Submission #1137658

#	Time	Username	Problem	Language	Result	Execution time	Memory
1137658		ghammazhassan	COVID tests (CEOI24_covid)	C++20	Compilation error	0 ms	0 KiB

Main

// #include <bits/stdc++.h>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <map>
#include <vector>
#include <iomanip>
#include <string>
#include <queue>
#include <set>
using namespace std;
#define int long long
#define endl "\n";
const int N=2e5+5;
const int M=1e9+7;
int n;
double p;
void solve2()
{
	string s,r;
	for (int i=0;i<n;i++){
		s+='0';
		r+='0';
	}
	for (int i=0;i<n;i++){
		s[i]='1';
		cout << "Q " << s << endl;
		char u;
		cin >> u;
		if (u=='P'){
			r[i]='1';
		} 
		s[i]='0';
	}
	cout << "A " << r << endl;
	char e;
	cin >> e;
	if (e=='C'){
		return;
	}
	else{
		exit(0);
	}
}
void solve()
{
	string s,w;
	for (int i=0;i<n;i++){
		s+='0';
		w+='1';
	}
	int co=max((1/p)/4,(double)1);
	int l=0,r=min(co,n-1);
	while (l<n){
		for (int i=l;i<=r;i++){
			s[i]='1';
		}
		cout << "Q "+s << endl;
		char k;
		cin >> k;
		for (int i=l;i<=r;i++){
			s[i]='0';
		}
		if (k=='N'){
			for (int i=l;i<=r;i++){
				w[i]='0';
			}
			l=r+1;
			r=min(l+co,n-1);
		}
		else{
			if (l!=r){
				r=(l+r)/max(co,2);
			}
			else{
				l=r+1;
				r=min(l+co,n-1);
			}
		}
	}
	cout << "A " << w << endl;
	char e;
	cin >> e;
	if (e=='C'){
		return;
	}
	else{
		exit(0);
	}
}		


signed main()
{

    cout << fixed<<setprecision(9);
    int t=1;
    cin >> n >> p >> t;
    if (t==1){
    	solve2();
    	return 0;
    }
    for (int _=1;_<=t;_++){
    	solve();
    }
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:73:44: error: no matching function for call to 'max(long long int&, int)'
   73 |                                 r=(l+r)/max(co,2);
      |                                         ~~~^~~~~~
In file included from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from Main.cpp:2:
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
Main.cpp:73:44: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   73 |                                 r=(l+r)/max(co,2);
      |                                         ~~~^~~~~~
In file included from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from Main.cpp:2:
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
Main.cpp:73:44: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   73 |                                 r=(l+r)/max(co,2);
      |                                         ~~~^~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from Main.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
Main.cpp:73:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   73 |                                 r=(l+r)/max(co,2);
      |                                         ~~~^~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from Main.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
Main.cpp:73:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   73 |                                 r=(l+r)/max(co,2);
      |                                         ~~~^~~~~~