Submission #598753

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
598753	2022-07-18 23:16:56	Bobaa	Training (IOI07_training)	C++17	Compilation error	0 ms	0 KiB

training

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#include <bits/stdc++.h>
using namespace std; 
const int N = 1 << 10; 
vector<int> E[N], lca[N], dob; 
int id[N], d[N], par[N], pre[N], pst[N], wsk, dp[N][N], dp2[N][5 * N], n, m; 
vector<pair<int, pair<int, int>>> edg, edg2; 
void dfs1(int v, int p) {
  pre[v] = wsk++; 
  par[v] = p; 
  d[v] = d[p] + 1; 
  int sz = E[v].size(); 
  for (int i = 0; i < sz; i++) if (E[v][i] == p) swap(E[v][i], E[v].back()); 
  if (p != 0) E[v].pop_back(); 
  for (int i = 0; i < sz; i++) {
    id[E[v][i]] = i; 
    dfs1(E[v][i], v); 
  }
  pst[v] = wsk; 
}
void dfs2(int v) {
  for (int u : E[v]) {
    dfs2(u); 
    dp[v][1 << id[u]] = dp2[u][0]; 
  }
  for (int e : lca[v]) {
    int u = edg[e].second.first, w = edg[e].second.second; 
 
 
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Compilation message (stderr)

training.cpp: In function 'void dfs2(int)':
training.cpp:45:66: error: expected ']' before ')' token
   45 |   if (par[edg2[e].second.first] == (v ^ par[edg2[e].second.second)] == v) {
      |                                                                  ^
      |                                                                  ]
training.cpp:45:67: error: expected ')' before ']' token
   45 |   if (par[edg2[e].second.first] == (v ^ par[edg2[e].second.second)] == v) {
      |      ~                                                            ^
      |                                                                   )
training.cpp:45:67: error: expected primary-expression before ']' token
training.cpp: In function 'int main()':
training.cpp:90:10: error: 'sum' was not declared in this scope; did you mean 'sm'?
   90 |  cout << sum - dp2[1][0];
      |          ^~~
      |          sm