제출 #1200115

#제출 시각아이디문제언어결과실행 시간메모리
1200115moha1111Finding Routers (IOI20_routers)C++20
컴파일 에러
0 ms0 KiB
#include "bits/stdc++.h" using namespace std; map<int , int> askd; int ask(int i) { if(askd.find(i) != askd.end()) return askd[i]; return askd[i] = use_detector(i); } vector<int> find_routers(int l , int n , int q) { vector<int> ans; ans.push_back(0); while(ans.size() < n) { int st = ans.back() , en = l; while(st <= en) { int mid = (st + en) / 2; if(ask(mid) != ans.back()) en = mid - 1; else st = mid + 1; } ans.push_back(2 * st); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

routers.cpp: In function 'int ask(int)':
routers.cpp:11:22: error: 'use_detector' was not declared in this scope
   11 |     return askd[i] = use_detector(i);
      |                      ^~~~~~~~~~~~