From 1dbd1a91f4db6085367c1052d1ba5f282070ad56 Mon Sep 17 00:00:00 2001 From: amy326 Date: Thu, 11 Jan 2018 06:39:28 +0800 Subject: [PATCH 01/13] finished 1-4 --- 01-hello.rb | 5 +---- 02-variable.rb | 5 +++-- 03-triangle.rb | 4 ++-- 04-pizzas.rb | 7 ++++--- 4 files changed, 10 insertions(+), 11 deletions(-) diff --git a/01-hello.rb b/01-hello.rb index e0e7bbf..33fbd61 100644 --- a/01-hello.rb +++ b/01-hello.rb @@ -2,7 +2,4 @@ print "请输入你的名字，然后按 Enter: " your_name = gets - -# ... - -puts "(请替换成最后的答案)" \ No newline at end of file +puts "hello, #{your_name}" diff --git a/02-variable.rb b/02-variable.rb index a5a4753..53b4c95 100644 --- a/02-variable.rb +++ b/02-variable.rb @@ -6,8 +6,9 @@ puts "a 是 #{a}" puts "b 是 #{b}" -# ... +c = a +a = b +b = c puts "a 应该是 2，现在是 #{a}" puts "b 应该是 1，现在是 #{b}" - diff --git a/03-triangle.rb b/03-triangle.rb index fafec03..00e3c5e 100644 --- a/03-triangle.rb +++ b/03-triangle.rb @@ -6,6 +6,6 @@ print "请输入直角三角形的底边，然后按 Enter: " b = gets -# ..... +c = a.to_f * b.to_f / 2 -puts "直角三角形的面积是: _________" \ No newline at end of file +puts "直角三角形的面积是: #{c}" diff --git a/04-pizzas.rb b/04-pizzas.rb index 4c2521f..b140762 100644 --- a/04-pizzas.rb +++ b/04-pizzas.rb @@ -6,7 +6,8 @@ print "请输入有多少人要吃，然后按 Enter: " people = gets -# ..... +c = pizzas.to_i / people.to_i +d = pizzas.to_i % people.to_i -puts "每人可分得几片: _________ 片" -puts "还剩下几片: _________ 片" \ No newline at end of file +puts "每人可分得几片: #{c} 片" +puts "还剩下几片: #{d}片" From 77bc67d8b302f4047a42c255f565fec51ed23172 Mon Sep 17 00:00:00 2001 From: amy326 Date: Fri, 19 Jan 2018 20:19:55 +0800 Subject: [PATCH 02/13] modified 05&06 --- 05-bmi.rb | 20 +++++++++++++++++--- 06-interger-positive.rb | 16 ++++++++++++---- 2 files changed, 29 insertions(+), 7 deletions(-) diff --git a/05-bmi.rb b/05-bmi.rb index 67efdff..0f28694 100644 --- a/05-bmi.rb +++ b/05-bmi.rb @@ -10,8 +10,22 @@ print "请输入您的身高(厘米)，然后按 Enter: " height = gets -# ..... +h = height.to_f / 100 -puts "您的 BMI 是: _________" +BMI = (weight.to_f / (h * h)) -puts "您的 BMI 结果是: _________(过轻或正常或过重)" \ No newline at end of file +def c + if BMI < 18.5 + c = "过轻" + else if + BMI >= 24 + c = "过重" + else c = "正常" + end + end +end + + +puts "您的 BMI 是: #{BMI}" + +puts "您的 BMI 结果是: #{c}(过轻或正常或过重)" diff --git a/06-interger-positive.rb b/06-interger-positive.rb index a240f5f..4896af0 100644 --- a/06-interger-positive.rb +++ b/06-interger-positive.rb @@ -2,9 +2,17 @@ print "请输入一个整数，然后按 Enter: " -x = gets +x = gets.to_i -# .... +if x > 0 + puts "这个数是正数" + else if x ==0 + puts "这个数是0" + else puts "这个数是负数" +end +end -puts "这个数是_____ (正数或零或负数)" -puts "这个数是_____ (偶数或奇数)" \ No newline at end of file +if x % 2 ==0 + puts "这个数是偶数" +else puts "这个数是奇数" +end From 5e0e73c3cc3121659200f98a5abbb5174e18c326 Mon Sep 17 00:00:00 2001 From: amy326 Date: Fri, 19 Jan 2018 20:44:41 +0800 Subject: [PATCH 03/13] finished 07 --- 07-abcde.rb | 31 ++++++++++++++++++++++++++----- 1 file changed, 26 insertions(+), 5 deletions(-) diff --git a/07-abcde.rb b/07-abcde.rb index 5d0c8c3..e859753 100644 --- a/07-abcde.rb +++ b/07-abcde.rb @@ -9,14 +9,35 @@ # 当 z < 0 输出 "E" print "请输入一个整数x，然后按 Enter: " -x = gets +x = gets.to_f print "请输入一个整数y，然后按 