Submission #1240092

#	Time	Username	Problem	Language	Result	Execution time	Memory
1240092		vtnoo	Catfish Farm (IOI22_fish)	C++20	0 / 100	1004 ms	2162688 KiB

fish

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W){
	if(N==1)return 0;
	if(N==2){
		vector<vector<pair<int,int>>> x(2);
		for(int i=0;i<M;i++){
			x[X[i]].push_back(make_pair(Y[i], W[i]));
		}
		ll sum[2];
		for(int i=0;i<2;i++){
			for(auto v:x[i]){
				sum[i]+=v.second;
			}
		}
		return max(sum[0], sum[1]);
	}
	else{
		ll x1=0;
		vector<vector<int>> g(N, vector<int>(N, 0));
		for(int i=0;i<M;i++){
			g[X[i]][Y[i]]=W[i];
			if(X[i]==1)x1+=W[i];
		}
		ll ans=x1, acc=0, cur=0;
		for(int i=0;i<N;i++){
			acc+=g[1][i];
			cur+=g[0][i];
			ans=max(ans, (x1-acc)+cur);
		}
		return ans;
	}
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 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