제출 #647700

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
647700	2022-10-03 16:54:54	Marceantasy	경주 (Race) (IOI11_race)	C++17	100 / 100	517 ms	51024 KiB

race

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#include <bits/stdc++.h>
using namespace std; 
#define ll long long
#define ar array
const int mxN = 1e6+5, M = 1e9+7; 
int n, k, sz[mxN], mxtree[mxN], ans; 
vector<pair<int, int>> adj[mxN];
vector<int> new_vis;
bool used[mxN];
int dfs(int u, int p = -1){
    sz[u] = 1;
    for(pair<int, int> v : adj[u]){
        if(v.second != p && !used[v.second]){
            sz[u] += dfs(v.second, u); 
        }
    }
    return sz[u];
}
int get_centroid(int u, int ms, int p = -1){ // u = node, ms = size of the current tree delimited by previous centroids, p = parent
    for(pair<int, int> v : adj[u]){
        if(v.second != p && !used[v.second]){
            if(sz[v.second]*2 > ms){
                return get_centroid(v.second, ms, u);
            }
        }
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'void solve(int)':
race.cpp:76:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |             for(int i = 0; i<cd1.size(); ++i){
      |                            ~^~~~~~~~~~~

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