http://pat.zju.edu.cn/contests/pat-practise/1031

1031. Hello World for U (20)

时间限制

400 ms

内存限制

32000 kB

代码长度限制

16000 B

判题程序

Standard

作者

CHEN, Yue

Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, "helloworld" can be printed as:

h  d
e  l
l  r
lowo

That is, the characters must be printed in the original order, starting top-down from the left vertical line with n ₁characters, then left to right along the bottom line with n ₂ characters, and finally bottom-up along the vertical line with n ₃ characters. And more, we would like U to be as squared as possible -- that is, it must be satisfied that n ₁ = n ₃ = max { k| k <= n ₂ for all 3 <= n ₂ <= N } with n ₁ + n ₂ + n ₃ - 2 = N.

Input Specification:

Each input file contains one test case. Each case contains one string with no less than 5 and no more than 80 characters in a line. The string contains no white space.

Output Specification:

For each test case, print the input string in the shape of U as specified in the description.

Sample Input:

helloworld!

Sample Output:

h   !
e   d
l   l
lowor

 #include
 #include
 #include
 #include
 #include
 #include
 #include
 #include
 using namespace std;
 #define MAX 0Xfffffff
 char s[100];
 int main(){

    //freopen("in.txt", "r", stdin);

    cin>>s;
    int len = strlen(s);
    int n2;
    int n1 = 0;
    for(int x=3;x<=len;++x){
      int k = (len+2-x)/2;
      if(k>x)
          continue;
      if(k>n1){
          n2 = x;
          n1 = k;
      }
    }


    for(int i=0;i
         printf("%c", s[i]);

         if(i!=n1-1)
             for(int j=0;j
                 printf(" ");
         else{
             for(int j=n1;j
                 printf("%c", s[j]);
         }

         printf("%c", s[len-1-i]);
         printf("\n");
    }

    printf("\n");

    //fclose(stdin);
 }