Enter: " -y = gets +y = gets.to_f print "请输入一个整数z，然后按 Enter: " -z = gets +z = gets.to_f -# .... +if x < 0 + puts "结果是A" +end -puts "结果是________(A或B或C或D或E)" \ No newline at end of file +if x > 0 + if y > 0 + if z > 0 + puts "结果是B" + else if z < 0 + puts "结果是C" + end + end + end + + if y < 0 + if z > 0 + puts "结果是D" + else if z < 0 + puts "结果是E" + end + end + end + +end From a5ff032e826a7b3220fa22629638ec68c48e79c8 Mon Sep 17 00:00:00 2001 From: amy326 Date: Fri, 19 Jan 2018 20:52:34 +0800 Subject: [PATCH 04/13] finished 08 --- 08-find-max.rb | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/08-find-max.rb b/08-find-max.rb index 9e6e643..3768d5a 100644 --- a/08-find-max.rb +++ b/08-find-max.rb @@ -9,6 +9,14 @@ print "请输入一个数字z，然后按 Enter: " z = gets -# .... +if x > y && x > z + puts "最大的数是#{x}" +end -puts "最大的数是 ________(x或y或z)" \ No newline at end of file +if y > x && y > z + puts "最大的数是#{y}" +end + +if z > x && z > y + puts "最大的数是#{z}" +end From 7a0948fa34bf62fa5d91f56106ed1a4e0f1d7552 Mon Sep 17 00:00:00 2001 From: amy326 Date: Fri, 19 Jan 2018 20:54:35 +0800 Subject: [PATCH 05/13] modified 07 for elsif --- 07-abcde.rb | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/07-abcde.rb b/07-abcde.rb index e859753..44f43c4 100644 --- a/07-abcde.rb +++ b/07-abcde.rb @@ -25,19 +25,17 @@ if y > 0 if z > 0 puts "结果是B" - else if z < 0 + elsif z < 0 puts "结果是C" end - end end if y < 0 if z > 0 puts "结果是D" - else if z < 0 + elsif z < 0 puts "结果是E" end - end end end From 45a0fbf649bcd08ff5056f4faee98a1535bf7edd Mon Sep 17 00:00:00 2001 From: amy326 Date: Fri, 19 Jan 2018 20:59:09 +0800 Subject: [PATCH 06/13] finished 09 --- 09-function.rb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/09-function.rb b/09-function.rb index b1f922d..6801e49 100644 --- a/09-function.rb +++ b/09-function.rb @@ -1,7 +1,7 @@ # 题目: 输入直角三角形的宽和高，输出三角形的面积 def calculate_area(a, b) - # .... + calculate_area = a.to_f * b.to_f end print "请输入直角三角形的高，然后按 Enter: " @@ -12,4 +12,4 @@ def calculate_area(a, b) answer = calculate_area(a,b) -puts "直角三角形的面积是: #{answer}" \ No newline at end of file +puts "直角三角形的面积是: #{answer}" From fe3f4091a170eea2cbbb85299b4a8b3cb988e2ce Mon Sep 17 00:00:00 2001 From: amy326 Date: Sun, 21 Jan 2018 20:17:10 +0800 Subject: [PATCH 07/13] finished 10 --- 10-function.rb | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/10-function.rb b/10-function.rb index bb450fb..9756441 100644 --- a/10-function.rb +++ b/10-function.rb @@ -1,19 +1,25 @@ -# 题目: 使用者输入 x,y,z，请输出三个数中最大的数 +# 题目: 使用者输入 x,y,z，请输出三个数中最大的数。使用回传值表示 def find_max(x, y, z) + if x > z && x > y + return x + elsif y > z && y > x + return y + elsif z > x && z > y + return z + end end print "请输入一个数字x，然后按 Enter: " -x = gets +x = gets.to_f print "请输入一个数字y，然后按 Enter: " -y = gets +y = gets.to_f print "请输入一个数字z，然后按 Enter: " -z = gets +z = gets.to_f -# .... answer = find_max(x,y,z) -puts "最大的数是 #{answer}" \ No newline at end of file +puts "最大的数是 #{answer}" From 7eb8867732ef8f80f2df01db845a34e6dcb61659 Mon Sep 17 00:00:00 2001 From: amy326 Date: Sun, 21 Jan 2018 20:36:56 +0800 Subject: [PATCH 08/13] finished 11 --- 11-seven.rb | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/11-seven.rb