sprintf.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 14 行

#include <iostream>
#include <cstdio>
using namespace std;

int main()
{
    char formatted_string[20];

    float number = 1234.56789;
    sprintf (formatted_string, "%.4f\n", number);
    cout << formatted_string;

   return 0;
}