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  1. #include <iostream>
  2. #include <limits>
  3. #include <typeinfo>
  4. #define PRINT_TYPE(x) std::cout << #x << ": " << typeid(x).name() << std::endl
  5. #define PRINT_VALUE(x) std::cout << #x << ": " << typeid(x).name() << "(" << x << ")" <<std::endl
  6. int main()
  7. {
  8.   PRINT_TYPE(int);
  9.   PRINT_TYPE(long int);
  10.   PRINT_TYPE(long long int);
  11.   PRINT_TYPE(unsigned int);
  12.   PRINT_TYPE(unsigned long int);
  13.   PRINT_TYPE(unsigned long long int);
  14.   PRINT_VALUE(std::numeric_limits<int>::min());
  15.   PRINT_VALUE(std::numeric_limits<int>::max());
  16.   PRINT_VALUE(-2147483648);
  17.   PRINT_VALUE(-0x80000000);
  18.   PRINT_VALUE(-0x80000000l);
  19.   int v = -2147483648;
  20.   PRINT_VALUE(v);
  21.   v = -0x80000000;
  22.   PRINT_VALUE(v);
  23.   return -0x80000000 == -2147483648 ? 0 : 1;
  24. }
  25.  
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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int: i
long int: l
long long int: x
unsigned int: j
unsigned long int: m
unsigned long long int: y
std::numeric_limits<int>::min(): i(-2147483648)
std::numeric_limits<int>::max(): i(2147483647)
-2147483648: m(2147483648)
-0x80000000: j(2147483648)
-0x80000000l: m(2147483648)
v: i(-2147483648)
v: i(-2147483648)
https://ideone.com/ErUnhL
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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