제출 #1129798

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1129798		ohad	Island Hopping (JOI24_island)	C++20	컴파일 에러	0 ms	0 KiB

island

#include "island.h"
#include<bits/stdc++.h>
using namespace std;

void solve(int N, int L){
    vector<int> father(N,-1);
    father[0] = -2; //no father
    vector<int> q;
    for(int i = 1; i < N; i++){
        q.push_back(query(1,i));
    }
    while(auto now : q){
        for(int k = 1; father[now]==-1; k++){
          int nei = query(now,k);
          if(father[nei]!=-1) father[now]=nei;
          else father[nei] = now;
        }
    }
    for (int i = 2; i <= N; i++)
        answer(i, father[i]);
}

컴파일 시 표준 에러 (stderr) 메시지

island.cpp: In function 'void solve(int, int)':
island.cpp:12:20: error: found ':' in nested-name-specifier, expected '::'
   12 |     while(auto now : q){
      |                    ^
      |                    ::
island.cpp:12:16: error: 'now' has not been declared
   12 |     while(auto now : q){
      |                ^~~
island.cpp:12:23: error: qualified-id in declaration before ')' token
   12 |     while(auto now : q){
      |                       ^
island.cpp:13:31: error: 'now' was not declared in this scope; did you mean 'pow'?
   13 |         for(int k = 1; father[now]==-1; k++){
      |                               ^~~
      |                               pow