oj.uz

Submission #987218

# Submission time Handle Problem Language Result Execution time Memory
987218 2024-05-22T10:57:49 Z alexdd Uplifting Excursion (BOI22_vault) C++17
0 / 100
 5 ms 1628 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e18;
const int MAXV = 46000;
int m,L;
int a[700];
int dp[700][2*MAXV+5];
signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>m>>L;
    for(int i=-m*m;i<=m*m;i++)
        dp[0][MAXV+i]=-INF;
    dp[0][MAXV+0]=0;
    for(int i=-m;i<=m;i++)
    {
        cin>>a[m+i+1];
        for(int sum=-m*m;sum<=m*m;sum++)
        {
            dp[m+i+1][MAXV+sum] = dp[m+i][MAXV+sum];
            for(int cnt=1;cnt<=a[m+i+1];cnt++)
            {
                if(abs(sum - cnt*i) > m*m)
                    break;
                if(dp[m+i][MAXV+sum-cnt*i] > -INF) dp[m+i+1][MAXV+sum] = max(dp[m+i+1][MAXV+sum], dp[m+i][MAXV+sum-cnt*i] + cnt);
            }
        }
    }
    int rez=-INF;
    if(abs(L)<=abs(m*m))
    {
        rez = dp[2*m+1][MAXV+L];
    }
    else
    {
        for(int d=1;d<=m;d++)
        {
            int r = L%d;
            for(int cnt=0;r+cnt*d<=m*m;cnt++)
            {
                rez = max(rez, dp[2*m+1][MAXV+r+cnt*d] + L/d - cnt);
            }
        }
    }
    if(rez==-INF)
        cout<<"impossible";
    else
        cout<<rez;
    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 5 ms 1628 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 5 ms 1628 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 5 ms 1628 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 5 ms 1628 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 5 ms 1628 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -