Программы на языке C# (Страница 1 из 2)

#include <stdio.h>
#include <stdlib.h>
#define ROOM_FOR_NULL_STRING_TERMINATOR 1
#define MAX_CUSTOMER_NAME_LENGTH 35
int main( void )
{
 char customer_name[ MAX_CUSTOMER_NAME_LENGTH +  ROOM_FOR_NULL_STRING_TERMINATOR ];
 float total_sale;
 int percent_discount;
 FILE *customer_FILE_ptr, *bill_FILE_ptr;

 customer_FILE_ptr = fopen("a:\\chp06\\custinfo.dat","r");
 bill_FILE_ptr = fopen("a:\\ chp06\\bill.dat","w");
 while( fscanf(customer_FILE_ptr,"%s%f%d", customer_name, &total_sale, &percent_discount ) != EOF) 
{
  fprintf(bill_FILE_ptr,"Your order of \t\t$%8.2f\n",  total_sale);
  fprintf(bill_FILE_ptr,"is discounted to \t$%8.2f.\n\n",  total_sale * ((100 - percent_discount) * 0.01) );
 }
 fclose( customer_FILE_ptr );
 fclose( bill_FILE_ptr );
return( EXIT_SUCCESS );
}

#include <stdio.h>
#include <stdlib.h>

enum months { JAN = 1, FEB, MAR, APR, MAY, JUN, JLY, AUG, SEP, OCT, NOV, DEC,
                       M_MIN =  1,
                       M_MAX = 12                    };

int main( void )
{
  int J1SD,/* Хранит день недели 1 января */
      NDPM,/* Хранит число дней определенного месяца */
      D,                               /* Хранит дату  */
      LY; /* Указывает, является ли год високосным */

  enum months M;                       /* Хранит месяц */
  printf("You first need to tell the program "
          "\nwhat day of the week January 1st is on.");
  printf("\n\nType a decimal in the range 0 to 6.");
  printf("\n0 represents Monday, with 6 representing "
         "Sunday: ");
  scanf("%d",&J1SD);
  printf("\nCalendar Year? ");
  scanf("%d",&LY);
  printf("\n\n\n\t\t Calendar Year %d", LY);
  LY=LY % 4;
  for ( M = M_MIN; M <= M_MAX; M++ ) {
    switch( M ) {
     case JAN: printf("\n\n\n January \n");
               NDPM = 31;
               break;
     case FEB: printf("\n\n\n February \n");
               NDPM = LY ? 28 : 29;
               break;
     case MAR: printf("\n\n\n  March \n");
               NDPM = 31;
               break;
     case APR: printf("\n\n\n  April \n");
               NDPM = 30;
               break;
     case MAY: printf("\n\n\n   May  \n");
               NDPM = 31;
               break;
     case JUN: printf("\n\n\n  June  \n");
               NDPM = 30;
               break;
     case JLY: printf("\n\n\n  July  \n");
               NDPM = 31;
               break;
     case AUG: printf("\n\n\n August \n");
               NDPM = 31;
               break;
     case SEP: printf("\n\n\nSeptember\n");
               NDPM = 30;
               break;
     case OCT: printf("\n\n\n October \n");
               NDPM = 31;
               break;
     case NOV: printf("\n\n\nNovember \n");
               NDPM = 30;
               break;
     case DEC: printf("\n\n\nDecember \n");
               NDPM = 31;
               break;
    }

    printf("\nSUN  MON  TUE  WED  THU  FRI  SAT\n");
    printf("---  ---  ---  ---  ---  ---  ---\n");
    for ( D = 1; D <= 1 + J1SD * 5; D++ )
      printf( " ");

    for ( D = 1; D <= NDPM; D++ ) {
     printf("%2d",D);
        printf("%s",(D + J1SD) % 7 > 0 ? "   " : "\n ");
    }
    J1SD=(J1SD + NDPM) % 7;
  }
  return( EXIT_SUCCESS );
}

