/home/toolbox/public_html/solutions/107/10783/b.c
1 #include <stdio.h>
2 #include <string.h>
3 #include <sys/types.h>
4 #include <sys/stat.h>
5 #include <fcntl.h>
6 #include <stdlib.h>
7 #include <math.h>
8 #include <stdint.h>
9
10 #define TRUE (1 == 1)
11 #define FALSE (1 != 1)
12
13 #define DEBUG if (FALSE)
14
15 /* fprintf(stderr, "functionName: message", varslist); */
16
17 /*
18 * Author: Isaac Traxler
19 * Date: 2014-10-28
20 * Purpose: fun
21 * Problem: 10783 - Odd Sum
22 */
23
24 /*
25 * This template reads data a specified number of times.
26 */
27
28 int numberOfTimes;
29 int a;
30 int b;
31
32 void init()
33 {
34 /* FUNCTION init */
35 scanf("%d ", &numberOfTimes);
36 } /* FUNCTION init */
37
38 void dump()
39 {
40 /* FUNCTION dump */
41 } /* FUNCTION dump */
42
43 void getInput()
44 {
45 /* FUNCTION getInput */
46
47 scanf(" %d %d ", &a, &b);
48 } /* FUNCTION getInput */
49
50 void process()
51 {
52 /* FUNCTION process */
53 int sum = 0;
54 int i;
55
56 // if a is even
57 if (a % 2 == 0)
58 {
59
60 // then the smallest odd integer we want is one greater than a
61 a++;
62 }
63
64
65 // go through every odd number from a to b
66 for (i = a; i <= b; i += 2)
67 {
68
69 // and add it to the running sum
70 sum += i;
71 }
72
73 printf("%d\n", sum);
74 } /* FUNCTION process */
75
76 int main ()
77 {
78 /* main */
79 int i;
80
81 init();
82 for (i=0; i<numberOfTimes; i++)
83 {
84 /* while */
85 getInput();
86 DEBUG printf("%d %d - ", a, b);
87 printf("Case %d: ", i);
88 process();
89 } /* while */
90
91 return EXIT_SUCCESS;
92 } /* main */
93
94