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August 31, 2018 01:01
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NCK DELPHI FINAL
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program First; | |
{$APPTYPE CONSOLE} | |
// Дан одномерный массив Yn. | |
// Найти минимальный среди положительных элементов | |
// с четными номерами. | |
// Удалить каждый третий элемент. | |
(* | |
* Тестовые входные данные: | |
* | |
* 17 | |
* 35 -12 -24 352 -5 -5 61 -17 52 -16 -34 -43 -36 834 74 234 215 | |
* | |
*) | |
uses | |
SysUtils, Windows; | |
var | |
y : array of integer; | |
yn, i, offset, j, min : integer; | |
wr: boolean; | |
begin | |
SetConsoleCP( 1251 ); | |
SetConsoleOutputCP( 1251 ); | |
write( 'Введите размер массива: ' ); | |
read( yn ); | |
Setlength( y , yn ); | |
writeln( 'Введите массив: ' ); | |
for i := 0 to yn - 1 do read( y[ i ] ); | |
writeln; | |
write( '{ ' ); | |
for i := 0 to yn - 1 do write( y[ i ] , ' ' ); | |
write( '}' ); | |
writeln; | |
min := -1; | |
i := 0; | |
offset := 0; | |
wr := false; | |
while i < yn do begin | |
if ( i mod 2 = 0 ) and ( y[ i ] > 0 ) and ( ( y[ i ] < min ) or ( min = -1 ) ) then min := y[ i ]; | |
y[ i - offset ] := y[ i ]; | |
if ( ( i + 1 ) mod 3 = 0 ) then inc( offset ); | |
if ( wr ) then begin | |
writeln(''); | |
writeln('Удален элемент x[' , ( i - 1 ) , '] = ' , y[ i - 1 ]); | |
wr := false; | |
end; | |
wr := ( ( i + 1 ) mod 3 = 0 ); | |
inc( i ); | |
end; | |
writeln; | |
if ( min <> -1 ) then writeln( 'Минимальный среди положительных элементов: ' , min ) else writeln('Минимальный среди положительных элементов не найден');; | |
write( '{ ' ); | |
for i := 0 to yn - offset - 1 do write( y[ i ] , ' ' ); | |
write( '}' ); | |
readln; | |
end. |
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program Second; | |
{$APPTYPE CONSOLE} | |
// Сформировать одномерный массив. | |
// в который войдут количество целочисленных элементов | |
// матрицы X (n x m) | |
// из нечетных строк | |
(* | |
* Тестовые входные данные: | |
* | |
* 4 | |
* 4 | |
* 2.53 5 63 53.53 | |
* 1.15 1 7 56.465745 | |
* 2.43 2 24.263 6.74 | |
* 2.54 3 75.7457 2 | |
* | |
*) | |
uses | |
SysUtils, Windows, Math; | |
var | |
x : array of array of extended; | |
y : array of integer; | |
xn, xm, i, j, yn, s : integer; | |
find: boolean; | |
begin | |
SetConsoleCP( 1251 ); | |
SetConsoleOutputCP( 1251 ); | |
write( 'Введите количество строк: ' ); | |
read( xn ); | |
write( 'Введите количество столбцов: ' ); | |
read( xm ); | |
Setlength( x , xn , xm ); | |
find := false; | |
for i := 0 to xn - 1 do | |
begin | |
writeln('Введите ' , xm , ' элементов массива строки ' , i , ': '); | |
for j := 0 to xm - 1 do read( x[ i ][ j ] ); | |
end; | |
writeln; | |
for i := 0 to xn - 1 do | |
begin | |
for j := 0 to xm - 1 do write( x[ i ][ j ]:8:2 , #9 ); | |
writeln; | |
end; | |
writeln; | |
yn := xn div 2; | |
Setlength( y, yn ); | |
i := 0; | |
while i < xn do | |
begin | |
s := 0; | |
for j := 0 to xm - 1 do | |
if ( x[ i + 1 ][ j ] = Ceil( x[ i + 1 ][ j ] ) ) then inc( s ); | |
find := (s <> 0) or find; | |
y[ (i div 2) ] := s; | |
i := i + 2; | |
end; | |
if ( find ) then | |
begin | |
write( '{ ' ); | |
for i := 0 to yn - 1 do write( y[ i ] , ' ' ); | |
write( '}' ); | |
end | |
else | |
begin | |
write('Целочисленных элементов не найдено'); | |
end; | |
readln; | |
end. |
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program Third; | |
{$APPTYPE CONSOLE} | |
// Все элементы матрицы X (n x n), | |
// лежащие ниже главной диагонали, | |
// заменить средним арифметическим отрицательных элементов, | |
// стоящих в четных столбцах. | |
(* | |
* Тестовые входные данные: | |
* | |
* 4 | |
* 1 -1 -42 32 | |
* 23 -29 65 -5 | |
* 12 -58 -5 -22 | |
* 23 52 8 9 | |
* | |
*) | |
uses | |
SysUtils, Windows; | |
var | |
x : array of array of extended; | |
xn, i, j, c : integer; | |
s, a : extended; | |
begin | |
SetConsoleCP( 1251 ); | |
SetConsoleOutputCP( 1251 ); | |
write( 'Введите размер матрицы: ' ); | |
read( xn ); | |
Setlength( x , xn , xn ); | |
for i := 0 to xn - 1 do | |
begin | |
writeln('Введите ' , xn , ' элементов массива строки ' , i , ': '); | |
for j := 0 to xn - 1 do | |
read( x[ i ][ j ] ); | |
end; | |
writeln; | |
for i := 0 to xn - 1 do | |
begin | |
for j := 0 to xn - 1 do | |
write( x[ i ][ j ]:8:2 , #9 ); | |
writeln; | |
end; | |
writeln; | |
s := 0; | |
c := 0; | |
for i := 0 to xn - 1 do | |
begin | |
j := 0; | |
while j < xn do | |
begin | |
if ( x[ i ][ j ] < 0 ) then s := s + x[ i ][ j ]; | |
if ( x[ i ][ j ] < 0 ) then inc( c ); | |
j := j + 2; | |
end; | |
end; | |
if ( c <> 0 ) then a := s / c else a := 0; | |
for i := 0 to xn - 1 do | |
for j := 0 to i - 1 do | |
x[ i ][ j ] := a; | |
for i := 0 to xn - 1 do | |
begin | |
for j := 0 to xn - 1 do | |
write( x[ i ][ j ]:8:2 , #9 ); | |
writeln; | |
end; | |
readln; | |
end. |
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