제출 #975315

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
975315	2024-05-04 18:29:13	dosts	Museum (CEOI17_museum)	C++17	100 / 100	629 ms	784752 KiB

museum

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
const int mxN=(int)1e4+2;
const int LINF = (int)1e9;
int n, k, s, sub[mxN];
vector<pair<int,int>> adj[mxN];
int dp[mxN][mxN][2];
 
int findSize(int s, int p){
  sub[s]=1;
  for(auto [u,w] : adj[s])
    if(u!=p) sub[s]+=findSize(u,s);
  return sub[s];
}
 
void dfs(int s, int p){
  for(int tot = 1; auto [u,w] : adj[s]){ 
    if(u==p) continue; 
    dfs(u,s); tot+=sub[u];
    for(int i = tot; i >= 2; i--)
            for(int j = max(0, i-tot+sub[u]); j<=min(i,sub[u]); j++)
        dp[s][i][0] = min(dp[s][i][0], dp[s][i-j][0] + dp[u][j][1]+2*w),
        dp[s][i][0] = min(dp[s][i][0], dp[s][i-j][1]+dp[u][j][0]+w),
        dp[s][i][1] = min(dp[s][i][1], dp[s][i-j][1]+dp[u][j][1]+2*w);
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

museum.cpp: In function 'void dfs(int, int)':
museum.cpp:22:19: warning: range-based 'for' loops with initializer only available with '-std=c++2a' or '-std=gnu++2a'
   22 |  for(int tot = 1; auto [u,w] : adj[s]){
      |                   ^~~~

• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20