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Submission #68930

# Submission time Handle Problem Language Result Execution time Memory
68930 2018-08-19T09:29:54 Z alenam0161 Spiral (BOI16_spiral) C++17
15 / 100
 4 ms 488 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const long long mod = 1e9+7;
const int N = 5007;

int main()
{
	int n,q;
	cin>>n>>q;
	for(int i=1;i<=q;++i){
		long long x,y;
		cin>>x>>y>>x>>y;
		long long r=max(abs(x),abs(y));
		long long h=r+r+1;
		h%=mod;
		long long sz=h*h;
		sz%=mod;
		if(y==-r){
			cout<<(sz-(r-x)+mod+mod)%mod<<endl;
		}
		else{
			sz-=r;
			sz-=r;
			sz+=mod;
			sz+=mod;
			sz%=mod;
			if(x==-r){
				cout<<(sz-(y+r)+mod+mod)%mod<<endl;
			}
			else{
				sz-=r;
				sz-=r;
				sz+=mod;
				sz+=mod;
				sz%=mod;
				if(y==r){
					cout<<(sz-(x+r)+mod+mod)%mod<<endl;
				}
				else{
					sz-=r;
					sz-=r;
					sz+=mod;
					sz+=mod;
					sz%=mod;
					cout<<(sz-(r-y)+mod+mod)%mod<<endl;
				}
			}
		}
	}
    return 0;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 376 KB Output isn't correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 488 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 376 KB Output isn't correct

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 488 KB Output isn't correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 376 KB Output isn't correct