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fig04_07.mod2.c (1074B)

      1 /* Esercizio 4.30 (2) */
      2 
      3 #include <stdio.h>
      4 
      5 int main()
      6 {
      7    int grade;
      8    int aCount = 0, bCount = 0, cCount = 0, dCount = 0, fCount = 0;
      9 
     10    printf("Enter the letter grades.\n");
     11    printf("Enter the EOF chatacter to end input.\n");
     12 
     13    while (( grade = getchar()) != EOF ) {
     14 
     15       if (grade == 'A' || grade == 'a') {
     16          ++aCount;
     17 	 continue;
     18       }
     19       if (grade == 'B' || grade == 'b') {
     20 	 ++bCount;
     21 	 continue;
     22       }
     23       if (grade == 'C' || grade == 'c') {
     24 	 ++cCount;
     25 	 continue;
     26       }
     27       if (grade == 'D' || grade == 'd') {
     28 	 ++dCount;
     29 	 continue;
     30       }
     31       if (grade == 'F' || grade == 'f') {
     32 	 ++fCount;
     33 	 continue;
     34       }
     35       if (grade == '\n' || grade == '\t' || grade == ' ') 
     36 	 continue;
     37 
     38       printf("Incorrect letter grade entered.");
     39       printf("Enter a new grade.\n");
     40 
     41    } /* end of while */
     42 
     43    printf("Totals for each letter grade are:\n");
     44    printf("A: %d\n", aCount);
     45    printf("B: %d\n", bCount);
     46    printf("C: %d\n", cCount);
     47    printf("D: %d\n", dCount);
     48    printf("F: %d\n", fCount);
     49 
     50    return 0;
     51 } /* E0F main */
     52