Hi
I don't understand difference between int and long type ?
size of int = 4 bytesCode:#include <stdio.h> int main() { int x = 1; long y = 1; printf("size of int = %d bytes\n", sizeof(x)); printf(" X = %d \n", x); printf("size of long = %d bytes\n", sizeof(y)); printf(" Y = %d \n", y); return 0; }
X = 1
size of long = 4 bytes
Y = 1
gcc compiler allocate 4 bytes for both type int and long and they both store decimal number
What's difference between int and long type ?
Their guaranteed minimum ranges are different:
INT_MAX +32767
INT_MIN -32767
LONG_MAX +2147483647
LONG_MIN -2147483647
On some implementations these days, sizeof(long) might be 8 instead of 4. And of course, even if they happen to be identical in range and bytes as given by sizeof on a given implementation, they nonetheless remain different types.
Incidentally, you should be aware that the format specifiers for the type of the result of sizeof and for long aren't %d:
Code:printf("size of int = %zu bytes\n", sizeof(x)); printf(" X = %d \n", x); printf("size of long = %zu bytes\n", sizeof(y)); printf(" Y = %ld \n", y);
Last edited by laserlight; 11-02-2020 at 12:29 AM.
Look up a C++ Reference and learn How To Ask Questions The Smart WayOriginally Posted by Bjarne Stroustrup (2000-10-14)
