５人の学生を 身長で ソート (配列)
明解Ｃ言語 入門編 > 12. 構造体 >
５人の学生を 身長で ソート (配列)
C
#include <stdio.h>
#include <string.h>#define NINSU 5
void swap(int* x, int* y)
{
int tmp = *x;
*x = *y;
*y = tmp;
}void swaps(char sx[], char sy[])
{
char tmp[256];strcpy(tmp, sx);
strcpy(sx, sy);
strcpy(sy, tmp);
}void sort(int data[], char name[][20], int n)
{
int k = n - 1;
while (k >= 0)
{
int i, j;
for (i = 1, j = -1; i <= k; i++)
{
if (data[i - 1] > data[i])
{
j = i - 1;
swap(&data[i], &data[j]);
swaps(name[i], name[j]);
}
}
k = j;
}
}int main(int argc, char* argv[])
{
int i;
int height[] = {178, 175, 173, 165, 179};
char name[][20] = {"Sato", "Sanaka", "Takao", "Mike", "Masaki"};puts("ソート前：");
for (i = 0; i < NINSU; i++)
printf("%2d:%-8s%4d\n", i + 1, name[i], height[i]);
puts("");sort(height, name, NINSU);
puts("ソート後：");
for (i = 0; i < NINSU; i++)
printf("%2d:%-8s%4d\n", i + 1, name[i], height[i]);return 0;
}
実行結果
R:\>lesson089\project1.exe
ソート前：
1:Sato 178
2:Sanaka 175
3:Takao 173
4:Mike 165
5:Masaki 179ソート後：
1:Mike 165
2:Takao 173
3:Sanaka 175
4:Sato 178
5:Masaki 179
Delphi
program Project1;{$APPTYPE CONSOLE}
uses
SysUtils;const
NINSU = 5;procedure swap(var nx:Integer; var ny:Integer);
var
tmp: Integer;
begin
tmp := nx;
nx := ny;
ny := tmp;
end;procedure swaps(var sx:String; var sy:String);
var
tmp: String;
begin
tmp := sx;
sx := sy;
sy := tmp;
end;procedure sort(var data:array of Integer; var name:array of String; n:Integer);
var
i, j, k: Integer;
begin
k := High(data);
while (k >= 0) do
begin
j := -1;
for i := Low(data) + 1 to k do
begin
if (data[i - 1] > data[i]) then
begin
j := i - 1;
swap(data[i], data[j]);
swaps(name[i], name[j]);
end;
end;
k := j;
end;
end;procedure main();
var
i: Integer;
height: array[1..5] of Integer;
name: array[1..5] of String;
begin
height[1] := 178;
height[2] := 175;
height[3] := 176;
height[4] := 165;
height[5] := 179;name[1] := 'Sato';
name[2] := 'Sanaka';
name[3] := 'Takao';
name[4] := 'Mike';
name[5] := 'Masaki';Writeln('ソート前：');
for i := 1 to NINSU do
Writeln(Format('%2d:%-8s%4d', [i, name[i], height[i]]));
Writeln('');sort(height, name, NINSU);
Writeln('ソート後：');
for i := 1 to NINSU do
Writeln(Format('%2d:%-8s%4d', [i, name[i], height[i]]));
end;begin
main;
end.
実行結果
S:\>lesson089\project1.exe
ソート前：
1:Sato 178
2:Sanaka 175
3:Takao 176
4:Mike 165
5:Masaki 179ソート後：
1:Mike 165
2:Sanaka 175
3:Takao 176
4:Sato 178
5:Masaki 179
Perl
$NINSU = 5; sub swap { my ($x, $y) = @_; $tmp = $$x; $$x = $$y; $$y = $tmp; } sub sort { my ($height, $name, $n) = @_; $k = $$n - 1; while ($k >= 0) { $j = -1; foreach $i(1..$k) { if ($$height[$i - 1] > $$height[$i]) { $j = $i - 1; &swap(\$$height[$i], \$$height[$j]); &swap(\$$name[$i], \$$name[$j]); } } $k = $j; } } @height = (178, 175, 173, 165, 179); @name = ("Sato", "Sanaka", "Takao", "Mike", "Masaki"); print "ソート前：\n"; for (0..$NINSU-1) { printf("%2d:%-8s%4d\n", $_ + 1, $name[$_], $height[$_]); } print "\n"; &sort(\@height, \@name, \$NINSU); print "ソート後：\n"; for (0..$NINSU-1) { printf("%2d:%-8s%4d\n", $_ + 1, $name[$_], $height[$_]); }
実行結果
L:\>perl lesson_12_089.pl
メ[ト前：
1:Sato 178
2:Sanaka 175
3:Takao 173
4:Mike 165
5:Masaki 179メ[ト後：
1:Mike 165
2:Takao 173
3:Sanaka 175
4:Sato 178
5:Masaki 179
Ruby
NINSU = 5 def sort(height, name, n) k = n - 1 while (k >= 0) j = -1 for i in 1..k if (height[i - 1] > height[i]) j = i - 1 height[i], height[j] = height[j], height[i] name[i], name[j] = name[j], name[i] end end k = j end end height = [178, 175, 173, 165, 179] name = ["Sato", "Sanaka", "Takao", "Mike", "Masaki"] puts "ソート前：" height.each_with_index do |h, i| printf("%2d:%-8s%4d\n", i + 1, name[i], h) end puts "" sort(height, name, NINSU) puts "ソート後：" i = 1 height.zip(name) do |h, n| printf("%2d:%-8s%4d\n", i, n, h) i += 1 end
実行結果
L:\>ruby l:\lesson_12_089.rb
メ[ト前：
1:Sato 178
2:Sanaka 175
3:Takao 173
4:Mike 165
5:Masaki 179メ[ト後：
1:Mike 165
2:Takao 173
3:Sanaka 175
4:Sato 178
5:Masaki 179
