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Submission #532873

# Submission time Handle Problem Language Result Execution time Memory
532873 2022-03-04T06:58:45 Z PotheSloth Fancy Fence (CEOI20_fancyfence) C++17
0 / 100
 1 ms 328 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long

int n, w, h;
const int mod = (int)1e9+7;
int qexp(int a, int b) {
	a%=mod;
	int res=1;
	while(b){
		if(b&1)res = res*a%mod;
		a = a*a%mod;
		b>>=1;
	}
	return res;
}
int C(int n, int k) {
	int x = 1, y = 1;
	for(int i=0; i<k-1; ++i){
		y*=n-i;
		x*=k-i;
		y%=mod;
		x%=mod;
	}
	return (y*qexp(x,mod-2))% mod;
}
int tri(int intelligence, int yeet){
	return (intelligence*(intelligence-1))*(yeet*(yeet-1))/4%mod;
}
int32_t main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>n;
	for(int i=0; i<n; ++i){
		cin>>h;
	}
	for(int i=0; i<n; ++i){
		int l;
		cin>>l;
		w+=l;
	}
	cout<<tri(w, h);
	return 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 312 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 316 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 328 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 292 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 308 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 -