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Submission #444993

# Submission time Handle Problem Language Result Execution time Memory
444993 2021-07-16T07:53:19 Z fuad27 Fancy Fence (CEOI20_fancyfence) C++14
0 / 100
 1000 ms 204 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define mod 1000000007
int M(int a, int b) {
	a%=mod;
	b%=mod;
	int sum = 0;
	for(int i = 0;i<b;i++) {
		sum+=a;
		sum%=mod;
	}
	return sum;
}
int32_t main () {
	int n, m;
	cin >> n;
	int sumW = 0;
	for(int i = 0;i<n;i++) {
		int h;
		cin >> h;
		m = h;
		m%=mod;
	}
	for(int i = 0;i<n;i++) {
		int w;
		cin >> w;
		sumW += w%mod;
		sumW%=mod;
	}
	cout<<M(M(sumW%mod, (sumW+1)%mod), M(m%mod, (m+1)%mod))/4<<"\n";
}

Compilation message

fancyfence.cpp: In function 'int32_t main()':
fancyfence.cpp:31:48: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |  cout<<M(M(sumW%mod, (sumW+1)%mod), M(m%mod, (m+1)%mod))/4<<"\n";
      |                                              ~~^~~

Subtask #1
0 / 0.0

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

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 204 KB Time limit exceeded
2 Halted 0 ms 0 KB -

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 0 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 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -