제출 #940114

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
940114	2024-03-07 05:44:41	Trisanu_Das	참나무 (IOI23_beechtree)	C++17	22 / 100	105 ms	60056 KiB

beechtree

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <beechtree.h>
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 2e5+100;
 
int sz[N];
vector<array<int, 2>> g[N];
vector<int> ans;
set<int> C[N];
 
void dfs(int v){
  ans[v] = 1;
  sz[v] = 1;
  for(auto U: g[v]){
    int u = U[0], c = U[1];
    dfs(u);
    sz[v] += sz[u];
    ans[v] &= ans[u];
    if(C[v].find(c) != C[v].end()) ans[v] = 0;
    C[v].insert(c);
  }
  if(ans[v] == 0) return;
  sort(all(g[v]), [&](const array<int, 2> &x, const array<int, 2> &y){
    return sz[x[0]] > sz[y[0]];
  });
  for(int i = 0; i < g[v].size(); ++i){
    int x = (i == 0 ? v : g[v][i - 1][0]), y = g[v][i][0];
    for(auto col: C[y]){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

beechtree.cpp: In function 'void dfs(int)':
beechtree.cpp:28:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for(int i = 0; i < g[v].size(); ++i){
      |                 ~~^~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 9
• Subtask 2: 5 / 5
• Subtask 3: 9 / 9
• Subtask 4: 8 / 8
• Subtask 5: 0 / 14
• Subtask 6: 0 / 14
• Subtask 7: 0 / 12
• Subtask 8: 0 / 17
• Subtask 9: 0 / 12