oj.uz

Submission #742537

# Submission time Handle Problem Language Result Execution time Memory
742537 2023-05-16T12:34:37 Z Dan4Life Fancy Fence (CEOI20_fancyfence) C++17
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define sz(a) (int)a.size()
const int mxN = (int)1e5+10;
const int MOD = (int)1e9+7;

int Tw, Th;
int n, h[mxN], w[mxN];
vector<pair<int,int>> v;

int32_t main(){
	cin >> n; int ans = 0;
	for(int i = 1; i <= n; i++) cin >> h[i];
	for(int i = 1; i <= n; i++) cin >> w[i];
	for(int i = 1; i <= n; i++){
		int W = w[i]; Tw+=w[i], Th+=h[i];
		while(i<n and h[i]==h[i+1]) W+=w[++i];
		v.pb({h[i],W});
	}
	n = sz(v); ans+=Tw*(Tw+1)/2; ans%=MOD;
	for(auto [h,w] : v){
		//cout << h << " " << w << "\n";
 		if(h==1) continue;
		ans+=w*(w+1); ans%=MOD;
	}
	cout << ans;
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 340 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 212 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 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1 ms 328 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 212 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -