ceil.cpp

来自「在c环境下的对数据结构进行讲解,包含有例题及答案」· C++ 代码 · 共 21 行

//ceil.cpp
#include <math.h>
#include <iostream.h>
#include <conio.h>
void main(void)
{
  double number = 123.54,num=-123.54;
  double down, up,num_down,num_up;
  down = floor(number);
  num_down = floor(num);
  up = ceil(number);
  num_up = ceil(num);
  cout<<"正数:"<<number<<endl
      <<"floor后:"<<down<<endl
      <<"ceil后:"<<up << endl;
  cout<<"负数:"<<num<<endl
      <<"floor后:"<<num_down<<endl
      <<"ceil后:"<<num_up << endl;
  getch();
}