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Submission #473215

# Submission time Handle Problem Language Result Execution time Memory
473215 2021-09-15T10:27:22 Z Ahmed_Solyman San (COCI17_san) C++14
24 / 120
 1 ms 204 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

ll n,k;
ll dp[45][45];
vector<ll>a(45),b(45);

ll solve(ll i,ll prev,ll sum){
    if(i==n)return 0;
    ll &ret=dp[i][prev];
    if(~ret)return ret;
    ll Take=0;
    ll notTake=solve(i+1,prev,sum);
    if(a[i]>=a[prev]){
        Take=solve(i+1,i,sum+b[i])+(sum+b[i]>=k);
    }
    return ret=Take+notTake;
}
int main()
{
    memset(dp,-1,sizeof(dp));
    cin>>n>>k;
    for(ll i=0;i<n;i++)cin>>a[i]>>b[i];
    cout<<solve(0,44,0)<<endl;
    return 0;
}

Subtask #1
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB Output isn't correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -