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Submission #83040

# Submission time Handle Problem Language Result Execution time Memory
83040 2018-11-04T10:46:32 Z FedericoS Spiral (BOI16_spiral) C++14
12 / 100
 168 ms 63120 KB 
#include <iostream>
using namespace std;
typedef long long int ll;

ll md=1e9+7;
ll N,Q;
ll A[2005][2005];
ll B[2005][2005];
ll C[2005][2005];
ll K=2;
ll a,b,c,d;
ll ans;

int main(){

	cin>>N;
	A[N][N]=1;

	for(ll i=1;i<N+1;i++){
		for(ll x=N+i,y=N-i+1;y<N+i+1;y++)
			A[x][y]=K++;
		for(ll x=N+i-1,y=N+i;x>N-i-1;x--)
			A[x][y]=K++;
		for(ll x=N-i,y=N+i-1;y>N-i-1;y--)
			A[x][y]=K++;
		for(ll x=N-i+1,y=N-i;x<N+i+1;x++)
			A[x][y]=K++;
			
	}

	for(ll i=1;i<2*N+2;i++)
		for(ll j=1;j<2*N+2;j++)
			B[i][j]=(B[i-1][j]+B[i][j-1]-B[i-1][j-1]+A[i-1][j-1]+10*md)%md;

	cin>>Q;
	while(Q--){
		cin>>a>>b>>c>>d;
		a+=N+1,b+=N+1,c+=N+1,d+=N+1;
		ans=(B[c][d]-B[c][b-1]-B[a-1][d]+B[a-1][b-1]+10*md)%md;
		cout<<ans<<"\n";
	}


}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 63120 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 63120 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 63120 KB Output is correct
2 Runtime error 5 ms 63120 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 63120 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 63120 KB Output is correct
2 Runtime error 5 ms 63120 KB Execution killed with signal 11 (could be triggered by violating memory limits)