:
3.1.1 for
for , , . - . - (int) .
:
for (int counter=0;counter<10;counter++)
cout<<counter<<\n;
0 9. - counter 0. (counter<10) (counter++).
3.1.2 while
while, , .
:
int counter=0;
while (counter<10)
{
cout<<counter<<\n;
counter++;
}
3.1.3 dowhile
while , . . , , .
, . do..while. .
:
int counter=10;
do
{
cout<<counter<<\n;
counter--;
}
while (counter>0);
for
1. , 10 .
2. , . .
.
1 1
2 4
3 9
4 16
3. , .
4. , N . . (, , ).
.
-> 20
20 210
5. , N . . (, , ).
.
<Enter> -> 12
|
|
|
12 156
109. , N : 1, 3, 5, 7... . (, , ).
: 1,3,5,7...
-> 15
15 330
3.2.2 dowhile
, , . (, , ).
.
. .
-> 45
-> 23
-> 15
-> 0
: 3
: 83
: 27.67
2. , ( ). (, , ).
.
. .
-> 56
-> 75
-> 43
-> 0
: 75
3. , ( ). (, , ).
.
. .
-> 12
-> 75
-> 10
-> 9
-> 23
-> 0
: 9
4. , , . . , , .
<Enter>
-> 45
45 .
5. , "" 1 10 5 . (, , ).
" ".
"" 1 10.
5 .
<Enter>
-> 5
.
-> 3
! !
3.2.3 while
1. , = 2x-5x-8 -4 4. 0,5.
2. , "" . "" , 1-1/3+1/5-1/7+1/9-... Pi/4. (, , ).
|
|
|
-> 0.001
0.001000 3.143589
502 .
