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Submission #963043

# Submission time Handle Problem Language Result Execution time Memory
963043 2024-04-14T11:56:32 Z anton Fancy Fence (CEOI20_fancyfence) C++17
30 / 100
 18 ms 3816 KB 
#include<bits/stdc++.h>

using namespace std;
#define int long long
#define pii pair<int,int>

const int MAX_N = 1e5+1;
const int mod =1e9+7;

int h[MAX_N];
int w[MAX_N];

int nbp(int u){
    return (u*(u+1LL)/2LL)%mod;
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n; 
    cin>>n;
    int sw = 0;
    vector<pair<int, int>> ev;
    for(int i = 0; i<n; i++){
        cin>>h[i];
    }
    for(int i = 0; i<n; i++){
        cin>>w[i];
        sw = (sw+w[i])%mod;
    }
    int res= 0;
    for(int i = 0; i<n; i++){
        sw =(sw -w[i] +mod)%mod;
        res= (res + (nbp(h[i])* ((w[i]* sw)%mod  + nbp(w[i]))%mod)%mod)%mod;
    }

    cout<<res<<endl;
}

Subtask #1
0.0 / 0.0

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

Subtask #2
0 / 12.0

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

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 1 ms 480 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 2 ms 604 KB Output is correct
3 Correct 9 ms 1116 KB Output is correct
4 Correct 17 ms 1884 KB Output is correct
5 Correct 17 ms 1792 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 0 ms 348 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 8 ms 1056 KB Output is correct
5 Correct 18 ms 3816 KB Output is correct
6 Correct 18 ms 3812 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 9 ms 2140 KB Output is correct
10 Correct 16 ms 3676 KB Output is correct
11 Correct 18 ms 3756 KB Output is correct
12 Correct 0 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 1 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -