Submission #1595365

---

Source Code Expand

#include <iostream>
#define int long long
using namespace std;
 
int keta(int n){
	int ret = 0;
	while(n){
		ret++;
		n /= 2;
	}
	return ret;
}
 
int calc(int a,int b){
	if(!a && !b) return 1;
	if(keta(a) == keta(b)) return calc(a - (1ll << (keta(a) - 1)),b - (1ll << (keta(a) - 1)));
	else return min(calc(1ll << (keta(b) - 1),b) + 1ll << (keta(b) - 1) - a),1ll << (keta(b) - 1)) + 1ll << (keta(b) - 1) - a;
}
 
signed main(){
	int a,b;
	cin >> a >> b;
	cout << calc(a,b) << endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘long long int calc(long long int, long long int)’:
./Main.cpp:17:73: error: no matching function for call to ‘min(long long int)’
  else return min(calc(1ll << (keta(b) - 1),b) + 1ll << (keta(b) - 1) - a),1ll << (keta(b) - 1)) + 1ll << (keta(b) - 1) - a;
                                                                         ^
In file included from /usr/include/c++/5/bits/char_traits.h:39:0,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from ./Main.cpp:1:
/usr/include/c++/5/bits/stl_algobase.h:195:5: note: candidate: template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^
/usr/include/c++/5/bits/stl_algobase.h:195:5: note:   template argument deduction/substitution failed:
./Main.cpp:17:73: note:   candidate expects 2 arguments, 1 provided
  else return min(calc(1ll << (keta(b) - 1),b) + 1ll <...