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Submission #580185

# Submission time Handle Problem Language Result Execution time Memory
580185 2022-06-20T17:14:52 Z MODDI Fancy Fence (CEOI20_fancyfence) C++14
0 / 100
 1 ms 212 KB 
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define mp make_pair
#define pb push_back
using namespace std;
const int MOD = 1e9 + 7;
int main(){
	int n;
	cin>>n;
	vl visina, sirina;
	for(int i = 0; i < n; i++){
		ll a;
		cin>>a;
		visina.pb(a);
	}
	for(int i = 0; i < n; i++){
		ll a;
		cin>>a;
		sirina.pb(a);
	}
	ll rez = 0, cur = 0, sum = 0;
	for(int i = 0; i < n; i++){
		if(visina[i] == 1){
			if(cur > 0){
				cur%=MOD;
				rez += (cur * (cur + 1)) / 2;
				rez %= MOD;
				cur = 0;
			}
		}
		else{
			cur+=sirina[i];
			sum += sirina[i];
			sum %= MOD;
			cur%=MOD;
		}
	}
	sum %= MOD;
	rez += (sum *(sum + 1)) /2;
	rez %= MOD;
	cout<<rez<<endl;
}

Subtask #1
0 / 0.0

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

Subtask #3
0 / 13.0

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