Question

How to use for loop in C++

Answer 1

#include <iostream>

int main()
{
    for (int i = 0; i < 10; i++) {
        std::cout << i << " ";
    }
}


 
/*
run: 
 
0 1 2 3 4 5 6 7 8 9 
 
*/

 

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Answer 2

#include <iostream>

int main()
{
    for (int i = 0; i < 10; i += 2) {
        std::cout << i << " ";
    }
}


 
/*
run: 
 
0 2 4 6 8 
 
*/

 

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Answer 3

#include <iostream>

int main()
{
	for (int i = 10; i > 0; i--) {
		std::cout << i << " ";
	}
}



/*
run: 

10 9 8 7 6 5 4 3 2 1 

*/

 

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