b/11-seven.rb index 26c221d..7c45c11 100644 --- a/11-seven.rb +++ b/11-seven.rb @@ -2,8 +2,8 @@ i = 1 while ( i <= 100 ) - - # .... - - i+=1 -end \ No newline at end of file + if i % 7 == 0 + puts i + end + i+= 1 +end From fba09b636edb83770451a935efeca3b2fcffa740 Mon Sep 17 00:00:00 2001 From: amy326 Date: Sun, 21 Jan 2018 20:46:19 +0800 Subject: [PATCH 09/13] 12 --- 12-sum-even.rb | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/12-sum-even.rb b/12-sum-even.rb index 73879bb..fe7befc 100644 --- a/12-sum-even.rb +++ b/12-sum-even.rb @@ -4,10 +4,10 @@ total = 0 while ( i <= 100 ) - - # .... - + if i % 2 ==0 + total = total + i + end i+=1 end -puts total \ No newline at end of file +puts total From 1b355fc00b37e1db447fbe1c8f2aaf9236180334 Mon Sep 17 00:00:00 2001 From: amy326 Date: Sun, 21 Jan 2018 22:11:48 +0800 Subject: [PATCH 10/13] 13 --- 13-nn.rb | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/13-nn.rb b/13-nn.rb index ac0a43b..cd5cbab 100644 --- a/13-nn.rb +++ b/13-nn.rb @@ -1,11 +1,16 @@ # 题目: 输入一个数字 N，输出 N * N 乘法表 print "请输入数字 N，然后按 Enter: " -n = gets +n = gets.to_i +i = 0 +j = 0 -# while ( ... ) -# while ( ...) -# -# end -# end +while (i <= n) + j = i + while (j <= n) + puts "#{i} * #{j} = #{i*j}" + j += 1 + end + i += 1 +end From eec749bf5e8b0f2bc6904f2db9d33bd3121d1373 Mon Sep 17 00:00:00 2001 From: amy326 Date: Sun, 21 Jan 2018 22:40:14 +0800 Subject: [PATCH 11/13] 14 --- 14-prime.rb | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/14-prime.rb b/14-prime.rb index 8cf1692..ce4ad8a 100644 --- a/14-prime.rb +++ b/14-prime.rb @@ -1,14 +1,23 @@ # 输入一个数字 N，请检查是不是质数 def is_prime(n) -# .... + i = 2 + while (i <= n/2 + 1) + if n % i != 0 + return true + else + return false + end + i += 1 + end + end -print "请输入数字 N，然后按 Enter: " +print "请输入一个数字N，然后按 enter：" n = gets if is_prime(n.to_i) - puts "这是质数" + puts "这是质数" else - puts "这不是质数" + puts "这不是质数" end From 83ad09b49888653405670bf6536f4a5e24622c6e Mon Sep 17 00:00:00 2001 From: amy326 Date: Sun, 21 Jan 2018 22:46:26 +0800 Subject: [PATCH 12/13] 15 --- 15-guess-number.rb | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/15-guess-number.rb b/15-guess-number.rb index 48f9dca..2766f50 100644 --- a/15-guess-number.rb +++ b/15-guess-number.rb @@ -6,12 +6,12 @@ print "请猜一个 0~99 的数字 N，然后按 Enter: " n = gets - #puts "太低了，再猜一次" - #puts "太高了，再猜一次" - - if n.to_i == target - puts "恭喜猜中啦! " - break + if n.to_i > target + puts "太高了，再猜一次" + elsif n.to_i < target + puts "太低了，再猜一次" + elsif n.to_i == target + puts "恭喜猜中啦! " + break end - -end \ No newline at end of file +end From 78df47db1acb70adefc54fecec6d500ac3f7f1f1 Mon Sep 17 00:00:00 2001 From: amy326 Date: Mon, 22 Jan 2018 21:16:55 +0800 Subject: [PATCH 13/13] 16 --- 16-array-sum.rb | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/16-array-sum.rb b/16-array-sum.rb index 9b4910b..1da8378 100644 --- a/16-array-sum.rb +++ b/16-array-sum.rb @@ -1,11 +1,16 @@ # 给定一阵列内含数字，输出最大值 def find_max(array) - #.... + m = array[0] + array.each do |i| + if m <= i + m = i + end + end + return m end arr = [8, 12, 36, 53, 9, 75, 3, 71, 59, 88] max = find_max(arr) puts "Max is #{max}" # 应该是 88 -