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Submission #973913

# Submission time Handle Problem Language Result Execution time Memory
973913 2024-05-02T12:49:01 Z jakobrs Spiral (BOI16_spiral) Python 3
100 / 100
 16 ms 3164 KB 
def E(p,n):return sum(v*n**i for i,v in enumerate(p)) 
def r(x,y):
 X=abs(x);Y=abs(y);n=min(X,Y);N=max(X,Y);L=X<Y;rp=[[[13,15,8],[19,-21,8]],[[19,21,8],[13,-15,8]]][L][[x,y][L]>=0];f=n-([y,x][L]>=0)
 return (E([[[-1,2,4,2],[0,4,0,2]],[[-4,10,0,2],[1,2,-4,2]]][x>=0][y>=0],n)+(N*E(rp,N)-n*E(rp,n))//6)*n+((N-n)*f*(f+1))//2*(-1 if(L!=(x >= 0))!=(y>=0)else 1)-8*y*(0<-y<x)
def R(p,q,X,Y):
 X+=1;Y+=1;x=[p,X];y=[q,Y];return sum(r(x[a],y[b])*(1 if(p*X>0 and(abs(X)<abs(p))==a)==(q*Y>0 and(abs(Y)<abs(q))==b)else -1) for a,b in[(0,0),(0,1),(1,0),(1,1)])%(10**9+7)
I=input
for i in range(int(I().split()[1])):
 print(R(*map(int,I().split())))

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 3164 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2908 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 3164 KB Output is correct
2 Correct 14 ms 3120 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2908 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 3164 KB Output is correct
2 Correct 15 ms 2908 KB Output is correct
3 Correct 14 ms 3120 KB Output is correct
4 Correct 14 ms 2908 KB Output is correct
5 Correct 14 ms 2908 KB Output is correct