#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
void main(void)
{
  int number = 0;
  for (int row = 0; row <= 7; row++)
  {
   
    for (int col = 1; col <= 7 - row; col++)
    cout << setw(5) << " ";
   
    for (col = 0; col <= row; col++)
 {
      number = pow(2.0, col);
    
      if (number > 100)
   {
        cout << "  " << number;
      }
      else if (number > 10)
   {
        cout << "   " << number;
      }
      else {
        cout << "    " << number;
      }
    }
   
    for (col = row - 1; col >= 0; col--) {
      number = pow(2.0, col);
     
      if (number > 100) {
        cout << "  " << number;
      }
      else if (number > 10) {
        cout << "   " << number;
      }
      else {
        cout << "    " << number;
      }
    }
  
    cout << \'\\n\';
  }
}

오류가 이렇게 뜨거든요 ㅡ,.ㅡ
3.cpp(14) : error C2065: \'col\' : undeclared identifier
col 선언됬는데 왜이래요?...