W3School TIY Editor

#include <stdio.h> int main() { int a = 10; int b = 3; printf("%d\n", a / b); // 整数除法，结果为 3 double c = 10.0; double d = 3.0; printf("%f\n", c / d); // 小数除法，结果为 3.333... return 0; }