#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;
if(N<=1000 and false){
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";
}
}
else{
cin>>Q;
while(Q--){
cin>>a>>b>>a>>b;
if(a==0 and b==0){
cout<<"1\n";
continue;
}
c=max(abs(a),abs(b));
a+=N,b+=N;
ans=(2*c-1)%md;
ans=(ans*ans+1)%md;
if(a==N+c and b>=N-c+1 and b<N+c+1){
cout<<(ans+b-(N-c+1)+10*md)%md<<"\n";
continue;
}
else
ans=(ans+2*c)%md;
if(a<=N+c-1 and a>N-c-1 and b==N+c){
cout<<(ans+(N-c+1)-a+10*md)%md<<"\n";
continue;
}
else
ans=(ans+2*c)%md;
if(a==N-c and b<=N+c-1 and b>N-c-1){
cout<<(ans+(N+c-1)-b+10*md)%md<<"\n";
continue;
}
else
ans=(ans+2*c)%md;
if(a>=N-c+1 and a<N+c+1 and b==N-c){
cout<<(ans+a-(N-c+1)+10*md)%md<<"\n";
continue;
}
else
ans=(ans+2*c)%md;
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
372 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
448 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |