一個十字交錯字由兩個單字組成,第一個單字以水平排列,第二個單字以垂直排列,於交錯的位置共用同一個字母,其共用字母必須盡可能接近水平文字的開頭,在此情況下亦盡可能接近垂直文字的開頭。例如"DEFER"與"PREFECT"的共同字母為彼此的第一個"E",而"PREFECT"與"DEFER"的共同字母為"R"。雙十字交錯字由四個單字組成,兩個水平單字必須在同一列。
本題給定每組四個單字(水平1, 垂直1, 水平2, 垂直2),請你輸出每組雙十字交錯字。
INPUT
會有多列輸入資料,每列有四個單字,兩兩一組,每個單字包含1~10個大寫字母,每個單字之間最少以一個空白字元隔開。以一列僅含一個"#"字元表示測試資料結束。
OUTPUT
請對每組測試資料輸出雙十字交錯字,水平文字間以三個空白字元隔開,如果無法組成這兩個十字交錯字,請輸出"Unable to make
two crosses"。請每組測試資料間輸出一列空行。
SAMPLE INPUT
MATCHES CHEESECAKE
PICNIC EXCUSES
PEANUT BANANA
VACUUM GREEDY
#
SAMPLE OUTPUT
C
H
E
E
S
E
E
C
X
MATCHES PICNIC
K
U
E
S
E
S
Unable to make two
crosses
第一部分
static
void
Main(string[] args)
{
while
(true)
{
string
Input = Console.ReadLine();
if
(Input == "#") return;
string[]
sentence = Input.Split(' ');
int
h0 = 0, h1 = -1;
string
blank1 = null;
List<char>
c1 = new List<char>();
c1.AddRange(sentence[1].ToCharArray());
foreach
(char
c0 in sentence[0])
{
if
(c1.IndexOf(c0) != -1)
{
h1 = c1.IndexOf(c0);
break;
}
h0++;
}
for
(int
i = 0; i < h0; i++)
blank1 = blank1 + " ";
for
(int
i = 0; i < c1.Count; i++)
{
if
(i == h1) Console.WriteLine(sentence[0]);
else
Console.WriteLine(blank1 + c1[i]);
}
}
}
第二部分
static
void
Main(string[] args)
{
while
(true)
{
string
Input = Console.ReadLine();
if
(Input == "#") return;
string[]
sentence = Input.Split(' ');
string
blank1 = null, blank2 = null,
anwser1 = null;
string[]
anwser2 = new string[20];
int
h0 = 0, h1 = 0, h2 = 0, h3 = 0, h4 = 0, h5 = 0;
List<char>
c1 = new List<char>();
c1.AddRange(sentence[1].ToCharArray());
List<char>
c3 = new List<char>();
c3.AddRange(sentence[3].ToCharArray());
foreach
(char
c0 in sentence[0])
{
h1 = c1.IndexOf(c0);
if
(c1.IndexOf(c0) == -1) h0++;
else
break;
}
foreach
(var
c2 in sentence[2])
{
h3 = c3.IndexOf(c2);
if
(c3.IndexOf(c2) == -1) h2++;
else break;
}
if
(h1 == -1 || h3 == -1)
Console.WriteLine("Unable to make two crosses");
else
{
for
(int
i = 0; i < h0; i++)
blank1 = blank1 + " ";
for
(int
i = 0; i < h2; i++)
blank2 = blank2 + " ";
for
(int
i = 0; i < c3.Count; i++)
{
if
(i == h3) anwser2[i] = "\t\t"
+ sentence[2] + "\n";
else
anwser2[i] = "\t\t" + blank2 + c3[i] + "\n";
}
for
(int
i = 0; i < c1.Count; i++)
{
if (i <
h1 - h3)
{
if
(i == h1) anwser1 += sentence[0] + "\n";
else
anwser1 += blank1 + c1[i] + "\n";
h4++;
}
else
{
if
(i == h1) anwser1 += sentence[0] + anwser2[i - h4];
else
anwser1 += blank1 + c1[i] + anwser2[i - h4];
h5++;
}
}
for
(int
i = c1.Count + 1; i <= c3.Count + h4; i++)
{
anwser1 = anwser1 +
anwser2[h5];
h5++;
}
