oj.uz

Submission #978535

# Submission time Handle Problem Language Result Execution time Memory
978535 2024-05-09T10:09:04 Z IUA_Hasin Boat (APIO16_boat) C++17
0 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>

#define endl                                "\n"
#define ll                                  long long

using namespace std;

const ll mod = 1e9+7;

int main(){
    ll n;
    cin>>n;
    ll arr[n];
    ll brr[n];
    for(int i=0; i<n; i++){
        cin>>arr[i];
        cin>>brr[i];
    }

    ll dp[n];
    dp[n-1] = 1;

    for(int i=n-2; i>=0; i--){
        ll a = arr[i];
        // cout << a << " " << 25 << endl;
        ll sum = 0;
        for(int j=i+1; j<n; j++){
            if(arr[j]>a){
                sum = sum+dp[j];
                // cout << arr[j] << " " << 30 << endl;
            }
        }
        dp[i] = sum+1;
    }

    ll ans = 0;

    for(int i=0; i<n; i++){
        // cout << dp[i] << " ";
        ans = (ans+dp[i])%mod;
    }
    // cout<<endl;

    cout << ans%mod << endl;



    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Incorrect 1 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Incorrect 1 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Incorrect 1 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -