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Submission #1075621

# Submission time Handle Problem Language Result Execution time Memory
1075621 2024-08-26T08:01:52 Z Muhammad_Aneeq Catfish Farm (IOI22_fish) C++17
18 / 100
 61 ms 14048 KB 
#include <vector>
using namespace std;
long long max_weights(int N, int M, vector<int> X, vector<int> Y,vector<int> W)
{
    bool subt1=1,subt2=1,subt3=1,subt4=(N<=300);
    for (int i=0;i<M;i++)
    {
        if (X[i]%2)
            subt1=0;
        if (X[i]>1)
            subt2=0;
        if (Y[i]!=0)
            subt3=0;
        if (Y[i]>8)
            subt4=0;
    }
    if (subt1)
    {
        long long sm=0;
        for (int i=0;i<M;i++)
            sm+=W[i];
        return sm;
    }
    if (subt2)
    {
        long long sm[N]={};
        long long val[N][2]={};
        for (int i=0;i<M;i++)
            val[Y[i]][X[i]]=W[i];
        sm[0]=val[0][1];
        for (int i=1;i<N;i++)
            sm[i]=sm[i-1]+val[i][1];
        long long ans=sm[N-1];
        long long x=0;
        for (int i=0;i<N;i++)
        {
            x+=val[i][0];
            if (N>2)
                ans=max(ans,x+sm[N-1]-sm[i]);
        }
        ans=max(ans,x);
        return ans;
    }
    if (subt3)
    {
        long long dp[N][2]={};
        int val[N]={};
        for (int i=0;i<M;i++)
            val[X[i]]=W[i];
        dp[0][0]=0,dp[0][1]=val[0];
        long long ans=0;
        long long mx=0;
        for (int i=1;i<N;i++)
        {
            if (i>1)
                dp[i][0]=mx+val[i];
            if (i<N-1)
                dp[i][1]=max(dp[i][0],dp[i-1][0]+val[i]);
            mx=max(mx,max(dp[i-1][0],dp[i-1][1]));
            ans=max(ans,max(dp[i][0],dp[i][1]));
        }
        return ans;
    }
    if (subt4)
    {
        vector<vector<vector<long long>>>dp(2,vector<vector<long long>>(N,vector<long long>(9,0)));
        long long val[N][9]={};
        for (int i=0;i<M;i++)
            val[X[i]][Y[i]]=W[i];
        int pre[N][9]={};
        for (int i=0;i<N;i++)
        {
            pre[i][0]=val[i][0];
            for (int j=1;j<9;j++)
                pre[i][j]=pre[i][j-1]+val[i][j];
        }
        long long mx[N]={};
        long long ans=0;
        for (int i=0;i<9;i++)
            dp[1][0][i]=pre[0][i];
        for (int i=0;i<9;i++)
            dp[0][1][i]=pre[1][i];
        mx[0]=pre[0][8];
        for (int i=1;i<N;i++)
        {
            for (int j=0;j<9;j++)
            {
                if (i>1)
                {
                    dp[0][i][j]=mx[i-2]+pre[i][j];
                }
                if (i>2)
                    dp[0][i][j]=max(dp[0][i][j],mx[i-3]+pre[i][j]+pre[i-1][8]-pre[i-1][j]);
                if (i+1<N)
                    dp[1][i][j]=max(dp[0][i][j],dp[0][i-1][8]+pre[i][j]);
            }
            mx[i]=max(mx[i-1],max(dp[0][i][8],dp[1][i][8]));
        }
        for (int i=0;i<N;i++)
            for (int j=0;j<9;j++)
                ans=max(ans,max(dp[0][i][j],dp[1][i][j]));
        return ans;
    }
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 3532 KB Output is correct
2 Correct 22 ms 4408 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 61 ms 13788 KB Output is correct
6 Correct 58 ms 14048 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 40 ms 8980 KB Output is correct
3 Correct 43 ms 10832 KB Output is correct
4 Correct 15 ms 3668 KB Output is correct
5 Correct 22 ms 4280 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 428 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 18 ms 5716 KB Output is correct
13 Correct 20 ms 6704 KB Output is correct
14 Correct 18 ms 5712 KB Output is correct
15 Correct 20 ms 6236 KB Output is correct
16 Correct 18 ms 5860 KB Output is correct
17 Correct 20 ms 6336 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2140 KB Output is correct
3 Correct 10 ms 4188 KB Output is correct
4 Correct 8 ms 3928 KB Output is correct
5 Correct 24 ms 6324 KB Output is correct
6 Correct 15 ms 5460 KB Output is correct
7 Correct 17 ms 6232 KB Output is correct
8 Correct 19 ms 6232 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2140 KB Output is correct
3 Correct 10 ms 4188 KB Output is correct
4 Correct 8 ms 3928 KB Output is correct
5 Correct 24 ms 6324 KB Output is correct
6 Correct 15 ms 5460 KB Output is correct
7 Correct 17 ms 6232 KB Output is correct
8 Correct 19 ms 6232 KB Output is correct
9 Incorrect 15 ms 3900 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 16 ms 3532 KB Output is correct
2 Correct 22 ms 4408 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 61 ms 13788 KB Output is correct
6 Correct 58 ms 14048 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 40 ms 8980 KB Output is correct
9 Correct 43 ms 10832 KB Output is correct
10 Correct 15 ms 3668 KB Output is correct
11 Correct 22 ms 4280 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 428 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 18 ms 5716 KB Output is correct
19 Correct 20 ms 6704 KB Output is correct
20 Correct 18 ms 5712 KB Output is correct
21 Correct 20 ms 6236 KB Output is correct
22 Correct 18 ms 5860 KB Output is correct
23 Correct 20 ms 6336 KB Output is correct
24 Correct 0 ms 600 KB Output is correct
25 Correct 1 ms 2140 KB Output is correct
26 Correct 10 ms 4188 KB Output is correct
27 Correct 8 ms 3928 KB Output is correct
28 Correct 24 ms 6324 KB Output is correct
29 Correct 15 ms 5460 KB Output is correct
30 Correct 17 ms 6232 KB Output is correct
31 Correct 19 ms 6232 KB Output is correct
32 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
33 Halted 0 ms 0 KB -