, .
1.
#pragma hdrstop
#include<stdio.h>
#include<conio.h>
//---------------------------------------------------------------------------
#pragma argsused
int main(int argc, char* argv[])
{
char slash='/';
short day=15;
short month=9;
int year=2012;
//char* name="Yulia";
/*char name[80]="Yulia";*/
char name[]="Yulia";
int myAge=19;
float myWeightInKg=57.2;
long myAgeInDays=7277;
printf("Anketa\n\n");
printf("Date=%2d%c%2d%c%d\n",day,slash,month,slash,year);
//printf("Date=%2d\/%2d\/%d\n",day,month,year);//
printf("Name=%s\n",name);
printf("My age =%d\n", myAge);
printf("My weight in kilograms=%.1f\n", myWeightInKg);
printf("My age in days=%d\n", myAgeInDays);
getch();
return 0;
}
, . char () slash. char . , () PC ASCII. , . , .. , slash /, . . char, ( ) \0. , , . name , Yulia.
printf :
printf("My age =%d\n", myAge);
%d, , printf(), myAge. printf() , , , . , , , . d, , . printf() %c, %f char float . \n, . printf() , . : %.1f. myWeightInKg . () , . , , : %2d.
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. , . , /* */. //, . , , name.
2.
#pragma hdrstop
//---------------------------------------------------------------------------
#pragma argsused
#include <stdio.h>
#include <conio.h>
int main()
{
float a,b,c;
printf("Adding two numbers\n\n");
printf("Enter first summand\n");
scanf("%f",&a);
printf("Enter second summand\n");
scanf("%f",&b);
c=a+b;
printf("%.2f+%.2f=%.2f \n",a,b,c);
getch();
return 0;
}
scanf(), . , ( ). , , . :
scanf("%f",&a);
&a a scanf().
3.
#pragma argsused
#include <stdio.h>
#include <conio.h>
int main(int argc, char* argv[])
{
char slash = '/';
short chislo = 1;
short month = 9;
int year =2010;
long population = 10000000L;
float pi = 3.14159;
double velosity =299791336.2;
long double lightYear = 9.5e15;
printf("Date = %02d%c%02d%c%d\n",chislo,slash, month, slash, year);
printf("Population of the Belarus = %ld\n",population);
printf("Pi = %f\n",pi);
printf("Velocity of light = %13.2lf meter/sec\n",velosity);
printf("One light year = %.0Lf meter\n",lightYear);
getch();
return 0;
}
.
1. 1, ( 1). ( , 2 ). float int. . 3.
2. 2, ( 2). .
3. 1, .
4. * , . , r2 r*r.
1. | d=a+b-c |
2. | d=a*b-c |
3. | d=a-b-c |
4. | d=(a+b)*c |
5. | d=(a-b)*c |
6. | d=a*b+c |
7. | d=a+b*c |
8. | d=2a+3b+4c |
9. | d=5a*b-3c |
10. | d=6a-2b+3c |
11. | d= (2a+6b)*c |
12. | d=4a+3c*b |
13. | d=2a+b-c |