Code:
#include stdio.h>
#define SIZE(x) sizeof(x)*8
void signed_one(int);
void unsigned_one(int);
void main()
{
printf("\nrange of int");
signed_one(SIZE(int));
printf("\nrange of unsigned int");
unsigned_one(SIZE(unsigned int));
printf("\nrange of char");
signed_one(SIZE(char));
printf("\nrange of unsigned char");
unsigned_one(SIZE(unsigned char));
printf("\nrange of short");
signed_one(SIZE(short));
printf("\nrange of unsigned short");
unsigned_one(SIZE(unsigned short));
}
/* RETURNS THE RANGE SIGNED*/
void signed_one(int count)
{
int min, max, pro;
pro = 1;
while (count != 1)
{
pro = pro << 1;
count--;
}
min = ~pro;
min = min + 1;
max = pro - 1;
printf("\n%d to %d", min, max);
}
/* RETURNS THE RANGE UNSIGNED */
void unsigned_one(int count)
{
unsigned int min, max, pro = 1;
while (count != 0)
{
pro = pro << 1;
count--;
}
min = 0;
max = pro - 1;
printf("\n%u to %u", min, max);
}
Output:
range of int
-2147483648 to 2147483647
range of unsigned int
0 to 4294967295
range of char
-128 to 127
range of unsigned char
0 to 255
range of short
-32768 to 32767
range of unsigned short
0 to 65535
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