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C/C++ Source Codes

important point on variable declaration

//C++ allows to declare a variable inside the for loop declaration.
//It's like if the variable had been declared just before the loop :
#include <iostream.h>
void main ()
{
for (int i = 0; i < 4; i++)
{
cout << i << endl;
}
cout << "i contains : " << i << endl;
for (i = 0; i < 4; i++)
{
for (int i = 0; i < 4; i++) // we're between
{ // previous for's hooks
cout << i;
}
cout << endl;
}
}


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