Submission #1240105

#	Time	Username	Problem	Language	Result	Execution time	Memory
1240105		vtnoo	Catfish Farm (IOI22_fish)	C++20	0 / 100	48 ms	9796 KiB

fish

#pragma once

#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;
	else if(N==2){
		ll sum[2];
		for(int i=0;i<M;i++){
			if(X[i]==1)sum[1]+=W[i];
			else sum[0]+=W[i];
		}
		return max(sum[0], sum[1]);
	}
	else{
		ll x1=0;
		vector<vector<ll>> g(2, vector<ll>(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+=(ll)g[1][i];
			cur+=(ll)g[0][i];
			ans=max(ans, (x1-acc)+cur);
		}
		return ans;
	}
}

Compilation message (stderr)

fish.cpp:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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