
Лабараторки_Плотников(теория_и_задания) / Лабораторная работа ППП 4
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-
.
:
= ()?
1:
2
12.
int value = (x < 25) ? 5:15
|
x < 25 |
- |
. |
true, |
- |
value
5,
– 15.
goto
goto (
)
-
,
,
,
-
.
:
:
. . .
goto
. . .
- .
C#,
,
-
.
-
goto,
.
-
goto
,
-
,
,
goto,
-
68

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,
.
goto
if,
,
.
.
.
switch (
)
-
.
-
,
-
if,
- switch.
.
switch ()
{
case 1:
1 break;
case 2:
2
break;
. . .
default
n
break;
}
. -
.
69

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,
,
break.
break switch.
,
default.
. switch
:
switch
(char, byte, short
;
;
case
switch; switch
;
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ocu -tra |
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-
,
,
, -
-
-
int)
,
,
break
.
13. int n;
m1: Console.WriteLine(""); int a = int.Parse(( Console.ReadLine()));
switch (a)
{
case 1:
n = 10;
break;
70

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case 2:
case 3:
n = 20;
break;
default:
n = 0;
break;
}
Console.WriteLine("a = " + a +" n = " + n); if (a != 0) goto m1;
Console.Read();
-
,
.
switch
.
1,
n
10
.
2
3,
-
n
20
-
.
n
0.
,
-
,
0.
switch -
switch.
-
.
switch ,
.
switch
-
,
.
,
71

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Visual Basic
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– ,
-
-
.
.
-
.
3.1
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, |
1 |
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( ) |
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InputB x |
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2 |
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( ) |
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MsgBox |
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3
X=A
4
if
72

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ocu -tra |
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-
.
–
-
.
()
-
.
3.1.
-
,
,
-
.
14.
X , Y Z.
F, .
.
F = max(X, Y,
Z). :
,
-
.
.
X ,Y
Z
-
.
X
Y.
-
X > Y
(
),
-
,
X
c Z.
-
X > Z
,
F
X
–
Z.
X > Y,
(
).
73

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,
a.
float f;
m1: Console.WriteLine(" X"); float x = float.Parse((Console.ReadLine()));
Console.WriteLine(" Y");
float y = float.Parse((Console.ReadLine()));
Console.WriteLine(" Z");
float z = float.Parse((Console.ReadLine()));
if (x > y)
74

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{
if (x > z) f=x; else f=z;
}
else
{ if(y>z) f=y; else f=z; } Console.WriteLine('\n' + " : X= " + x + " y= " + y + " z= " + z +
'\n'+ " : F= " + f); Console.WriteLine('\n' + "
" + "
." + '\n'+ "
Enter.");
string p = Console.ReadLine(); if (p != "") goto m1;
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14 -
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75

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, c
-
15.
. 3.1
76

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buy |
NOW! |
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to |
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ocu -tra |
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.
,
N
,
(x, y) c
(
.
3.1).
.
.
X Y,
.
Y ( Y)
.
,
Y > 0
(
),
Y
,
,
X
,
.
.
N = 4.
Y > 0
(
),
X,
,
N = 1, N = 2
N = 3.
77