NYOJ 283 对称排序
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对称排序
时间限制:1000 ms | 内存限制:65535 KB
难度:1
- 描述
- In your job at Albatross Circus Management (yes, it's run by a bunch of clowns), you have just finished writing a program whose output is a list of names in nondescending order by length (so that each name is at least as long as the one preceding it). However, your boss does not like the way the output looks, and instead wants the output to appear more symmetric, with the shorter strings at the top and bottom and the longer strings in the middle. His rule is that each pair of names belongs on opposite ends of the list, and the first name in the pair is always in the top part of the list. In the first example set below, Bo and Pat are the first pair, Jean and Kevin the second pair, etc.
- 输入
- The input consists of one or more sets of strings, followed by a final line containing only the value 0. Each set starts with a line containing an integer, n, which is the number of strings in the set, followed by n strings, one per line, NOT SORTED. None of the strings contain spaces. There is at least one and no more than 15 strings per set. Each string is at most 25 characters long.
- 输出
- For each input set print "SET n" on a line, where n starts at 1, followed by the output set as shown in the sample output.
If length of two strings is equal,arrange them as the original order.(HINT: StableSort recommanded) - 样例输入
7BoPatJeanKevinClaudeWilliamMarybeth6JimBenZoeJoeyFrederickAnnabelle5JohnBillFranStanCece0
- 样例输出
SET 1BoJeanClaudeMarybethWilliamKevinPatSET 2JimZoeFrederickAnnabelleJoeyBenSET 3JohnFranCeceStan
Bill
哇!这题真是哭唧唧了,首先题目是对称排序,一定要先排序,其次,定义字符型数组 输入字符串为什么不能从1开始记,害得我一直WA,真的是要死了,最后还是找出了毛病,所以还是很棒的!继续加油!
下面附上我改正过得代码嘻嘻嘻!
#include<stdio.h>#include<string.h>int main(){int n,b=1;int i,j;char s[15][26],temp[26];while(scanf("%d",&n)!=EOF&&n){ for(i=0;i<n;i++){scanf("%s",&s[i]);}for(i=0;i<n-1;i++){ for(j=0;j<n-1-i;j++) { if(strlen(s[j])>strlen(s[j+1])) { strcpy(temp,s[j]); strcpy(s[j],s[j+1]); strcpy(s[j+1],temp); } } }printf("SET %d\n",b++);for(i=0;i<n;i+=2){printf("%s\n",s[i]);}if(n%2!=0){ n=n-2;}else if(n%2==0){n=n-1;}for(i=n;i>=1;i-=2){printf("%s\n",s[i]);}}return 0;}
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