Submission #247677

# Submission time Handle Problem Language Result Execution time Memory
247677 2020-07-11T22:30:33 Z davi_bart Tropical Garden (IOI11_garden) C++14
69 / 100
5000 ms 47864 KB
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "garden.h"
#include "gardenlib.h"
using namespace std;
typedef long long ll;
//#define int ll
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int> v[200010];
int p[30][300010];
int n;
int sol(int P,int k,int pos){
  for(int i=0;i<30;i++){
    if(k&(1<<i))pos=p[i][pos];
  }
  if(pos==P || pos==n+P)return 1;
  return 0;
}
void count_routes(int N,int M,int P,int R[][2],int Q,int G[]){
  n=N;
  for(int i=0;i<M;i++){
    if(v[R[i][0]].size()<2)v[R[i][0]].push_back(R[i][1]);
    if(v[R[i][1]].size()<2)v[R[i][1]].push_back(R[i][0]);
  }
  for(int i=0;i<N;i++){
    p[0][i]=v[i][0];
    if(v[v[i][0]][0]==i)p[0][i]+=N;
  }
  for(int i=0;i<N;i++){
    p[0][i+N]=v[i].back();
    if(v[v[i].back()][0]==i)p[0][i+N]+=N;
  }
  for(int i=1;i<30;i++){
    for(int j=0;j<2*N;j++){
      p[i][j]=p[i-1][p[i-1][j]];
    }
  }
  for(int i=0;i<Q;i++){
    int tot=0;
    for(int j=0;j<N;j++)tot+=sol(P,G[i],j);
    answer(tot);
  }
}
# Verdict Execution time Memory Grader output
1 Correct 8 ms 5504 KB Output is correct
2 Correct 8 ms 5504 KB Output is correct
3 Correct 8 ms 5504 KB Output is correct
4 Correct 7 ms 5248 KB Output is correct
5 Correct 8 ms 5248 KB Output is correct
6 Correct 8 ms 5504 KB Output is correct
7 Correct 7 ms 5248 KB Output is correct
8 Correct 8 ms 5504 KB Output is correct
9 Correct 10 ms 5632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 5504 KB Output is correct
2 Correct 8 ms 5504 KB Output is correct
3 Correct 8 ms 5504 KB Output is correct
4 Correct 7 ms 5248 KB Output is correct
5 Correct 8 ms 5248 KB Output is correct
6 Correct 8 ms 5504 KB Output is correct
7 Correct 7 ms 5248 KB Output is correct
8 Correct 8 ms 5504 KB Output is correct
9 Correct 10 ms 5632 KB Output is correct
10 Correct 8 ms 5248 KB Output is correct
11 Correct 19 ms 11648 KB Output is correct
12 Correct 39 ms 16224 KB Output is correct
13 Correct 52 ms 29432 KB Output is correct
14 Correct 111 ms 44036 KB Output is correct
15 Correct 92 ms 44408 KB Output is correct
16 Correct 73 ms 32120 KB Output is correct
17 Correct 78 ms 28156 KB Output is correct
18 Correct 33 ms 16128 KB Output is correct
19 Correct 92 ms 43896 KB Output is correct
20 Correct 92 ms 44412 KB Output is correct
21 Correct 76 ms 32208 KB Output is correct
22 Correct 88 ms 28280 KB Output is correct
23 Correct 102 ms 47864 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 5504 KB Output is correct
2 Correct 8 ms 5504 KB Output is correct
3 Correct 8 ms 5504 KB Output is correct
4 Correct 7 ms 5248 KB Output is correct
5 Correct 8 ms 5248 KB Output is correct
6 Correct 8 ms 5504 KB Output is correct
7 Correct 7 ms 5248 KB Output is correct
8 Correct 8 ms 5504 KB Output is correct
9 Correct 10 ms 5632 KB Output is correct
10 Correct 8 ms 5248 KB Output is correct
11 Correct 19 ms 11648 KB Output is correct
12 Correct 39 ms 16224 KB Output is correct
13 Correct 52 ms 29432 KB Output is correct
14 Correct 111 ms 44036 KB Output is correct
15 Correct 92 ms 44408 KB Output is correct
16 Correct 73 ms 32120 KB Output is correct
17 Correct 78 ms 28156 KB Output is correct
18 Correct 33 ms 16128 KB Output is correct
19 Correct 92 ms 43896 KB Output is correct
20 Correct 92 ms 44412 KB Output is correct
21 Correct 76 ms 32208 KB Output is correct
22 Correct 88 ms 28280 KB Output is correct
23 Correct 102 ms 47864 KB Output is correct
24 Correct 15 ms 5248 KB Output is correct
25 Correct 2432 ms 11696 KB Output is correct
26 Correct 4412 ms 16376 KB Output is correct
27 Execution timed out 5068 ms 29688 KB Time limit exceeded
28 Halted 0 ms 0 KB -