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Submission #945284

# Submission time Handle Problem Language Result Execution time Memory
945284 2024-03-13T15:42:19 Z bngybongybrd Fancy Fence (CEOI20_fancyfence) C++17
15 / 100
 17 ms 1884 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

int n;
int w[100005];
int h[100005];
int ans = 0;
int width = 0;
int height;
int mod = 1000000000 + 7;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    // w(w+1)h(h+1)/4
    cin >> n;
    for(int i = 0; i < n; i++)cin >> h[i];
        for(int i = 0; i < n; i++){
        cin >> w[i];
        width += w[i];
        width %= mod;
    }
    if(width % 2 == 0){ // all rectangle for h=1
        ans += ((width+1)*(width/2))%mod;
        ans %= mod;
    } else {
        ans += ((width*(width-1)/2)+width)%mod;
        ans %= mod;
    }
    height = h[0]%mod;
    if(height % 2 == 0){ // all rectangle for h=1
        ans *= ((height+1)*(height/2))%mod;
        ans %= mod;
    } else {
        ans *= ((height*(height-1)/2)+height)%mod;
        ans %= mod;
    }
    cout << ans;


    // int temp = (width*(width+1)/2)%mod;
    // int ht = h[0]%mod;
    // int temp2 = ht*(ht+1)/2%mod;
    // ans = (temp*temp2)%mod;
    // cout << ans;
    return 0;
}

Subtask #1
0 / 0.0

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

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 8 ms 1116 KB Output is correct
4 Correct 16 ms 1812 KB Output is correct
5 Correct 17 ms 1884 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #5
0 / 15.0

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

Subtask #6
0 / 18.0

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

Subtask #7
0 / 27.0

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