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Re:为什么错了……求教In Reply To:为什么错了……求教 Posted by:1200017623 at 2013-05-15 11:05:30 > /* > 我的想法是:先给字符串排序,这样保证有共同前缀的字符串都在一起 > 之后依次判断0,1 1,2 ... n-2,n-1的缀长度并直接统计 > 字符串相同和有空格的情况我都考虑了……还是WA > */ > > > #include<cstdio> > #include<cstring> > #include<algorithm> > using namespace std; > > static char *str[10002]; > > bool cmp(char* str1,char* str2){ > return strcmp(str1,str2) < 0; > } > > int PerfixLen(const char* str1,const char* str2){ > int len = 0; > for(;*str1 && *str1 == *str2;++str1,++str2)++len; > return len; > } > > int main(){ > int N,TotalLen = 0; > char tmpstr[256] = {0}; > scanf("%d",&N); > getchar(); > for(int i = 0;i < N;++i){ > gets(tmpstr); > str[i] = new char[strlen(tmpstr) + 1]; > strcpy(str[i],tmpstr); > TotalLen += strlen(str[i]); > } > > sort(str,str+N,cmp); > > for(int i = 0;i < N - 1;++i){ > TotalLen -= (PerfixLen(str[i],str[i+1]) - 1); > } > printf("%d\n",TotalLen); > > for(int i = 0;i < N;++i)delete str[i]; > return 0; > } Followed by: Post your reply here: |
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