Submission #1250919

#TimeUsernameProblemLanguageResultExecution timeMemory
1250919David_MWorld Map (IOI25_worldmap)C++20
Compilation error
0 ms0 KiB
#include "worldmap.h" using namespace std; vector<int> v[50]; int n, k; int f[50]; void dfs(int x, int pa, vector<vector<int>> &ans) { f[x] = 1; for (int i = 0; i <= k; ++i) { ans[i][k - i] = x; } k++; for (int y : v[x]) { if(f[y]) continue; dfs(y, x); } int e = max(0, k - 2 * n + 1); if(x != 0) { for (int y : v[x]) { if(f[y] == 2) continue; assert(f[y] == 1); ans[e][k - e] = y; e++; } k++; while (e <= min(k, 2 * N - 1)) { ans[e][k - e] = x; e++; } k++; } for (int i = 0; i <= k; ++i) { ans[i][k - 1] = pa; } k++; f[x] = 2; } vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B) { vector<vector<int>> ans(2 * N, vector<int>(2 * N, 1)); n = N; for (int i = 0; i < 50; ++i) { v[i].clear(); f[i] = 0; } for (int i = 0; i < M; ++i) { v[A[i]].push_back(B[i]); v[B[i]].push_back(A[i]); } dfs(0, 0, ans); // assert(k == 4 * N - 2); while (k <= 4 * N - 2) { for (int i = max(0, k - 2 * N + 1); i <= min(k, 2 * N - 1); ++i) { ans[i][j] = 0; } k++; } return ans; }

Compilation message (stderr)

worldmap.cpp: In function 'void dfs(int, int, std::vector<std::vector<int> >&)':
worldmap.cpp:20:12: error: too few arguments to function 'void dfs(int, int, std::vector<std::vector<int> >&)'
   20 |         dfs(y, x);
      |         ~~~^~~~~~
worldmap.cpp:9:6: note: declared here
    9 | void dfs(int x, int pa, vector<vector<int>> &ans) {
      |      ^~~
worldmap.cpp:28:13: error: 'assert' was not declared in this scope
   28 |             assert(f[y] == 1);
      |             ^~~~~~
worldmap.cpp:2:1: note: 'assert' is defined in header '<cassert>'; did you forget to '#include <cassert>'?
    1 | #include "worldmap.h"
  +++ |+#include <cassert>
    2 | 
worldmap.cpp:33:32: error: 'N' was not declared in this scope
   33 |         while (e <= min(k, 2 * N - 1)) {
      |                                ^
worldmap.cpp: In function 'std::vector<std::vector<int> > create_map(int, int, std::vector<int>, std::vector<int>)':
worldmap.cpp:68:16: error: 'j' was not declared in this scope
   68 |         ans[i][j] = 0;
      |                ^