The-C-Programming-Language/2-1.c at master · thesstefan/The-C-Programming-Language · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
#include <stdio.h>
#include <stdlib.h>

unsigned long long pow2(int exponent) {
     unsigned long long pow = 1;
     while (exponent > 0) {
        pow *= 2;
        exponent--;
     }
     return pow;
}

int main()
{
    unsigned long long max_range = 0, min_range = 0;

    //char
    min_range = -pow2((sizeof(char) * 8) - 1);
    max_range =  pow2((sizeof(char) * 8) - 1) - 1;

    printf("\nCHAR : %lld    ----    %lld\n", min_range, max_range);

    //unsigned char
    min_range = 0;
    max_range = pow2(sizeof(unsigned char) * 8) - 1;

    printf("UNSIGNED CHAR : %lld    ----    %lld\n", min_range, max_range);

    //short
    min_range = -pow2((sizeof(short) * 8) - 1);
    max_range =  pow2((sizeof(short) * 8) - 1) - 1;

    printf("SHORT : %lld    ----    %lld\n", min_range, max_range);

    //unsigned short
    min_range = 0;
    max_range = pow2(sizeof(unsigned short) * 8) - 1;

    printf("UNSIGNED SHORT : %lld    ----    %lld\n", min_range, max_range);

    //int
    min_range = -pow2((sizeof(int) * 8) - 1);
    max_range =  pow2((sizeof(int) * 8) - 1) - 1;

    printf("INT : %lld    ----    %lld\n", min_range, max_range);

    //unsigned int
    min_range = 0;
    max_range = pow2(sizeof(unsigned int) * 8) - 1;

    printf("UNSIGNED INT : %lld    ----    %lld\n", min_range, max_range);

    //long
    min_range = -pow2((sizeof(long) * 8) - 1);
    max_range =  pow2((sizeof(long) * 8) - 1) - 1;

    printf("LONG : %lld    ----    %lld\n", min_range, max_range);

    //unsigned long
     min_range = 0;
     max_range = (pow2(sizeof(unsigned long) * 4) - 1) * (pow2(sizeof(unsigned long) * 4) + 1);

    printf("UNSIGNED LONG : %llu    ----    %llu\n", min_range, max_range);

    //long long
    min_range = -pow2((sizeof(long long) * 8) - 1);
    max_range =  pow2((sizeof(long long) * 8) - 1) - 1;

    printf("LONG LONG : %lld    ----    %lld\n", min_range, max_range);

    //unsigned long long
    min_range = 0;
    max_range = (pow2(sizeof(unsigned long long) * 4) - 1) * (pow2(sizeof(unsigned long long) * 4) + 1);

    printf("UNSIGNED LONG LONG : %llu    ----    %llu\n", min_range, max_range);

    return 0;
}