commit ad9df424694f43f76e1607c0f8c0a23b79d8cf87
parent 5c9808785b68ed51c3b26dc021ca0655a38ea66c
Author: Martin J. Klöckner <martin.cachari@gmail.com>
Date: Sat, 14 Nov 2020 12:36:37 -0300
Update: Added ej9.c & reorganized directories
Diffstat:
| A | guia02/ej9.c | | | 97 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 97 insertions(+), 0 deletions(-)
diff --git a/guia02/ej9.c b/guia02/ej9.c
@@ -0,0 +1,97 @@
+/* Reads a number of credits from stdin and prints the corresponding
+ grade of the Engineer in stdout*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#define MAX_LEN 5 // max digits of the entered degree;
+#define ERR_MSG_LEN "El numero ingresado contiene demasiados digitos"
+#define ERR_NEG_MSG "El numero ingresado no es valido"
+
+#define FST_YR 52
+#define SND_YR 104
+#define TRD_YR 156
+
+#define FST_MSG "Primer año"
+#define SND_MSG "Segundo año"
+#define TRD_MSG "Tercer año"
+#define FTH_MSG "Cuarto año"
+
+typedef enum {
+ FIRST, SECOND, THIRD, FOURTH
+} year_t;
+
+
+void clean(char *buffer)
+{
+ for(size_t i = 0; i < MAX_LEN; i++)
+ buffer[i] = '\0';
+}
+
+
+int main(void) {
+
+ /* Defining variables */
+ char buffer[MAX_LEN];
+ int c, credits, i;
+ year_t year;
+ i = 0;
+
+ /* Cleaning buffer in case it contains a random number */
+ clean(buffer);
+
+ /* Reading one char from stdin and storing it on a buffer until EOF */
+ while(((c = getchar()) != EOF) && c != '\n') {
+ if(i < MAX_LEN) {
+ buffer[i] = c;
+ i++;
+ } else if (i >= MAX_LEN) {
+ fprintf(stderr, ERR_MSG_LEN"\n");
+ return 1;
+ }
+ }
+
+ /* Converting the first portion of buffer to int with atoi()
+ and cleaning the buffer */
+ credits = atoi(buffer);
+ clean(buffer);
+
+ /* Checks if credits is a valid number */
+ if(credits < 0) {
+ fprintf(stderr, ERR_NEG_MSG"\n");
+ return 1;
+ }
+
+ /* Evaluating the numbers of credits to match the current year */
+ if (credits <= FST_YR)
+ year = FIRST;
+ else if ((credits > FST_YR) && (credits <= SND_YR))
+ year = SECOND;
+ else if ((credits > SND_YR) && (credits <= TRD_YR))
+ year = THIRD;
+ else if (credits > TRD_YR)
+ year = FOURTH;
+
+ /* Printing to stdout the corresponding year */
+ switch (year)
+ {
+ case FIRST:
+ printf(FST_MSG"\n");
+ break;
+ case SECOND:
+ printf(SND_MSG"\n");
+ break;
+ case THIRD:
+ printf(TRD_MSG"\n");
+ break;
+ case FOURTH:
+ printf(FTH_MSG"\n");
+ break;
+ }
+ return 0;
+}
+
+
+
+
