Submission #347461

#	Time	Username	Problem	Language	Result	Execution time	Memory
347461		milleniumEeee	열대 식물원 (Tropical Garden) (IOI11_garden)	C++17	Compilation error	0 ms	0 KiB

garden

#include "garden.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
#define int long long
using namespace std;

const int MAXN = 150005;

int k;
int n, m, p;

vector <int> g[MAXN];

int dfs(int v, int par = -1, int len = 0) {
  if (len == k) {
    if (v == p) {
      return 1;
    } else {
      return 0;
    }
  }
  int best = 1e9;
  for (int to : g[v]) {
    if (to != par) {
      best = min(best, to);
    }
  }
  if (best == 1e9) {
    return dfs(par, v, len + 1);
  } else {
    return dfs(best, v, len + 1);
  }
}

void count_routes(int N, int M, int P, int R[][2], int Q, int G[]) {
  n = N;
  m = M;
  p = P;
  for (int i = 0; i < M; i++) {
    g[R[i][0]].push_back(R[i][1]);
    g[R[i][1]].push_back(R[i][0]);
  }
  for (int i = 0; i < Q; i++) {
    k = G[i];
    int ans = 0;    
    for (int v = 0; v < N; v++) {
      ans += dfs(v);
    }
    answer(ans);
  }
}

Compilation message (stderr)

garden.cpp: In function 'void count_routes(long long int, long long int, long long int, long long int (*)[2], long long int, long long int*)':
garden.cpp:49:5: error: 'answer' was not declared in this scope
   49 |     answer(ans);
      |     ^~~~~~