Book of tasks on programming. Old version

 

 by Aliaksandr N. Prykhodzka

 

system, tree, book of tasks on programming, code, uses, DVD, перемещение максимального элемента, symbol, электронный репетитор, object, перемещение минимального элемента
 

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Pascal. Pa.3. Nest of tasks. Operator For

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.1     Answer      JSP-analogue

Determine a sequence of numbers produced by this program


program Pr;
var
    k : integer;
begin
    for k:=1 to 2 do writeln(k);
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.2     Answer      JSP-analogue

Determine a sequence of numbers produced by this program


program Pr;
var
    k : integer;
begin
    for k:=3 to 5 do writeln(k);
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.3     Answer      JSP-analogue

Determine a sequence of numbers produced by this program


program Pr;
var
    k : integer;
begin
    for k:=-1 to 2 do writeln(k);
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.4     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 2 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.5     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 3 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.6     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=2 to 3 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.7     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=3 to 5 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.8     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 3 do xx:=xx+1;
    for i:=1 to 6 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.9     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 1 do xx:=xx+1;
    for i:=1 to 2 do xx:=xx+1;
    for i:=1 to 3 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.10     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 3 do xx:=xx+1;
    for i:=1 to 2 do xx:=xx+1;
    for i:=1 to 1 do xx:=xx+1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.11     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 2 do xx:=xx+1;
    for i:=1 to 2 do xx:=xx+2;
    for i:=1 to 2 do xx:=xx+3;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.12     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 4 do xx:=xx+1;
    for i:=1 to 2 do xx:=xx-1;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.13     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=0;
    for i:=1 to 2 do xx:=xx+i;
    for i:=1 to 3 do xx:=xx+i;
end.

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

Pa.3.14     Answer      JSP-analogue

Determine a value of the variable xx after executing the following program


Program AA;
var
    xx, i : integer;
begin
    xx:=1;
    for i:=1 to 2 do xx:=xx*i;
    for i:=1 to 3 do xx:=xx*i;
end.

 

©   Aliaksandr Prykhodzka    1993 - 2007