제출 #1212302

#제출 시각아이디문제언어결과실행 시간메모리
1212302nerrrmin드문 곤충 (IOI22_insects)C++20
컴파일 에러
0 ms0 KiB
#include "insects.h" #include<bits/stdc++.h> #define pb push_back #define pb push_back using namespace std; int n; int cnt; vector < int > fosure; bool check(int x) { vector < int > g; int put = fosure.size(); for (int i = 0; i < n; ++ i) { if(!use[i])continue; g.pb(i); move_inside(i); if(press_button() > x) { move_outside(i); g.pop_back(); } else put ++; } if(put == cnt * x) { for (auto x: g) { fosure[x].pb(x); use[x] = 0; } } else { for (auto x: g) move_outside(x); } return (put == cnt * x); } int min_cardinality(int N) { n = N; for (int i = 0; i < n; ++ i) use[i] = 1; vector < int > g; for (int i = 0; i < n; ++ i) { g.pb(i); move_inside(i); if(press_button() == 2) { move_outside(i); g.pop_back(); } } cnt = g.size(); for (auto x: g) move_outside(x); int l = 0, r = n/cnt, mid, ans; while(l <= r) { int mid = (l + r)/2; if(check(mid)) { ans = mid; l = mid + 1; } else r = mid - 1; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

insects.cpp: In function 'bool check(int)':
insects.cpp:17:13: error: 'use' was not declared in this scope; did you mean 'pause'?
   17 |         if(!use[i])continue;
      |             ^~~
      |             pause
insects.cpp:4:12: error: request for member 'push_back' in 'fosure.std::vector<int>::operator[](((std::vector<int>::size_type)x))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
    4 | #define pb push_back
      |            ^~~~~~~~~
insects.cpp:31:23: note: in expansion of macro 'pb'
   31 |             fosure[x].pb(x);
      |                       ^~
insects.cpp:32:13: error: 'use' was not declared in this scope; did you mean 'pause'?
   32 |             use[x] = 0;
      |             ^~~
      |             pause
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:49:9: error: 'use' was not declared in this scope; did you mean 'pause'?
   49 |         use[i] = 1;
      |         ^~~
      |         pause