Changing variable name inside a loop

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误落风尘 2021-01-29 14:20

I\'m trying to create a loop that will will create a new variable but also change the name of the variable, such as increasing in value, automatically. Not sure if this is possi

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执笔经年 (楼主)

2021-01-29 15:03
The closest thing to "renaming" in C++ would be declaring a reference of the "old named" variable with the new name.
```
int a = 2;
int &b = a;
//you can now call either `b` or `a` to get the value
```
Creating new variables on the fly is not possible. The correct insert any compiled language name here way of doing it is by pushing values into a container (array, map, stack..etc). With maps, you can do something similar to what you want, but it's different one only "maps" a string to a value.
```
#include 
#include 
#include  //for int to string conversion

std::string stringify(int val)
{
  std::stringstream ss;
  ss << n;
  return ss.str();
}

int main()
{
  std::map values;
  for (int i = 0; i < 10; i ++){
    values[stringify(i)] = i*100;
  }
  std::cout << values["1"]; // prints 100
  std::cout << values["9"]; // prints 900
  return 0;
}
```
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