oj.uz

Submission #968113

# Submission time Handle Problem Language Result Execution time Memory
968113 2024-04-23T07:44:45 Z PM1 Spiral (BOI16_spiral) C++17
0 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
#define  ll long long
const int mxn=1e9+5,M=1e9+7;
int n,q;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>q;
	while(q--){
		int x,y,xx,yy;
		cin>>y>>x>>yy>>xx;
		ll w=max(abs(x),abs(y));
		ll z=(w*2+1)%M,zz=(z*z)%M;
		if(-w==x){
			assert((zz-(w-y)+M*2)%M >=0);
			cout<<(zz-(w-y)+M*2)%M<<'\n';
			continue;
		}
		zz-=z-1;
		zz+=M;
		zz%=M;
		if(-w==y){
			assert((zz-(x+w-1)+M*2)%M >=0);
			cout<<(zz-(x+w-1)+M*2)%M<<'\n';
			continue;
		}
		zz-=z-1;
		zz+=M;
		zz%=M;
		if(x==w){
			assert((zz-(x+w-1)+M*2)%M >=0);
			cout<<(zz-(x+w-1)+M*2)%M<<'\n';
			continue;
		}
		zz-=z-1;
		zz+=M;
		zz%=M;
		assert((zz-(w-1-x)+M*2)%M >=0);
		cout<<(zz-(w-1-x)+M*2)%M<<'\n';

	}
	return 0;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -