oj.uz

답안 #1056078

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1056078 2024-08-13T07:39:58 Z amirhoseinfar1385 메기 농장 (IOI22_fish) C++17
0 / 100
 1000 ms 309700 KB 
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000+10,maxh=3000+10;
int n,m;
vector<pair<int,int>>allc[maxn];
long long dp[maxh][maxh],inf=1e16,all[maxh][maxh],dpp[maxh][maxh];

long long solve(){
    for(int i=0;i<=n;i++){
        dp[0][i]=-inf;
    }
    dp[0][0]=0;
    long long mainres=0;
    for(int i=1;i<=n;i++){
        for(int j=0;j<=n;j++){
            dp[i][j]=dpp[i][j]=-inf;
        }
        long long unnow=-inf;
        for(int j=n;j>=0;j--){
            dp[i][j]=max(dp[i][j],unnow);
            dp[i][j]=max(dp[i-1][j],dp[i][j]);
            dpp[i][j]=max(dpp[i][j],dp[i-1][j]);
            unnow=max(unnow,dp[i-1][j])+all[i][j];
        }
        unnow=-inf;
        if(i==1){
            unnow=0;
        }
        for(int j=1;j<=n;j++){
            unnow=max(unnow+all[i-1][j],dpp[i-1][j]);
            dp[i][j]=max(dp[i][j],unnow);
            if(i==n){
                mainres=max(mainres,dp[i][j]);
            }
            dpp[i][j]=max(dpp[i][j],unnow);
        }
    }
   /* for(int i=0;i<=n;i++){
        for(int j=0;j<=n;j++){
            cout<<dp[i][j]<<" ";
        }
        cout<<"\n";
    }*/
    return mainres;
}

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
    n=N;
    m=M;
    for(int i=0;i<m;i++){
        Y[i]++;
        X[i]++;
        all[X[i]][Y[i]]+=W[i];
        allc[X[i]].push_back(make_pair(Y[i],W[i]));
    }
    for(int i=0;i<=n;i++){
        allc[i].push_back(make_pair(1,0));
        allc[i].push_back(make_pair(n,0));
        sort(allc[i].begin(),allc[i].end());
    }
    return solve();
}

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1063 ms 309700 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 8028 KB 1st lines differ - on the 1st token, expected: '2', found: '1'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1069 ms 215180 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 8028 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 8028 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 8028 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1069 ms 215180 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1063 ms 309700 KB Time limit exceeded
2 Halted 0 ms 0 KB -