#include <iostream>
#include <queue>
#include <vector>
#include <cmath>
#include <algorithm>
using namespace std;
typedef long long int lld;
vector<int> dat(lld n) {
  vector<int> res={-1,0ll};
  if (n==0ll) { return {-1,-1}; } int po=0;
  while (n) {
    if ((n&1)) { res[1]++; res[0]=po; }
    n>>=1; po++;
  }
  return res;
}
int main() {
  int t; scanf("%d",&t); lld n;
  for (int ti=0; ti<t; ti++) {
    scanf("%lld",&n); vector<int> ndat=dat(n);
    if (ndat[1]==1) { printf("%lld 0\n",n); }
    else { int res=-1; int i=ndat[0]; int st=1;
      for (; i>=0; i--,st++) {
        if ((n&(1ll<<(lld)(i)))) { res=std::max(res,st); }
      }
      printf("%lld %d\n",(1ll<<(lld)(ndat[0]+1)),res);
    }
  }
  return 0;
}
 
/*
solve one first real quick, then back to work.
em this is very simple anyways, or is it?
Anyways.
*/
 
/*
#include <iostream>
#include <queue>
#include <vector>
#include <cmath>
#include <algorithm>
using namespace std;
typedef long long int lld;
typedef pair<lld,lld> p;
int main() {
  int t; scanf("%d",&t); lld n,resc,cur,curn,curc; bool rs; 
  for (int ti=0; ti<t; ti++) {
    scanf("%lld",&n); cur=1ll; rs=false;
    for (int i=0; i<64; i++) {
      if (cur<n) {}
      else { curn=n; curc=0ll;
        std::priority_queue<p,vector<p>,std::less<p>>Q={};
        Q.push({cur,0ll});
        while (curn&&!Q.empty()) {
          p curq=Q.top(); Q.pop();
          if (curq.first<=curn) {
            curc+=curq.second;curn-=curq.first;
          }
          else { curq.first/=2ll;curq.second++;
            Q.push({curq.first,curq.second});
            Q.push({curq.first,curq.second});
          }
        }
      }
      if (!rs) { rs=true; resc=curc; }
      resc=std::min(resc,curc);
      cur=cur*2ll;
    }
    printf("-> ck cnt: %lld\n",resc);
  }
  return 0;
}
*/
by

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Read inputs from stdin

OneCompiler's C++ online compiler supports stdin and users can give inputs to programs using the STDIN textbox under the I/O tab. Following is a sample program which takes name as input and print your name with hello.

#include <iostream>
#include <string>
using namespace std;

int main() 
{
    string name;
    cout << "Enter name:";
    getline (cin, name);
    cout << "Hello " << name;
    return 0;
}

About C++

C++ is a widely used middle-level programming language.

  • Supports different platforms like Windows, various Linux flavours, MacOS etc
  • C++ supports OOPS concepts like Inheritance, Polymorphism, Encapsulation and Abstraction.
  • Case-sensitive
  • C++ is a compiler based language
  • C++ supports structured programming language
  • C++ provides alot of inbuilt functions and also supports dynamic memory allocation.
  • Like C, C++ also allows you to play with memory using Pointers.

Syntax help

Loops

1. If-Else:

When ever you want to perform a set of operations based on a condition If-Else is used.

if(conditional-expression) {
   //code
}
else {
   //code
}

You can also use if-else for nested Ifs and If-Else-If ladder when multiple conditions are to be performed on a single variable.

2. Switch:

Switch is an alternative to If-Else-If ladder.

switch(conditional-expression){    
case value1:    
 // code    
 break;  // optional  
case value2:    
 // code    
 break;  // optional  
......    
    
default:     
 code to be executed when all the above cases are not matched;    
}

3. For:

For loop is used to iterate a set of statements based on a condition.

for(Initialization; Condition; Increment/decrement){  
  //code  
}

4. While:

While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.

while (condition) {  
// code 
}

5. Do-While:

Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.

do {  
 // code 
} while (condition);

Functions

Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity. Function gets run only when it is called.

How to declare a Function:

return_type function_name(parameters);

How to call a Function:

function_name (parameters)

How to define a Function:

return_type function_name(parameters) {  
 // code
}