제출 #724482

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
724482	2023-04-15 11:30:29	Dan4Life	꿈 (IOI13_dreaming)	C++17	47 / 100	1074 ms	16088 KiB

dreaming

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#include "dreaming.h"
#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)1e5+10;
const int INF = (int)1e9;
int n, m, l,CC=1,ans2;
vector<int> path, v;
int vis[mxN], dis[mxN];
vector<pair<int,int>> adj[mxN];
bool dfs2(int s, int p, int t){
    if(s==t) return 1;
    for(auto x : adj[s]){
        int u = x.fi, w = x.se;
        if(u==p) continue;
        if(dfs2(u,s,t)){ path.pb(w); return 1; }
    }
    return 0;
}
void dfs(int s, int p){
    vis[s]=CC;
    for(auto x : adj[s]){
        int u = x.fi, w = x.se;
        if(u==p) continue;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

dreaming.cpp: In function 'void calcDiam(int)':
dreaming.cpp:43:23: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   43 |     path.clear(); dfs2(a,-1,b);
      |                   ~~~~^~~~~~~~
dreaming.cpp:43:23: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 14 / 14
• Subtask 2: 10 / 10
• Subtask 3: 23 / 23
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• Subtask 6: 0 / 23