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Question
By Ahmed_Hussein_Karam, history, 11 years ago, In English

What is the most efficient way to convert an integer to a string in C++?

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11 years ago, hide # |
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Vote: I like it +3 Vote: I do not like it

add this library #include <sstream>
and then write this function 

string convert (int x){
    ostringstream temp;
    temp << x;
    return temp.str();
}

Or just use s = to_string(x); where s is string, x is integer

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11 years ago, hide # |
 
Vote: I like it +12 Vote: I do not like it

I like to use sprintf() for this kind of situation.

char buf[100];
int x = 10123;
sprintf ( buf, "%d", x );

buf[] has the value of x in it as string. It's like printf() function, but for strings. Hence the name sprintf().

And yes, we also have sscanf().

char buf[] = "1235";
int x;
sscanf ( buf, "%d", &x);
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