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Submission #445021

# Submission time Handle Problem Language Result Execution time Memory
445021 2021-07-16T09:12:01 Z fuad27 Fancy Fence (CEOI20_fancyfence) C++14
15 / 100
 92 ms 1424 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define mod 1000000007
#define int long long
long long bin(long long x){
	x %= mod;
    return ((x*(x+1))/2)%mod;
}
long long rec(long long x, long long y){
    return (bin(x)*bin(y))%mod;
}
int32_t main () {
	int n;
	cin >> n;
	ll ans = 0;
	vector<int> h;
	for(int i = 0;i<n;i++) {
		int hi;
		cin >> hi;
		h.push_back(hi);
	}
	ll sum = 0;
	for(int i = 0;i<n;i++) {
		ll w;
	 	cin >> w;
		sum+=w;
	}
	cout<<rec(sum, h[0]);
}

Compilation message

fancyfence.cpp: In function 'int32_t main()':
fancyfence.cpp:16:5: warning: unused variable 'ans' [-Wunused-variable]
   16 |  ll ans = 0;
      |     ^~~

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 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 204 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 204 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 204 KB Output is correct
2 Correct 10 ms 460 KB Output is correct
3 Correct 45 ms 856 KB Output is correct
4 Correct 90 ms 1424 KB Output is correct
5 Correct 92 ms 1360 KB Output is correct
6 Correct 0 ms 204 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -