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This article mainly introduces the data types of C++, the article is very detailed, has a certain reference value, interested friends must read it!

Data type

C++ stipulates that when creating a variable or constant, you must specify the appropriate data type, otherwise you cannot allocate memory space to the variable.

Integer: data type occupies space range short (short integer) 2 bytes-2 ^ 15 ~ 2 ^ 15-1int (integer) 4 bytes-2 ^ 31 ~ 2 ^ 31-1long (long integer) 4 bytes / 8 bytes-2 ^ 31 ~ 2 ^ 31-1long long (long integer) 8 bytes-2 ^ 63 ~ 2 ^ 63-1#includeusing namespace std;int main1 () {/ / integer / / 1. Short integer short num1 = 10; / / short num1 = 32768; / / 2. Integer int num2 = 10; / / 3. Long integer long num3 = 10; / / 4. Long integer long long num4 = 10; cout

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