Submission #629072

#	Time	Username	Problem	Language	Result	Execution time	Memory
629072		Justin1	Catfish Farm (IOI22_fish)	C++17	6 / 100	86 ms	8824 KiB

fish

#include "fish.h"
 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
ll ps1[100005], ps2[100005];
 
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
	for (int i = 0; i < M; i++) {
		if (X[i] == 0) ps1[Y[i]] += W[i];
		else ps2[Y[i]] += W[i];
	}
	for (int i = 1; i < N; i++) ps1[i] += ps1[i-1];
	for (int i = N-1; i >= 0; i--) ps2[i] += ps2[i+1];
	if (N == 2) {
		return max(ps1[N-1], ps2[0]);
	}
	ll ans = ps2[0];
	for (int i = 0; i < N; i++) ans = max(ans,ps1[i] + ps2[i+1]);
	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