제출 #627310

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
627310	2022-08-12 12:39:56	happypotato	수천개의 섬 (IOI22_islands)	C++17	0 / 100	16 ms	16120 KiB

islands

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#include "islands.h"
#include <variant>
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
// global
int n, m;
const int mxN = 1e5 + 1;
vector<int> adj[mxN], opp[mxN];
bool vis[mxN];
void resetvis() {
  for (int i = 0; i < n; i++) vis[i] = false;
}
map<pii, vector<int> > mp, newmp;
int par[mxN];
int vispos[mxN];
vector<int> path;
int loopstart = -1;
void dupcycledfs(int u = 0, int pp = -1) {
  vis[u] = true;
  par[u] = pp;
  vispos[u] = path.size();
  path.pb(u);
  for (int v : adj[u]) {
    if (!vis[v]) {
      dupcycledfs(v, u);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

islands.cpp: In function 'void dfsfindpath(int, bool)':
islands.cpp:98:23: warning: variable 'v' set but not used [-Wunused-but-set-variable]
   98 |  for (pair<int, bool> v : newadj[u]) {
      |                       ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45