
	return ans;
}

• Subtask 1: 0 / 3
• Subtask 2: 6 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16