oj.uz

Submission #473199

# Submission time Handle Problem Language Result Execution time Memory
473199 2021-09-15T10:06:22 Z MamdouhN San (COCI17_san) C++17
0 / 120
 40 ms 65540 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"

int n,k;
int towers[100],gold[100];
int dp[50][1000000];

int solve(int idx,int sum)
{
    //cout<<idx<<" "<<sum<<endl;
    if(idx==n)return 0;
    if(sum<1000000)if(dp[idx][sum]!=-1)return dp[idx][sum];
    sum+=gold[idx];
    int ret = 0;
    if(sum>=k)ret =  1;
    for(int i=idx+1;i<n;i++)
    {
        if(towers[i]>=towers[idx])ret+=solve(i,sum);
    }
    return dp[idx][sum] = ret;
}

main()
{
    memset(dp,-1,sizeof dp);
    cin>>n>>k;
    for(int i=0;i<n;i++)cin>>towers[i]>>gold[i];
    int ans = 0;
    for(int i=0;i<n;i++)ans+=solve(i,0);
    cout<<ans<<endl;
}

Compilation message

san.cpp:25:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   25 | main()
      | ^~~~

Subtask #1
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 34 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 40 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 39 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -