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Submission #1002083

# Submission time Handle Problem Language Result Execution time Memory
1002083 2024-06-19T09:46:05 Z alecurse Fancy Fence (CEOI20_fancyfence) C++17
30 / 100
 57 ms 2904 KB 
#include <bits/stdc++.h>
#define ll long long int
using namespace std;
ll mod = 1e9+7;
int main() {
    ll N;
    cin>>N;
    vector<ll> h(N+1), w(N+1),dpf(N+1);
    ll res=0;
    for(ll i=1;i<=N;i++) {
        cin>>h[i];
    }
    for(ll i=1;i<=N;i++) {
        cin>>w[i];
    }
    for(ll i=1;i<=N;i++) {
        ll sum=h[i]*(h[i]+(ll)1)/(ll)2;
        ll sumw=w[i]*(w[i]+(ll)1)/(ll)2;
        sum%=mod;
        sumw%=mod;
        dpf[i]=(sum*w[i])%mod+dpf[i-1];
        dpf[i]%=mod;
        res+=(sum*sumw)%mod;
        res+=(dpf[i-1]*w[i])%mod;
        res%=mod;
    }
    cout<<res;
}

Subtask #1
0.0 / 0.0

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

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 428 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

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

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 5 ms 660 KB Output is correct
3 Correct 23 ms 1620 KB Output is correct
4 Correct 57 ms 2780 KB Output is correct
5 Correct 49 ms 2772 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 5 ms 604 KB Output is correct
4 Correct 24 ms 1372 KB Output is correct
5 Correct 48 ms 2648 KB Output is correct
6 Correct 49 ms 2904 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 5 ms 604 KB Output is correct
9 Correct 24 ms 1372 KB Output is correct
10 Correct 51 ms 2648 KB Output is correct
11 Correct 40 ms 2648 KB Output is correct
12 Correct 1 ms 348 KB Output is correct

Subtask #6
0 / 18.0

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

Subtask #7
0 / 27.0

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