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Submission #938545

# Submission time Handle Problem Language Result Execution time Memory
938545 2024-03-05T09:57:57 Z irmuun Catfish Farm (IOI22_fish) C++17
32 / 100
 75 ms 14032 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

ll max_weights(int n,int m,vector<int>x,vector<int>y,vector<int>w){
    int even=0,X=0,Y=0;
    for(int i=0;i<m;i++){
        X=max(X,x[i]);
        Y=max(Y,y[i]);
        if(x[i]%2==0) even++;
    }
    if(even==m){
        ll ans=0;
        for(int i=0;i<m;i++){
            ans+=w[i];
        }
        return ans;
    }
    if(X<=1){
        ll ans=0,cur=0;
        for(int i=0;i<m;i++){
            if(x[i]==0){
                ans+=w[i];
            }
            else{
                cur+=w[i];
            }
        }
        if(n==2) return max(ans,cur);
        ll sum[n][2];
        memset(sum,0,sizeof sum);
        for(int i=0;i<m;i++){
            sum[y[i]][x[i]]+=w[i];
        }
        for(int i=1;i<n;i++){
            sum[i][0]+=sum[i-1][0];
            sum[i][1]+=sum[i-1][1];
        }
        ans=max(ans,cur);
        for(int i=0;i<n;i++){
            ans=max(ans,sum[i][0]+sum[n-1][1]-sum[i][1]);
        }
        return ans;
    }
    if(Y==0){
        ll sum[n];
        fill(sum,sum+n,0);
        for(int i=0;i<m;i++){
            sum[x[i]]=w[i];
        }
        ll dp[n][2][2];
        dp[1][0][0]=0;
        dp[1][1][0]=sum[0];
        dp[1][0][1]=sum[1];
        dp[1][1][1]=0;
        for(ll i=2;i<n;i++){
            dp[i][1][1]=max(dp[i-1][1][0],dp[i-1][1][1]);
            dp[i][1][0]=max(dp[i-1][0][1],dp[i-1][0][0]+sum[i-1]);
            dp[i][0][1]=max(dp[i-1][1][0],dp[i-1][1][1])+sum[i];
            dp[i][0][0]=max(dp[i-1][0][1],dp[i-1][0][0]);
        }
        return max({dp[n-1][0][0],dp[n-1][0][1],dp[n-1][1][0],dp[n-1][1][1]});
    }
    if(n<=300&&Y<=8){
        ll dp[n][9][9];
        memset(dp,0,sizeof dp);
        ll sum[n][9];
        memset(sum,0,sizeof sum);
        for(ll i=0;i<m;i++){
            sum[x[i]][y[i]]=w[i];
        }
        for(int i=0;i<9;i++){
            for(int j=0;j<9;j++){
                if(i<=j){
                    for(int k=i;k<j;k++){
                        dp[1][i][j]+=sum[0][k];
                    }
                }
                else{
                    for(int k=j;k<i;k++){
                        dp[1][i][j]+=sum[1][k];
                    }
                }
            }
        }
        for(int col=2;col<n;col++){
            for(int i=0;i<9;i++){
                for(int j=0;j<9;j++){
                    for(int k=0;k<9;k++){
                        ll tot=0;
                        if(j<k){
                            if(i<k){
                                for(int r=max(i,j);r<k;r++){
                                    tot+=sum[col-1][r];
                                }
                            }
                        }
                        else{
                            for(int r=k;r<j;r++){
                                tot+=sum[col][r];
                            }
                        }
                        dp[col][j][k]=max(dp[col][j][k],dp[col-1][i][j]+tot);
                    }
                }
            }
        }
        ll ans=0;
        for(int i=0;i<9;i++){
            for(int j=0;j<9;j++){
                ans=max(ans,dp[n-1][i][j]);
            }
        }
        return ans;
    }
    return 0ll;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 3676 KB Output is correct
2 Correct 22 ms 4392 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 73 ms 13800 KB Output is correct
6 Correct 75 ms 14032 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 39 ms 8216 KB Output is correct
3 Correct 47 ms 10148 KB Output is correct
4 Correct 18 ms 3672 KB Output is correct
5 Correct 23 ms 4436 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 19 ms 5096 KB Output is correct
13 Correct 23 ms 5852 KB Output is correct
14 Correct 20 ms 4952 KB Output is correct
15 Correct 22 ms 5724 KB Output is correct
16 Correct 25 ms 4944 KB Output is correct
17 Correct 29 ms 5716 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 14 ms 5980 KB Output is correct
4 Correct 11 ms 5724 KB Output is correct
5 Correct 28 ms 8284 KB Output is correct
6 Correct 21 ms 7512 KB Output is correct
7 Correct 25 ms 8020 KB Output is correct
8 Correct 25 ms 8128 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 2 ms 500 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 2 ms 684 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 2 ms 604 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 2 ms 500 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 2 ms 684 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '299', found: '0'
16 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 2 ms 500 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 2 ms 684 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '299', found: '0'
16 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 3 ms 4188 KB Output is correct
3 Correct 14 ms 5980 KB Output is correct
4 Correct 11 ms 5724 KB Output is correct
5 Correct 28 ms 8284 KB Output is correct
6 Correct 21 ms 7512 KB Output is correct
7 Correct 25 ms 8020 KB Output is correct
8 Correct 25 ms 8128 KB Output is correct
9 Incorrect 20 ms 4036 KB 1st lines differ - on the 1st token, expected: '99999', found: '0'
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 3676 KB Output is correct
2 Correct 22 ms 4392 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 73 ms 13800 KB Output is correct
6 Correct 75 ms 14032 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 39 ms 8216 KB Output is correct
9 Correct 47 ms 10148 KB Output is correct
10 Correct 18 ms 3672 KB Output is correct
11 Correct 23 ms 4436 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 19 ms 5096 KB Output is correct
19 Correct 23 ms 5852 KB Output is correct
20 Correct 20 ms 4952 KB Output is correct
21 Correct 22 ms 5724 KB Output is correct
22 Correct 25 ms 4944 KB Output is correct
23 Correct 29 ms 5716 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 3 ms 4188 KB Output is correct
26 Correct 14 ms 5980 KB Output is correct
27 Correct 11 ms 5724 KB Output is correct
28 Correct 28 ms 8284 KB Output is correct
29 Correct 21 ms 7512 KB Output is correct
30 Correct 25 ms 8020 KB Output is correct
31 Correct 25 ms 8128 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 2 ms 500 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 2 ms 684 KB Output is correct
44 Correct 1 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '299', found: '0'
47 Halted 0 ms 0 KB -