제출 #421357

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
421357	2021-06-09 05:33:07	Trunkty	Stations (IOI20_stations)	C++14	100 / 100	1057 ms	888 KiB

stations

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int nextnum;
int arr[1005];
vector<int> pairs[1005];
void dfs(int par, int a, int dep){
  if(dep%2){
    arr[a] = nextnum;
    nextnum++;
  }
  for(int i:pairs[a]){
    if(i!=par){
      dfs(a,i,dep+1);
    }
  }
  if(dep%2==0){
    arr[a] = nextnum;
    nextnum++;
  }
}
vector<int> label(int n, int k, vector<int> u, vector<int> v){
  nextnum = 0;
  for(int i=0;i<n;i++){
    pairs[i].clear();
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:61:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |    for(int i=0;i<c.size()-1;i++){
      |                ~^~~~~~~~~~~
stations.cpp:72:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |    for(int i=0;i<c.size()-1;i++){
      |                ~^~~~~~~~~~~
stations.cpp:80:1: warning: control reaches end of non-void function [-Wreturn-type]
   80 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61