2012_2华中科技大学机试真题

来源：互联网发布：初中毕业学编程编辑：程序博客网时间：2024/04/30 08:03
#include<stdio.h>#include<stdlib.h>#include<string.h>#include<ctype.h>/*int cmp(const void *a,const void *b){return strcmp((char *)a,(char *)b);}*/int strcomp(char *s1,char *s2){int len1=strlen(s1);int len2=strlen(s2);int i=0;while(i<len1&&i<len2){if(tolower(s1[i])>tolower(s2[i]))return 1;else if(tolower(s1[i])<tolower(s2[i]))return 0;else i++;}if(len1>len2) return 1;else return 0;}int main(){char **str;char *t,e;int row=1,col=1;int isNum=-1,i,j,k;str=(char **)malloc(row*sizeof(char *));str[row-1]=(char *)malloc(col*sizeof(char));printf("请输入字符串，串间用空格隔开，最后以回车结束：\n");while((e=getchar())!='\n'){if(e==' '){str[row-1][col-1]='\0';col=1;row++;str=(char **)realloc(str,row*sizeof(char *));str[row-1]=(char *)malloc(col*sizeof(char));isNum=-1;}else if((e>='a'&&e<='z')||(e>='A'&&e<='Z')){if(isNum==-1) isNum=0;else if(isNum==1)printf("输入错误，程序退出\n");if(isNum==0){str[row-1][col-1]=e;col++;str[row-1]=(char *)realloc(str[row-1],col*sizeof(char));}}else if(e>='0'&&e<='9'){if(isNum==-1) isNum=1;else if(isNum==0)printf("输入错误，程序退出\n");if(isNum==1){str[row-1][col-1]=e;col++;str[row-1]=(char *)realloc(str[row-1],col*sizeof(char));}}}str[row-1][col-1]='\0';for(i=0;i<row;i++)printf("%s\n",str[i]);for(i=row-1;i>0;i--){k=0;for(j=0;j<i;j++){if(strcomp(str[j],str[j+1])>0){t=str[j];str[j]=str[j+1];str[j+1]=t;k=1;}}if(k==0)break;}for(i=0;i<row;i++)printf("%s\n",str[i]);return 0;}
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