stat.out

linux下的Ｃ语言开发

  1 (0  {0  /*-*/
  2 (0  {0  /********************************************************
  3 (0  {0   * Name: Calculator (Version 2)                         *
  4 (0  {0   *                                                      *
  5 (0  {0   * Purpose:                                             *
  6 (0  {0   *      Act like a simple 4 function calculator.        *
  7 (0  {0   *                                                      *
  8 (0  {0   * Usage:                                               *
  9 (0  {0   *      Run the program.                                *
 10 (0  {0   *      Type in an operator (+ - * /) and a number.     *
 11 (0  {0   *      The operaton will be performed on the current   *
 12 (0  {0   *      result and a new result displayed.              *
 13 (0  {0   *                                                      *
 14 (0  {0   *      Type 'Q' to quit.                               *
 15 (0  {0   *                                                      *
 16 (0  {0   * Notes: Like version 1 but written with a switch      *
 17 (0  {0   *      statement.                                      *
 18 (0  {0   ********************************************************/
 19 (0  {0  /*+*/
 20 (0  {0  #include <stdio.h>
 21 (0  {0  char  line[100];   /* line of text from input */
 22 (0  {0  
 23 (0  {0  int   result;      /* the result of the calculations */
 24 (0  {0  char  operator;    /* operator the user specified */
 25 (0  {0  int   value;       /* value specified after the operator */
 26 (0  {0  int main()
 27 (0  {1  {
 28 (0  {1      result = 0;    /* initialize the result */
 29 (0  {1  
 30 (0  {1      /* loop forever (or until break reached) */
 31 (0  {2      while (1) {
 32 (0  {2          printf("Result: %d\n", result);
 33 (0  {2          printf("Enter operator and number: ");
 34 (0  {2  
 35 (0  {2          fgets(line, sizeof(line), stdin);
 36 (0  {2          sscanf(line, "%c %d", &operator, &value);
 37 (0  {2  
 38 (0  {2          if ((operator == 'q') || (operator == 'Q'))
 39 (0  {2              break;
 40 (0  {3          switch (operator) {
 41 (0  {3          case '+':
 42 (0  {3              result += value;
 43 (0  {3              break;
 44 (0  {3          case '-':
 45 (0  {3              result -= value;
 46 (0  {3              break;
 47 (0  {3          case '*':
 48 (0  {3              result *= value;
 49 (0  {3              break;
 50 (0  {3          case '/':
 51 (0  {4              if (value == 0) {
 52 (0  {4                  printf("Error:Divide by zero\n");
 53 (0  {4                  printf("   operation ignored\n");
 54 (0  {3              } else
 55 (0  {3                  result /= value;
 56 (0  {3              break;
 57 (0  {3          default:
 58 (0  {3              printf("Unknown operator %c\n", operator);
 59 (0  {3              break;
 60 (0  {2          }
 61 (0  {1      }
 62 (0  {1      return (0);
 63 (0  {0  }
Total number of lines: 63
Maximum nesting of () : 2
Maximum nesting of {} : 4
Number of blank lines .................4
Number of comment only lines ..........20
Number of code only lines .............34
Number of lines with code and comments 5
Comment to code ratio 64.1%