第８話 成績一覧表に各生徒の最高点・最低点を付け加える
を実現するプログラム例
#! ruby -Ks
print "出席番号 ","国語 ","社会 ","数学 ","理科 ","英語 ","合計 "," 平均"," 最高点 ","最低点 \n"
x=[0]
for i in 0..41
x[i]=[[0]]
end
for i in 0..39
x[i][0]=i+1
end
for i in 0..39
for j in 1..5
x[i][j]=rand(101)
end
end
for i in 0..39
w=0
for j in 1..5
w+=x[i][j]
end
x[i][6]=w
x[i][7]=w.to_f/5
end
for i in 0..39
w=0
for j in 1..5
if x[i][j]>w then
w=x[i][j]
end
end
x[i][8]=w
end
for i in 0..39
w=100
for j in 1..5
if x[i][j]<w then
w=x[i][j]
end
end
x[i][9]=w
end
for i in 1..7
w=0
for j in 0..39
w+=x[j][i]
end
x[40][i]=w
x[41][i]=w.to_f/40
end
for i in 0..39
print " "
for j in 0..9
if x[i][j]<10 then
print " ",x[i][j]," "
else
if x[i][j]<100 then
print " ",x[i][j]," "
else
print x[i][j]," "
end
end
if j==0 then
print " "
end
end
print "\n"
end
print " 合計 "
for i in 1..6
print x[40][i]," "
end
print x[40][7].round(1)
print "\n 平均 "
for i in 1..7
print x[41][i].round(1)," "
end
参考ダウンロード添付ファイル
配列の学習は以上にしまして、
次講では、配列・繰り返し処理・if文を総動員して、
３次魔方陣の自動生成プログラムを考えます。
