oj.uz

Submission #917984

# Submission time Handle Problem Language Result Execution time Memory
917984 2024-01-29T09:21:56 Z irmuun Boat (APIO16_boat) C++17
31 / 100
 996 ms 524288 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

const ll mod=1e9+7;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n;
    cin>>n;
    ll a[n+5],b[n+5];
    ll ans=0;
    vector<ll>dp[n+5];
    for(ll i=1;i<=n;i++){
        cin>>a[i]>>b[i];
        dp[i].resize(b[i]-a[i]+2);
    }
    dp[0].pb(1);//first is 0,then ai, ... ,bi
    for(ll i=1;i<=n;i++){
        ll tot=1;
        dp[i][0]=1;
        ll c[n+5];
        for(ll j=1;j<=n;j++){
            c[j]=a[j];
        }
        for(ll j=a[i];j<=b[i];j++){
            for(ll k=1;k<i;k++){
                while(c[k]<j&&c[k]<=b[k]){
                    tot+=dp[k][c[k]-a[k]+1];
                    tot%=mod;
                    c[k]++;
                }
            }
            dp[i][j-a[i]+1]=tot;
            ans+=dp[i][j-a[i]+1];
            ans%=mod;
        }
    }
    cout<<ans<<"\n";
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 504 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 504 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 659 ms 7332 KB Output is correct
22 Correct 635 ms 7276 KB Output is correct
23 Correct 587 ms 6876 KB Output is correct
24 Correct 647 ms 7516 KB Output is correct
25 Correct 676 ms 7600 KB Output is correct
26 Correct 983 ms 8020 KB Output is correct
27 Correct 996 ms 8104 KB Output is correct
28 Correct 979 ms 8028 KB Output is correct
29 Correct 980 ms 8160 KB Output is correct
30 Correct 818 ms 8252 KB Output is correct
31 Correct 836 ms 8028 KB Output is correct
32 Correct 827 ms 8276 KB Output is correct
33 Correct 848 ms 8276 KB Output is correct
34 Correct 845 ms 8116 KB Output is correct
35 Correct 512 ms 7772 KB Output is correct
36 Correct 529 ms 8028 KB Output is correct
37 Correct 538 ms 8028 KB Output is correct
38 Correct 550 ms 8020 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Runtime error 165 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 504 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 659 ms 7332 KB Output is correct
22 Correct 635 ms 7276 KB Output is correct
23 Correct 587 ms 6876 KB Output is correct
24 Correct 647 ms 7516 KB Output is correct
25 Correct 676 ms 7600 KB Output is correct
26 Correct 983 ms 8020 KB Output is correct
27 Correct 996 ms 8104 KB Output is correct
28 Correct 979 ms 8028 KB Output is correct
29 Correct 980 ms 8160 KB Output is correct
30 Correct 818 ms 8252 KB Output is correct
31 Correct 836 ms 8028 KB Output is correct
32 Correct 827 ms 8276 KB Output is correct
33 Correct 848 ms 8276 KB Output is correct
34 Correct 845 ms 8116 KB Output is correct
35 Correct 512 ms 7772 KB Output is correct
36 Correct 529 ms 8028 KB Output is correct
37 Correct 538 ms 8028 KB Output is correct
38 Correct 550 ms 8020 KB Output is correct
39 Runtime error 165 ms 524288 KB Execution killed with signal 9
40 Halted 0 ms 0 KB -