#include <stdio.h>
#define EXIT '1'
#define MAX_STRING 80
#define NULL_TERMINATOR 1
void convert_to_POSTFIX( float operand_A,
                         char  Operator,
                         float operand_B,
                         char  INFIX_expression[] );
void convert_to_PREFIX ( float operand_A,
                         char  Operator,
                         float operand_B,
                         char INFIX_expression[] );
void main( void )
{
  char Operator = ' ',        // Строчное o не годится
       space,
       WhichCONVERSION,   INFIX_expression[ MAX_STRING + NULL_TERMINATOR ];
  float operand_A, operand_B;
  while( Operator != EXIT ) {
    printf("\n\n\nEnter an INFIX expression, "   "i.e. 4.567 + 12.9: ");
    scanf("%f%c%c%f",&operand_A,&space,   &Operator,&operand_B);
    printf("\nType O for pOstfix, R for pRefix: ",    &WhichCONVERSION);
    scanf(" %c",&WhichCONVERSION);

    switch( WhichCONVERSION ) {
      case 'o' :
      case 'O' : convert_to_POSTFIX( operand_A, Operator,   operand_B,   INFIX_expression     );
                 break;
      case 'r' :
      case 'R' : convert_to_PREFIX ( operand_A, Operator,
                                     operand_B,
                                     INFIX_expression     );
                 break;
      default  : printf("\n\n >>> Conversion "
                        "NOT implemented");
                 Operator = '1';
    }
  }
}
void convert_to_POSTFIX( float operand_A,
                         char  Operator,
                         float operand_B,
                         char INFIX_expression[] )
{
  sprintf(INFIX_expression,"%5.2f %5.2f %c%c", operand_A,
          operand_B, Operator, '\0');
  printf("\nThe POSTFIX expression is %s",INFIX_expression);
}
void convert_to_PREFIX ( float operand_A,
                         char  Operator,
                         float operand_B,
                         char INFIX_expression[] )
{
  sprintf(INFIX_expression,"%c %5.2f %5.2f%c", Operator, operand_A, operand_B, '\0');
  printf("\nThe PREFIX expression is %s",INFIX_expression);
}

#include <stdlib.h>
#include <stdio.h>
main(int argc, char *argv[])
{
  int ArrayOffsetAddress;
  if( argc < 2 ) {
    printf("To run this program, after entering the "
           "\n\nprogram name, argvs, type one each of: "
           "\n\ncharacter, integer, float, and string "
           "\n\ndata types. ");
    exit( EXIT_FAILURE );
  }

  for( ArrayOffsetAddress = 0; ArrayOffsetAddress < argc; ArrayOffsetAddress++ )
    printf("The string pointed to by " "argv[%d] is %s, \n\n",
            ArrayOffsetAddress,argv[ArrayOffsetAddress]);
  return (0);
}

#include <stdio.h>
void Convert_to_Binary( int Value_To_Convert );
main()
{
  int Value_To_Convert;
  printf("Enter an integer value: \n");
  scanf("%d",&Value_To_Convert);
  Convert_to_Binary( Value_To_Convert );
  return (0);
}
void Convert_to_Binary( int Value_To_Convert )
{
  int offset = 0;
  int Hold_Bit_Conversion[50];
  while( Value_To_Convert != 0 ) {
    Hold_Bit_Conversion[ offset ]=( Value_To_Convert % 2);
    Value_To_Convert /= 2;
    offset++;
  }
  offset--;
  for(; offset >= 9; offset--)
    printf("%1d",Hold_Bit_Conversion[ offset ]);
    printf("\n");
}

#include <stdlib.h>
#include <stdio.h>
float CalculateSum( float FLOAT_var1, float FLOAT_var2 );
int main( void )
{
  float x = 10.0, y = 5.8, sum, FLOAT_trouble = 1.1;
  sum = CalculateSum( x, y );
  printf("The sum of %.2f + %.2f + local 1.1 is: %.2f",   x, y, sum);
  return EXIT_SUCCESS;
}
float CalculateSum( float FLOAT_var1,float FLOAT_var2 )
{
  return( FLOAT_var1 + FLOAT_var2 + FLOAT_trouble );
}

