+ = (, , , )
n + = 13 , n=n+13
- = ( , , , )
den - = 20 den = den-20
* = ( )
n*=2 n = n*2
/ = .. ..
% = .. ..
<<=; >>=; | =; & =; ^ =; ~=;
, . ;. .
. . ( , , ). . . ;.
:
1. ;
2. int x, y;
3. count = 0.0;
4. ( )
sum = sum+count;
var = (var + 10)/4;
5.
printf(" \n");
6. ,
x=7, y=10;
:
, {...}.
if... else.
. , .
if( ) i f( ) {
; ;
}
1.
If
if( ) i f( ) {
1; ;
else 2; }
else {
; }
2.
if
else
, .
If( 1)
1;
Else if( 2)
2;
Else if( 3)
3;
Else 4;
else if, .
if( 1) {
If( 2)
1;
}
Else 2;
//
#include <stdio.h>
#define LIMIT 12600
#define MAX 25200
#define NORMA 60
#define PEOPLE 20
void main(void)
{
float kwh; //
float bill; //
int p,house;
printf(" /.\n);
scanf("%f",&kwh);
printf(" .\n);
|
|
scanf("%d",&p);
house=NORMA+PEOPLE*p;
if(kwh<=house)
bill=kwh*LIMIT;
else
bill= house*LIMIT + (kwh-house)*MAX;
printf(" %f %f.\n",kwh,bill);
}