, , , . . , ( ). , . .
| 1 |
| 2 |
| (1) |
| (0) |
| 2 |
| 1 |
| (1) |
| (0) |
, , . , , .
. . , , . , .
if
if (. . ). :
| (1) |
| (0) |
:
if ( )
1
else
2
:
if ( )
, . 1: .
int a = 5, b = 10, max;
max = a;
if (b > a)
max = b;
// 2:
max = a;
else
max = b;
int a = 5, b = 10, = 7, max;
// 1:
if (a >= b && a >= c)
max = a;
if (b >= a && b >= c)
max = b;
if (c >= a && c >= b)
max = c;
// 2:
max = a;
else
if (b >= c)
max = b;
else
max = c;
// 3:
if (a >= b)
|
|
|
if (a >= c)
max = a;
else
max = c;
}
else
{
if (b >= c)
max = b;
else
max = c;
}
else max = c; 2 , :
// 4:
if (a >= b)
{
if (a >= c)
max = a;
}
else
if (b >= c)
max = b;
max = c;
if (a >= b)
if (a >= c)
max = a;
else
if (b >= c)
max = b;
max = a;
if (b > max)
max = b;
if (c > max)
max = c;
if, else-if, :
if ( 1)
1
else if ( 2)
2
else if ( 3)
3
...
else if ( N)
N
else
N+1
if . . , .
else- , . else- , () . else-if:
max = a;
else if (b >= a && b >= c)
max = b;
else
max = c;
switch
switch, , . :
switch ()
{
case 1: [ 1]
case 2: [ 2]
case 3: [ 3]
...
case N: [ N]
[default: N+1]
}
, . , , .
switch:
| 1 |
| N+1 |
| 1 |
| 2 |
| 2 |
| N |
| N |
| ... |
| 3 |
| 3 |
|
|
|
, . , . . , , default, . , . break. . : .
#include <stdio.h>
void main()
{
int number;
printf( :\n);
scanf(%d, &number);
switch (number)
{
case 1: printf(); break;
case 2: printf(); break;
case 3: printf(); break;
case 4: printf(); break;
case 5: printf(); break;
case 6: printf(); break;
case 7: printf(); break;
default: printf( ); break;
}
}
case. case :
#include <stdio.h>
void main()
{
int number;
printf( :\n);
scanf(%d, &number);
switch (number)
{
case 1: case 2: case 3: case 4: case 5:
printf(); break;
case 6: case 7:
printf(!); break;
default: printf( ); break;
}
}
, . ( ), , . : , . . , , .
| . |
| (1) |
| (0) |
| . |
| (1) |
| (0) |
( ), ( ). , , , .
, , , , . .
, .
while
:
while ( )
, ( ). , , , .
. , .
|
|
|
1: 10000$ 10% . ?
#include <stdio.h>
void main()
{
float sum = 10000;
float sum2 = 2*sum;
int YearCount = 0;
while(sum < sum2)
{
sum += sum*0.1;
YearCount++;
}
printf( = %d, YearCount);
}
2: .
#include <stdio.h>
void main()
{
int number, half, div;
scanf(%d, &number);
half = number/2;
div =2;
while(div <= half)
{
if(number % div == 0)
printf(%d , div);
div++;
}
}
