#include "garden.h"
#include "gardenlib.h"
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <string>
#include <iostream>
#include <cmath>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<int, int> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define nl endl
#define S second
#define lb lower_bound
#define ub upper_bound
#define aint(x) x.begin(), x.end()
#define raint(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;
vector<vpi> paths(150002,vpi());
int P;
int ans = 0;
int final_val = 0;
void dfs(int pos,int prev,int dis){
if(dis>final_val)return;
if(dis == final_val){
if(pos == P)ans += 1;
return;
}
if(paths[pos][0].S != prev || paths[pos].size() == 1){
dfs(paths[pos][0].S,pos,dis+1);
return;
}
dfs(paths[pos][1].S,pos,dis+1);
}
void count_routes(int N, int M, int P_, int R[][2], int Q, int G[])
{
P = P_;
FOR(i,0,M){
paths[R[i][0]].pb({i,R[i][1]});
paths[R[i][1]].pb({i,R[i][0]});
}
FOR(i,0,N){
sort(paths[i].begin(),paths[i].end());
}
final_val = G[0];
FOR(i,0,N){
dfs(i,-1,0);
}
answer(ans);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
3932 KB |
Output is correct |
2 |
Correct |
2 ms |
3932 KB |
Output is correct |
3 |
Correct |
2 ms |
3932 KB |
Output is correct |
4 |
Correct |
2 ms |
3932 KB |
Output is correct |
5 |
Correct |
2 ms |
3932 KB |
Output is correct |
6 |
Correct |
3 ms |
3932 KB |
Output is correct |
7 |
Correct |
3 ms |
3932 KB |
Output is correct |
8 |
Correct |
2 ms |
3932 KB |
Output is correct |
9 |
Correct |
4 ms |
4320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
3932 KB |
Output is correct |
2 |
Correct |
2 ms |
3932 KB |
Output is correct |
3 |
Correct |
2 ms |
3932 KB |
Output is correct |
4 |
Correct |
2 ms |
3932 KB |
Output is correct |
5 |
Correct |
2 ms |
3932 KB |
Output is correct |
6 |
Correct |
3 ms |
3932 KB |
Output is correct |
7 |
Correct |
3 ms |
3932 KB |
Output is correct |
8 |
Correct |
2 ms |
3932 KB |
Output is correct |
9 |
Correct |
4 ms |
4320 KB |
Output is correct |
10 |
Correct |
6 ms |
3928 KB |
Output is correct |
11 |
Execution timed out |
5057 ms |
7004 KB |
Time limit exceeded |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
3932 KB |
Output is correct |
2 |
Correct |
2 ms |
3932 KB |
Output is correct |
3 |
Correct |
2 ms |
3932 KB |
Output is correct |
4 |
Correct |
2 ms |
3932 KB |
Output is correct |
5 |
Correct |
2 ms |
3932 KB |
Output is correct |
6 |
Correct |
3 ms |
3932 KB |
Output is correct |
7 |
Correct |
3 ms |
3932 KB |
Output is correct |
8 |
Correct |
2 ms |
3932 KB |
Output is correct |
9 |
Correct |
4 ms |
4320 KB |
Output is correct |
10 |
Correct |
6 ms |
3928 KB |
Output is correct |
11 |
Execution timed out |
5057 ms |
7004 KB |
Time limit exceeded |
12 |
Halted |
0 ms |
0 KB |
- |