제출 #848646

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
848646	2023-09-13 07:27:08	SalihSahin	경주 (Race) (IOI11_race)	C++14	100 / 100	1313 ms	54608 KiB

race

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#include <bits/stdc++.h>
#define pb push_back
#include "race.h"
#define endl "\n"
#define fastio cin.tie(0); ios_base::sync_with_stdio(false);
typedef long long ll;
using namespace std;
const int mod = 1e9 + 7;
const int MAXN = 2e5 + 5;
vector<pair<int, int> > adj[MAXN];
vector<int> sub(MAXN), vis(MAXN);
void subtreecalc(int node, int par){
  sub[node] = 1;
  for(auto itr: adj[node]){
    if(itr.first != par && !vis[itr.first]){
        subtreecalc(itr.first, node);
        sub[node] += sub[itr.first];
    }
  }
}
int find_centroid(int node, int par, int sz){
  for(auto itr: adj[node]){
    if(vis[itr.first] || itr.first == par) continue;
    if(sub[itr.first] > sz/2) return find_centroid(itr.first, node, sz);
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'int best_path(int, int, int (*)[2], int*)':
race.cpp:67:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |     while(ind < adj[ct].size()){
      |           ~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57