Submission #1056655

# Submission time Handle Problem Language Result Execution time Memory
1056655 2024-08-13T10:28:44 Z amirhoseinfar1385 Catfish Farm (IOI22_fish) C++17
52 / 100
1000 ms 296436 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 dpn[maxh][maxh],dps[maxh][maxh],nau[maxh][maxh],inf=1e16,all[maxh][maxh];

long long solve(){
    long long mainres=0;
    for(int i=2;i<=n;i++){
        long long unnow=-inf;
        for(int j=n;j>=0;j--){
            dpn[i][j]=max(dpn[i][j],unnow);
            dpn[i][j]=max(dpn[i-1][j],dpn[i][j]);
            dpn[i][j]=max(dpn[i][j],dps[i-1][j]);
            if(i==n){
                mainres=max(mainres,dpn[i][j]);
            }
            unnow=max(max(unnow,dpn[i-1][j]),dps[i-1][j])+all[i][j];
        }
        unnow=0;
        for(int j=0;j<=n;j++){
            unnow=max(unnow+all[i-1][j],dps[i-1][j]);
            dps[i][j]=max(dps[i][j],unnow);
            if(i==n){
                mainres=max(mainres,dps[i][j]);
            }
        }
        unnow=0;
        for(int j=n;j>=0;j--){
            unnow=max(unnow,nau[i-1][j]);
            dps[i][j]=max(dps[i][j],unnow);
            dpn[i][j]=max(dpn[i][j],unnow);
        }
        unnow=0;
        for(int j=0;j<=n;j++){
            unnow=max(unnow+all[i-1][j],nau[i-1][j]);
            dps[i][j]=max(dps[i][j],unnow);
            dpn[i][j]=max(dpn[i][j],unnow);
        }
        unnow=0;
        for(int j=0;j<=n;j++){
            unnow+=all[i][j];
            nau[i][j]=max(dpn[i-1][j],dps[i-1][j])+unnow;
            if(i==n){
                mainres=max(mainres,nau[i][j]);
            }
        }
        for(int j=0;j<n;j++){
            if(all[i][j+1]==0){
                dpn[i][j]=dps[i][j]=-inf;
            }
        }
    }
    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++){
        sort(allc[i].begin(),allc[i].end());
    }
    return solve();
}
# Verdict Execution time Memory Grader output
1 Execution timed out 1041 ms 137668 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 3160 KB Output is correct
2 Execution timed out 1097 ms 147464 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1065 ms 120660 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3244 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 0 ms 3164 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 2 ms 13148 KB Output is correct
10 Correct 5 ms 21648 KB Output is correct
11 Correct 3 ms 13148 KB Output is correct
12 Correct 4 ms 21596 KB Output is correct
13 Correct 1 ms 8028 KB Output is correct
14 Correct 4 ms 21596 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3244 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 0 ms 3164 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 2 ms 13148 KB Output is correct
10 Correct 5 ms 21648 KB Output is correct
11 Correct 3 ms 13148 KB Output is correct
12 Correct 4 ms 21596 KB Output is correct
13 Correct 1 ms 8028 KB Output is correct
14 Correct 4 ms 21596 KB Output is correct
15 Correct 4 ms 21596 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 12 ms 23132 KB Output is correct
18 Correct 11 ms 23388 KB Output is correct
19 Correct 12 ms 23216 KB Output is correct
20 Correct 12 ms 23388 KB Output is correct
21 Correct 11 ms 23388 KB Output is correct
22 Correct 20 ms 24924 KB Output is correct
23 Correct 5 ms 21884 KB Output is correct
24 Correct 9 ms 22664 KB Output is correct
25 Correct 4 ms 21596 KB Output is correct
26 Correct 7 ms 21852 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3244 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 0 ms 3164 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 2 ms 13148 KB Output is correct
10 Correct 5 ms 21648 KB Output is correct
11 Correct 3 ms 13148 KB Output is correct
12 Correct 4 ms 21596 KB Output is correct
13 Correct 1 ms 8028 KB Output is correct
14 Correct 4 ms 21596 KB Output is correct
15 Correct 4 ms 21596 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 12 ms 23132 KB Output is correct
18 Correct 11 ms 23388 KB Output is correct
19 Correct 12 ms 23216 KB Output is correct
20 Correct 12 ms 23388 KB Output is correct
21 Correct 11 ms 23388 KB Output is correct
22 Correct 20 ms 24924 KB Output is correct
23 Correct 5 ms 21884 KB Output is correct
24 Correct 9 ms 22664 KB Output is correct
25 Correct 4 ms 21596 KB Output is correct
26 Correct 7 ms 21852 KB Output is correct
27 Correct 130 ms 286040 KB Output is correct
28 Correct 50 ms 61460 KB Output is correct
29 Correct 163 ms 277328 KB Output is correct
30 Correct 172 ms 296272 KB Output is correct
31 Correct 169 ms 296276 KB Output is correct
32 Correct 75 ms 51028 KB Output is correct
33 Correct 166 ms 296372 KB Output is correct
34 Correct 166 ms 296436 KB Output is correct
35 Correct 133 ms 290180 KB Output is correct
36 Correct 164 ms 255312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1065 ms 120660 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1041 ms 137668 KB Time limit exceeded
2 Halted 0 ms 0 KB -