九度OnlineJudge之1464:Hello World for U
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 n1 characters, then left to right along the bottom line with n2 characters, and finally bottom-up along the vertical
line with n3 characters. And more, we would like U to be as squared as possible -- that is, it must be satisfied that n1 = n3 = max { k| k <= n2 for all 3 <= n2 <= N } with n1 + n2 + n3 - 2 = N.
- 输入:
-
There are multiple test cases.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.
- 输出:
-
For each test case, print the input string in the shape of U as specified in the description.
- 样例输入:
-
helloworld! ac.jobdu.com
- 样例输出:
-
h ! e d l l lowor a m c o . c jobdu.
#include <iostream> #include <string> #include <string.h> using namespace std; int main(){ char str[81]; while(cin>>str) { int len = strlen(str); int x = (len+2)/3; for (int i=0;i<x-1;i++) { cout<<str[i]; for (int j=x-1;j<(len-1-x);j++) cout<<" "; cout<<str[len-1-i]; cout<<endl; } for (int j=x-1;j<(len-1-(x-2));j++) cout<<str[j]; cout<<endl; } //system("pause"); return 0;}
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