#include <stdio.h>
#include <string.h>
#define SUCCESSFUL_MATCH 0
#define TEST_STRING "INTEL"
void UnsizedArrayArgFunction  ( char test_string[  ] );
void DimensionedArrayArgFunction( char test_string[ 6 ] );
void PointerArrayArgFunction  ( char* test_string   );
void main( void )
{
 char test_1[ ] = "Motorola", test_2[6] = "IBM";
 char *test_3  = "INTEL";
 UnsizedArrayArgFunction  ( test_1 ); /* or &test_1[0] */
 DimensionedArrayArgFunction( test_2 ); /* or &test_2[0] */
 PointerArrayArgFunction  ( test_3 );
}
void UnsizedArrayArgFunction  ( char test_string[  ] )
{
 if(stricmp(test_string, TEST_STRING) == SUCCESSFUL_MATCH)
  printf("The string was found in 1st function call.");
}
void DimensionedArrayArgFunction( char test_string[ 6 ] )
{
 if(stricmp(test_string, TEST_STRING) == SUCCESSFUL_MATCH)
  printf("The string was found in 2nd function call.");
}
void PointerArrayArgFunction  ( char* test_string   )
{
 if(stricmp(test_string, TEST_STRING) == SUCCESSFUL_MATCH)
  printf("The string was found in 3rd function call.");
}

#include <stdio.h>
#include <string.h>
int main ( void )
{
  char *stack = "1 2 3 4 5 6";
  int  offset ;
  for( offset = (strlen(stack)-1); offset >= 0; offset-- )
    printf("%c", stack[ offset ]);
  printf("\n%s", stack);

  return( 0 );
}

#include <stdio.h>
#define NULL_STRING_TERMINATOR 1
#define MAX_VALID_CHARS       65
#define MAX_HOUSES            10
struct  house_tag {
  char  owner [ MAX_VALID_CHARS + NULL_STRING_TERMINATOR ],
        street[ MAX_VALID_CHARS + NULL_STRING_TERMINATOR ],
        city  [ MAX_VALID_CHARS + NULL_STRING_TERMINATOR ];
  int   bedrooms;
  float price;
};
void main( void )
{
  struct house_tag House_Catalog[ MAX_HOUSES ];
  int Which_House;
  float float_bug_fix; /* для обхода недостатка компилятора, который не
                        * позволяет читать плавающие члены непосредственно */
  for( Which_House = 0; Which_House < MAX_HOUSES;
       Which_House++ ) {
    printf("Who currently owns the house? ");
    gets(House_Catalog[ Which_House ].owner);
    printf("\nThe house is on which street? ");
    gets(House_Catalog[ Which_House ].street);
    printf("\nThe house is in which city? ");
    gets(House_Catalog[ Which_House ].city);
    printf("\nThe house has how many bedrooms? ");
    scanf("%d", &House_Catalog[ Which_House ].bedrooms);
    printf("\nWhat is the selling price? ");
    scanf("%f", &float_bug_fix);
    House_Catalog[ Which_House ].price = float_bug_fix;
    printf("\n\n");
    flushall();
  }
  for( Which_House = 0; Which_House < MAX_HOUSES;
       Which_House++ ) {
    printf("\f");
    printf("================ HOUSE 1 ================ "
           "\nOwner:\t\t%25s"
           "\nStreet:\t\t%25s"
           "\nCity:\t\t%25s"
           "\nBedrooms:\t%25d"
           "\nPrice:\t\t%25.2f",
           House_Catalog[ Which_House ].owner,
           House_Catalog[ Which_House ].street,
           House_Catalog[ Which_House ].city,
           House_Catalog[ Which_House ].bedrooms,
           House_Catalog[ Which_House ].price);
  }
}

#include <stdio.h>
#define NULL_STRING_TERMINATOR 1
#define MAX_VALID_CHARS       65
struct  house_tag {
  char  owner [ MAX_VALID_CHARS + NULL_STRING_TERMINATOR ],
        street[ MAX_VALID_CHARS + NULL_STRING_TERMINATOR ],
        city  [ MAX_VALID_CHARS + NULL_STRING_TERMINATOR ];
  int   bedrooms;
  float price;
} A_House;
void main( void )
{
  printf("Who currently owns the house? ");
  gets(A_House.owner);
  printf("\nThe house is on which street? ");
  gets(A_House.street);
  printf("\nThe house is in which city? ");
  gets(A_House.city);
  printf("\nThe house has how many bedrooms? ");
  scanf("%d", &A_House.bedrooms);
  printf("\nWhat is the selling price? ");
  scanf("%f", &A_House.price);
  printf("\f");
  printf("================ HOUSE 1 ================"
         "\nOwner:\t\t%25s"
         "\nStreet:\t\t%25s"
         "\nCity:\t\t%25s"
         "\nBedrooms:\t%25d"
         "\nPrice:\t\t%25.2f",

         A_House.owner,A_House.street,A_House.city,
         A_House.bedrooms,A_House.price);
}