#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
using namespace std;
#define REP(a,b,c) for(int a=b;a<c;a++)
#define F first
#define S second
#define PB push_back
#define LSOne(s) ((s)&(-s))
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef vector<vii> viii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
vii a;
int k=0;
int p=log2(1000000000);
vector<vector<pii>> arr;
int solve(int x,int y){
int t=0;
while(y){
int z=LSOne(y);
pi tmp=arr[x][log2(z)+1][t];
x=tmp.F;
if(tmp.S==a[x][0])t=1;
else t=0;
y-=z;
}
return x;
}
void count_routes(int n, int m, int P, int R[][2], int Q, int G[])
{
a.resize(n);
REP(i,0,m){
int x=R[i][0];
int y=R[i][1];
a[x].PB(y);
a[y].PB(x);
}
arr.resize(n,vector<pii>(p+1,pii(2)));
REP(i,0,n){
arr[i][1][0]={a[i][0],i};
if(a[i].size()==1)arr[i][1][1]={a[i][0],i};
else arr[i][1][1]={a[i][1],i};
}
//1 - came from larger
REP(j,2,p+1)REP(i,0,n){
pi x=arr[i][j-1][0];
pi y=arr[i][j-1][1];
if(x.S==a[x.F][0])arr[i][j][0]=arr[x.F][j-1][1];
else arr[i][j][0]=arr[x.F][j-1][0];
if(y.S==a[y.F][0])arr[i][j][1]=arr[y.F][j-1][1];
else arr[i][j][1]=arr[y.F][j-1][0];
}
int ans=0;
REP(i,0,n)if(solve(i,G[0])==P)ans++;
answer(ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1628 KB |
Output is correct |
2 |
Correct |
3 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2140 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
4 ms |
2140 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
2136 KB |
Output is correct |
9 |
Correct |
6 ms |
2140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1628 KB |
Output is correct |
2 |
Correct |
3 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2140 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
4 ms |
2140 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
2136 KB |
Output is correct |
9 |
Correct |
6 ms |
2140 KB |
Output is correct |
10 |
Correct |
0 ms |
604 KB |
Output is correct |
11 |
Correct |
62 ms |
39496 KB |
Output is correct |
12 |
Correct |
153 ms |
66312 KB |
Output is correct |
13 |
Runtime error |
2588 ms |
262144 KB |
Execution killed with signal 9 |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1628 KB |
Output is correct |
2 |
Correct |
3 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2140 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
4 ms |
2140 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
2136 KB |
Output is correct |
9 |
Correct |
6 ms |
2140 KB |
Output is correct |
10 |
Correct |
0 ms |
604 KB |
Output is correct |
11 |
Correct |
62 ms |
39496 KB |
Output is correct |
12 |
Correct |
153 ms |
66312 KB |
Output is correct |
13 |
Runtime error |
2588 ms |
262144 KB |
Execution killed with signal 9 |
14 |
Halted |
0 ms |
0 KB |
- |