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Submission #1109027

# Submission time Handle Problem Language Result Execution time Memory
1109027 2024-11-05T19:40:30 Z Ak_16 Fancy Fence (CEOI20_fancyfence) C++17
30 / 100
 1000 ms 4432 KB 
#include <iostream>
using namespace std;
#define int long long

signed main() 
{
    int n; int h[200005]; int w[200005];
    cin>>n;
    for(int i=1; i<=n; i++){cin>>h[i];}
    for(int i=1; i<=n; i++){cin>>w[i];}
    
    int ans=0; int p=1e9+7;
    for(int i=1; i<=n; i++){
      ans += (w[i] * (w[i]+1) / 2 % p) % p * (h[i] * (h[i]+1) / 2 % p) % p; ans %= p; 
    }
    for(int i=1; i<n; i++){
      int mn=h[i];
      for(int j=i+1; j<=n; j++){
        mn=min(mn, h[j]);
        ans += w[i] * w[j] % p * (mn * (mn+1) / 2 % p) % p; ans %= p;
      }
    }
    cout<<ans;
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3408 KB Output is correct
2 Correct 9 ms 3408 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3408 KB Output is correct
2 Correct 3 ms 3364 KB Output is correct
3 Correct 3 ms 3408 KB Output is correct
4 Correct 3 ms 3408 KB Output is correct
5 Correct 4 ms 3408 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3408 KB Output is correct
2 Correct 7 ms 3408 KB Output is correct
3 Execution timed out 1092 ms 3920 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 3408 KB Output is correct
2 Correct 336 ms 3836 KB Output is correct
3 Execution timed out 1055 ms 4432 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3408 KB Output is correct
2 Correct 7 ms 3572 KB Output is correct
3 Correct 338 ms 3740 KB Output is correct
4 Execution timed out 1061 ms 4432 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3408 KB Output is correct
2 Correct 7 ms 3524 KB Output is correct
3 Correct 3 ms 3576 KB Output is correct
4 Correct 3 ms 3508 KB Output is correct
5 Correct 5 ms 3408 KB Output is correct
6 Correct 4 ms 3408 KB Output is correct
7 Correct 3 ms 3408 KB Output is correct
8 Correct 7 ms 3408 KB Output is correct
9 Correct 7 ms 3408 KB Output is correct
10 Correct 7 ms 3408 KB Output is correct
11 Correct 3 ms 3408 KB Output is correct
12 Correct 4 ms 3336 KB Output is correct
13 Correct 7 ms 3408 KB Output is correct
14 Correct 8 ms 3584 KB Output is correct
15 Correct 9 ms 3408 KB Output is correct
16 Correct 3 ms 3408 KB Output is correct

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3408 KB Output is correct
2 Correct 9 ms 3408 KB Output is correct
3 Correct 4 ms 3408 KB Output is correct
4 Correct 7 ms 3408 KB Output is correct
5 Correct 4 ms 3408 KB Output is correct
6 Correct 4 ms 3564 KB Output is correct
7 Correct 3 ms 3408 KB Output is correct
8 Correct 3 ms 3408 KB Output is correct
9 Correct 4 ms 3408 KB Output is correct
10 Correct 7 ms 3408 KB Output is correct
11 Execution timed out 1094 ms 3920 KB Time limit exceeded
12 Halted 0 ms 0 KB -