oj.uz

Submission #938188

# Submission time Handle Problem Language Result Execution time Memory
938188 2024-03-05T01:55:55 Z irmuun Catfish Farm (IOI22_fish) C++17
9 / 100
 71 ms 7288 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][0][1]=sum[0];
        dp[1][1][0]=sum[1];
        dp[1][1][1]=0;
        for(int 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]});
    }
    return 0ll;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2136 KB Output is correct
2 Correct 21 ms 2648 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 71 ms 7288 KB Output is correct
6 Correct 69 ms 7276 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 38 ms 5456 KB Output is correct
3 Correct 48 ms 6528 KB Output is correct
4 Correct 19 ms 2140 KB Output is correct
5 Correct 22 ms 2644 KB Output is correct
6 Correct 0 ms 388 KB Output is correct
7 Correct 0 ms 344 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 1 ms 348 KB Output is correct
12 Correct 19 ms 3716 KB Output is correct
13 Correct 24 ms 4176 KB Output is correct
14 Correct 20 ms 3704 KB Output is correct
15 Correct 22 ms 4068 KB Output is correct
16 Correct 20 ms 3676 KB Output is correct
17 Correct 22 ms 4064 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Incorrect 14 ms 5212 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '21261930173730'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 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 2 ms 4188 KB Output is correct
3 Incorrect 14 ms 5212 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '21261930173730'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2136 KB Output is correct
2 Correct 21 ms 2648 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 71 ms 7288 KB Output is correct
6 Correct 69 ms 7276 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 38 ms 5456 KB Output is correct
9 Correct 48 ms 6528 KB Output is correct
10 Correct 19 ms 2140 KB Output is correct
11 Correct 22 ms 2644 KB Output is correct
12 Correct 0 ms 388 KB Output is correct
13 Correct 0 ms 344 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 1 ms 348 KB Output is correct
18 Correct 19 ms 3716 KB Output is correct
19 Correct 24 ms 4176 KB Output is correct
20 Correct 20 ms 3704 KB Output is correct
21 Correct 22 ms 4068 KB Output is correct
22 Correct 20 ms 3676 KB Output is correct
23 Correct 22 ms 4064 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 4188 KB Output is correct
26 Incorrect 14 ms 5212 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '21261930173730'
27 Halted 0 ms 0 KB -