Console.WriteLine(anwser1);
}
Console.WriteLine();
}
}
11.Common Permutation
第一部分
static
void
Main(string[] args)
{
while
(true)
{
string
Input = Console.ReadLine();
if
(Input == "#") return;
string[]
sentence = Input.Split(' ');
int
h0 = 0, h1 = -1;
string
blank1 = null;
List<char>
c1 = new List<char>();
c1.AddRange(sentence[1].ToCharArray());
foreach
(char
c0 in sentence[0])
{
if
(c1.IndexOf(c0) != -1)
{
h1 = c1.IndexOf(c0);
break;
}
h0++;
}
for
(int
i = 0; i < h0; i++)
blank1 = blank1 + " ";
for
(int
i = 0; i < c1.Count; i++)
{
if
(i == h1) Console.WriteLine(sentence[0]);
else
Console.WriteLine(blank1 + c1[i]);
}
}
}
第二部分
static
void
Main(string[] args)
{
while
(true)
{
string
Input = Console.ReadLine();
if
(Input == "#") return;
string[]
sentence = Input.Split(' ');
string
blank1 = null, blank2 = null,
anwser1 = null;
string[]
anwser2 = new string[20];
int
h0 = 0, h1 = 0, h2 = 0, h3 = 0, h4 = 0, h5 = 0;
List<char>
c1 = new List<char>();
c1.AddRange(sentence[1].ToCharArray());
List<char>
c3 = new List<char>();
c3.AddRange(sentence[3].ToCharArray());
foreach
(char
c0 in sentence[0])
{
h1 = c1.IndexOf(c0);
if
(c1.IndexOf(c0) == -1) h0++;
else
break;
}
foreach
(var
c2 in sentence[2])
{
h3 = c3.IndexOf(c2);
if
(c3.IndexOf(c2) == -1) h2++;
else break;
}
if
(h1 == -1 || h3 == -1)
Console.WriteLine("Unable to make two crosses");
else
{
for
(int
i = 0; i < h0; i++)
blank1 = blank1 + " ";
for
(int
i = 0; i < h2; i++)
blank2 = blank2 + " ";
for
(int
i = 0; i < c3.Count; i++)
{
if
(i == h3) anwser2[i] = "\t\t"
+ sentence[2] + "\n";
else
anwser2[i] = "\t\t" + blank2 + c3[i] + "\n";
}
for
(int
i = 0; i < c1.Count; i++)
{
if (i <
h1 - h3)
{
if
(i == h1) anwser1 += sentence[0] + "\n";
else
anwser1 += blank1 + c1[i] + "\n";
h4++;
}
else
{
if
(i == h1) anwser1 += sentence[0] + anwser2[i - h4];
else
anwser1 += blank1 + c1[i] + anwser2[i - h4];
h5++;
}
}
for
(int
i = c1.Count + 1; i <= c3.Count + h4; i++)
{
anwser1 = anwser1 +
anwser2[h5];
h5++;
}
Console.WriteLine(anwser1);
}
Console.WriteLine();
}
}
11.Common Permutation
給定兩個小寫的字串a與b,請印出皆出現在兩字串中的字母,出現的字母由a~z的順序印出,若同字母出現不只一次,請重複印出但不能超過任一字串中出現的次數。
(原文直譯:給定兩個小寫的字串a與b,請印出最長的小寫字串x,使得x經重新排列組合後為a的子字串(subsequence of a),且x經重新排列組合後亦為b的子字串)。
Input
輸入會有好幾列字串,每兩列一組(1 2一組,3 4一組,以此類推),每組的第一個字串為a,第二個為b,每個字串一列,其長度最多有1000個小寫字元。
Output
輸出本題所要求的x,若有多組符合的x,請印出字母順序由小到大排列的那一個。
Sample Input:
pretty
women
walking
down
the
street
Sample Output:
e
nw
et
static
void
Main(string[] args)
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