1、整形.cpp 467 B

123456789101112131415161718192021222324252627282930
  1. #include <iostream>
  2. //数据类型存在的意义:
  3. //给变量分配合适的内存空间
  4. int main1()
  5. {
  6. //整形
  7. //1、短整型
  8. short num1 = 10;
  9. //2、整形
  10. int num2 = 10;
  11. //3、长整型
  12. long num3 = 10;
  13. //4、长长整形
  14. long long num4 = 10;
  15. std::cout << "num1 =" << num1 << std::endl;
  16. std::cout << "num2 =" << num2 << std::endl;
  17. std::cout << "num3 =" << num3 << std::endl;
  18. std::cout << "num4 =" << num4 << std::endl;
  19. system("pause");
  20. return 0;
  21. }