Submission #1125356

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125356		VVUU	Catfish Farm (IOI22_fish)	C++20	Compilation error	0 ms	0 KiB

fish

#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w){
	vector<vector<pair<long long, long long> > > p;
	vector<vector<long long> > pre;
	p.resize(N+10);
	pre.resize(N+10);
	for(long long i=0; i<=N; i++) p[i].push_back(make_pair(0, 0));
	for(long long i=0; i<M; i++) p[X[i]].push_back(make_pair(Y[i], W[i]));
	vector<long long> ans;
	ans.resize(n+10);
//	vector<vector<vector<long long> > > dp;
//	dp.resize(N+10);
//	for(long long i=1; i<=N; i++) 
//	for(long long i=1; i<=N; i++) 
//	for(long long i=1; i<=N; i++){
//		sort(p[i].begin(), p[i].end());
//		dp[i].resize(p[i].size(), vector<long long>(5));
//		pre[i].resize(p[i].size());
//		for(long long j=1; j<p[i].size(); j++) pre[i][j]+=pre[i][j-1]+p[i][j].second;
//	}
//	for(long long i=2; i<=N; i++){
//		dp[i][0][0]=dp[i-1][0][0];
//		long long L=p[i-1].size();
//		long long val=dp[i-1][L][0]+pre[i].back();
//		for(long long j=pre[i].size()-1; j>=0; j--){
//			while(L && p[i-1][L-1].first>p[i][j].first) L--, val=max(val, dp[i-1][L][0]+pre[i][j]);
//			if(j) dp[i][j][3]=max(dp[i][j][3], val-pre[i][j-1]);
//			else dp[i][j][3]=max(dp[i][j][3], val);
//		}
//		dp[i][0][0]=max(dp[i][0][0], dp[i][0][3]);
//		long long D=0; val=-1e18;
//		for(long long j=1; j<p[i].size(); j++){
//			dp[i][j][1]=dp[i-1][0][0];
//			while(D+1<p[i-1].size() && p[i-1][D+1].first<p[i][j].first){
//				D++; val=max(val, dp[i-1][D][2]-pre[i-1][D-1]);
//			}
//			dp[i][j][2]=max(dp[i][j][2], max(val, ans[i-2])+pre[i-1][D]);
//		}
//		ans[i]=dp[i][0][0];
//		for(long long j=1; j<p[i].size(); j++){
//			dp[i][j][0]=max(dp[i][j][1], max(dp[i][j][2], dp[i][j][3]));
//			ans[i]=max(ans[i], dp[i][j][0]);
//		}
//	}
	return ans[n];
}

Compilation message (stderr)

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:7:18: error: 'N' was not declared in this scope
    7 |         p.resize(N+10);
      |                  ^
fish.cpp:10:30: error: 'M' was not declared in this scope
   10 |         for(long long i=0; i<M; i++) p[X[i]].push_back(make_pair(Y[i], W[i]));
      |                              ^
fish.cpp:10:40: error: 'X' was not declared in this scope
   10 |         for(long long i=0; i<M; i++) p[X[i]].push_back(make_pair(Y[i], W[i]));
      |                                        ^
fish.cpp:10:66: error: 'Y' was not declared in this scope
   10 |         for(long long i=0; i<M; i++) p[X[i]].push_back(make_pair(Y[i], W[i]));
      |                                                                  ^
fish.cpp:10:72: error: 'W' was not declared in this scope
   10 |         for(long long i=0; i<M; i++) p[X[i]].push_back(make_pair(Y[i], W[i]));
      |                                                                        ^