Language: C++


#include <iostream>
#include <cmath>
#include <climits>
#include <algorithm>
#include <vector>
#include <unordered_map>
#include <unordered_set>
#include <stack>
#include <list>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <string.h>
#include <iomanip>
#include <ctype.h>

#define ll          long long int
#define ull         unsigned long long int
#define pb          push_back
#define pii         pair<int,int>
#define F           first
#define S           second
#define vi          vector<int>
#define vli          vector<ll>
#define vii         vector<pii>
#define mi          map<int,int>
#define mii         map<pii,int>
#define M_PI        3.14159265358979323846
#define mp          make_pair
#define sz(x)       (int)x.size()
//#define hell        1000000007
#define matrix      vector<vector<ll>>
#define forn(i,a,b)  for(int i=a;i<b;i++)
#define eps 0.0000000001
#define all(a)      (a).begin(),(a).end()
const long long INF = (long long) 1e7+1;
const long long mod = (long long) 998244353 ;
const long long hell = (long long) 1000000007;

using namespace std;
#include <stdio.h>

ll power(ll x,ll y)
{
  ll res=1;
  while(y>0){
    if(y%2) res=(x%hell*res%hell)%hell;
    x=(x%hell*x%hell)%hell;
    y=y/2;
  }
  return res;
}

ll modinv(ll x){
  return power(x,hell-2);
}

void solve();


void fastIO() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
}

int main(){
   fastIO();
   int test;
   //cin>>test;
   test=1;
   
   while(test--)
   solve();
}
//void sieve();
ll pw(ll k,ll x);
ll gcd(ll x,ll y);

/*
  For freq or prime factors

for(auto pri:prime){
  while(k%pri==0){
    pcnt[pri]++;
    k/=pri;
  }
}*/

void solve(){
    ll n,a,b;
    cin>>n>a>>b;
    ll f=n/(a+b);
    ll ans=a*f+n%(a+b);
    cout<<ans;
}    


///Before submit=>
///    *check for integer overflow,array bounds
///    *check for n=1

ll gcd(ll a,ll b)
{
    while( b != 0)
	{
		ll  t = b;
		b= a %t;
		a = t;
	}
	return a;
}


ll pw(ll k,ll x){
  if(x==0)
  return 1;
  if(x&1)
  return ((pw(k,x-1))*k);
  else
  return ((pw(k,x/2))*(pw(k,x/2)));
}





Compiler output:
a.cc: In function 'void solve()':
a.cc:94:11: error: no match for 'operator>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'long long int')
   94 |     cin>>n>a>>b;
      |     ~~~~~~^~~~~
      |        |    |
      |        |    long long int
      |        std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
a.cc:94:11: note: candidate: 'operator>(int, long long int)' (built-in)
   94 |     cin>>n>a>>b;
      |     ~~~~~~^~~~~
a.cc:94:11: note:   no known conversion for argument 1 from 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/string:48,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_iterator.h:462:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  462 |     operator>(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:462:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/bits/stl_iterator.h:507:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  507 |     operator>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:507:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/bits/stl_iterator.h:1714:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1714 |     operator>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1714:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/bits/stl_iterator.h:1774:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1774 |     operator>(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1774:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   94 |     cin>>n>a>>b;
      |               ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1058:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1058 |     operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1058:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::pair<_T1, _T2>'
   94 |     cin>>n>a>>b;
      |               ^
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:695:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  695 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:695:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/string_view:702:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  702 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:702:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/string_view:710:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  710 |     operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:710:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'long long int'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/bits/basic_string.h:3915:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3915 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3915:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/bits/basic_string.h:3929:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3929 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3929:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   94 |     cin>>n>a>>b;
      |               ^
/usr/include/c++/14/bits/basic_string.h:3942:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3942 |     operator>(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3942:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   mismatched types 'const _CharT*' and 'std::basic_istream<char>'
   94 |     cin>>n>a>>b;
      |               ^
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
                 from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2619:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator>(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
 2619 |     operator>(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/14/tuple:2619:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::tuple<_UTypes ...>'
   94 |     cin>>n>a>>b;
      |               ^
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:6:
/usr/include/c++/14/bits/stl_vector.h:2102:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator>(const vector<_Tp, _Alloc>&, const vector<_Tp, _Alloc>&)'
 2102 |     operator>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:2102:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::vector<_Tp, _Alloc>'
   94 |     cin>>n>a>>b;
      |               ^
In file included from /usr/include/c++/14/deque:66,
                 from /usr/include/c++/14/stack:62,
                 from a.cc:9:
/usr/include/c++/14/bits/stl_deque.h:2349:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator>(const deque<_Tp, _Alloc>&, const deque<_Tp, _Alloc>&)'
 2349 |     operator>(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_deque.h:2349:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::deque<_Tp, _Alloc>'
   94 |     cin>>n>a>>b;
      |               ^
In file included from /usr/include/c++/14/stack:63:
/usr/include/c++/14/bits/stl_stack.h:387:5: note: candidate: 'template<class _Tp, class _Seq> bool std::operator>(const stack<_Tp, _Seq>&, const stack<_Tp, _Seq>&)'
  387 |     operator>(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_stack.h:387:5: note:   template argument deduction/substitution failed:
a.cc:94:15: note:   'std::basic_istream<char>::__istream_type' {aka 's