| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 20035 |
2016-02-25T08:46:45 Z |
ainta |
로봇 (kriii4_F) |
C++ |
|
617 ms |
1084 KB |
#include<stdio.h>
long long L,M,R, Res, Mod = 1000000007;
int n, dx[4]={1,0,-1,0},dy[4]={0,-1,0,1};
long long Pow(long long a, long long b){
long long r = 1;
while(b){
if(b%2)r=r*a%Mod;
a=a*a%Mod;b/=2;
}
return r;
}
void Do(int pv, int x, int y, int dir, long long g){
if(pv==n){
Res = (Res+(x*x+y*y)*g)%Mod;
return;
}
Do(pv+1,x+dx[dir],y+dy[dir],dir,g*M%Mod);
Do(pv+1,x+dx[(dir+3)%4],y+dy[(dir+3)%4],(dir+3)%4,g*L%Mod);
Do(pv+1,x+dx[(dir+1)%4],y+dy[(dir+1)%4],(dir+1)%4,g*R%Mod);
}
int main(){
scanf("%d%lld%lld%lld",&n,&L,&M,&R);
if(n>15)return 0;
Do(0,0,0,0,1);
printf("%lld\n",Res*Pow(Pow((L+M+R)%Mod,Mod-2),n)%Mod);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
1084 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 4 |
Correct |
22 ms |
1084 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 7 |
Correct |
23 ms |
1084 KB |
Output is correct |
| 8 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 10 |
Correct |
67 ms |
1084 KB |
Output is correct |
| 11 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 12 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 13 |
Correct |
22 ms |
1084 KB |
Output is correct |
| 14 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 16 |
Correct |
22 ms |
1084 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 18 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 19 |
Correct |
3 ms |
1084 KB |
Output is correct |
| 20 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 21 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 22 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 23 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 24 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 25 |
Correct |
7 ms |
1084 KB |
Output is correct |
| 26 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 27 |
Correct |
0 ms |
1084 KB |
Output is correct |
| 28 |
Correct |
5 ms |
1084 KB |
Output is correct |
| 29 |
Correct |
207 ms |
1084 KB |
Output is correct |
| 30 |
Correct |
617 ms |
1084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
1080 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
