How to format output in C++

Question

int var = 0;
cout << var;
// the output would be "0"

but if I wanna the output be "00", what should I do?

R Sahu · Accepted Answer · 2015-03-06 06:28:00Z

2

int var = 0;
std::cout << std::setw(2) << std::setfill('0') << var << std::endl;

A more interesting one:

int var = 458;
std::cout << std::setw(8) << std::setfill('0') << var << std::endl;

answered Mar 6, 2015 at 6:28

R Sahu

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Comments

Danyal Sandeelo · Accepted Answer · 2015-03-06 06:29:13Z

1

This should work in c++

int var=1;
printf("%.2d", var);

answered Mar 6, 2015 at 6:29

Danyal Sandeelo

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