제출 #151568

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
151568	2019-09-03 14:53:59	ainta	갈라파고스 여행 (FXCUP4_island)	C++17	100 / 100	1129 ms	44988 KiB

island

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#include "island.h"
#include <cstdio>
#include <algorithm>
#include <vector>
#include <map>
using namespace std;
#define pii pair<int,int>
#define N_ 101000
vector<int>G[N_], E[N_], L[N_];
int n, m, UF[N_][2], MM[N_];
int Find(int a, int pv) {
  if (UF[a][pv] == a)return a;
  return UF[a][pv] = Find(UF[a][pv], pv);
}
void Add_Edge(int a, int b, int c) {
  E[a].push_back(b);
  E[b].push_back(a);
  L[a].push_back(c);
  L[b].push_back(c);
}
int D[101000][20], Num[101000];
void DFS(int a, int pp, int cur) {
  Num[a] = cur;
  for (int i = 0; i < E[a].size(); i++) {
    int x = E[a][i];
    if (x == pp)continue;
    D[cur][0] = L[a][i];
    DFS(x, a, cur + 1);
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

island.cpp: In function 'void DFS(int, int, int)':
island.cpp:25:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < E[a].size(); i++) {
                  ~~^~~~~~~~~~~~~
island.cpp: In function 'int Separate(int, int)':
island.cpp:82:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (pv < G[B].size()) {
       ~~~^~~~~~~~~~~~~

• Subtask 1: 31 / 31
• Subtask 2: 39 / 39
• Subtask 3: 30 / 30