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답안 #988518

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
988518 2024-05-25T05:16:10 Z cnn008 드문 곤충 (IOI22_insects) C++17
컴파일 오류
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#include "bits/stdc++.h"
using namespace std;

#include "insects.h"

#ifdef N_N_C
#include "debug.h"
#else
#define cebug(...) "Arya"
#endif

#define ll long long

const int N=1e5+5;
const int mod=1e9+7;

int min_cardinality(int n){
	set <int> s;
	int cad=0;
	auto add = [&](int i){
		s.insert(i);
		move_inside(i);
	};
	auto del = [&](int i){
		s.erase(i);
		move_outside(i);
	};
	// auto check = [&](int k) -> bool{
		// for(int i=0; i<n; i++){
			// add(i);
			// if(press_button()>k) del(i);
		// }
		// bool f=((int)s.size()>=cad*k);
		// for(auto i:s) del(i);
		// return f;
	// };
	for(int i=0; i<n; i++){
		add(i);
		if(press_button()==1) cad++;
		else del(i);
	}
	for(auto i:s) del(i);
	int l=2,r=n/cad,ans=1;
	while(l<=r){
		int mid=(l+r)/2,f;
		for(int i=0; i<n; i++){
			add(i);
			if(press_button()>k) del(i);
		}
		bool f=((int)s.size()>=cad*k);
		for(auto i:s) del(i);
		if(f){
			ans=mid;
			l=mid+1;
		}else r=mid-1;
	}
	return ans;
}
/**  /\_/\
*   (= ._.)
*   / >💖 \>💕
**/

Compilation message

insects.cpp:59:9: warning: "/*" within comment [-Wcomment]
   59 | /**  /\_/\
      |          
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:48:22: error: 'k' was not declared in this scope
   48 |    if(press_button()>k) del(i);
      |                      ^
insects.cpp:50:8: error: conflicting declaration 'bool f'
   50 |   bool f=((int)s.size()>=cad*k);
      |        ^
insects.cpp:45:19: note: previous declaration as 'int f'
   45 |   int mid=(l+r)/2,f;
      |                   ^
insects.cpp:50:30: error: 'k' was not declared in this scope
   50 |   bool f=((int)s.size()>=cad*k);
      |                              ^