//countmail.h
#define COUNTM struct countmail#define STRC 128
COUNTM{ int count; char mail[STRC]; COUNTM* next;};
//
//countmail.cpp
// countmail.cpp : Defines the entry point for the console application.//
#include "stdafx.h"#include <stdlib.h>#include <stdio.h>#include <string.h>
#include "countmail.h"
#define LEN 128
int main(){////变量定义 FILE *fp; COUNTM *head=NULL; COUNTM *p1=NULL,*p2=NULL,*p3=NULL,*pp=NULL; char str[LEN]; int i=0; bool tf=false;////文件打开
if((fp=fopen("26.txt","rb"))==NULL) { printf("ERROR!"); exit(0); }////文件打开成功，开辟空间,建产链表 head=(COUNTM*)malloc(sizeof(COUNTM)); head->next=NULL; head->count=0; while(!feof(fp)) { p2=(COUNTM*)malloc(sizeof(COUNTM)); p2->next=NULL; p2->count=0; fgets(str,LEN,fp); if(*(str+(strlen(str))-1)=='/n') *(str+(strlen(str)-2))='/0'; if(p1==NULL) { i=0; while(str[i]!='/0') { if(str[i]=='@') break; i++; } strcpy(p2->mail,str+i+1); p2->count+=1; p1=p2; head->count+=1; head->next=p1; } else { i=0; while(str[i]!='/0') { if(str[i]=='@') break; i++; } strcpy(p2->mail,str+i+1); p2->count+=1; p2->next=NULL; p1->next=p2; p1=p1->next; head->count+=1; } }////统计 p1=head->next;
while(p1) { p2=p1->next; p3=p1; while(p2) { if(strcmp(p1->mail,p2->mail)==0) { p1->count+=1; p3->next=p2->next; //free(p2); p2=p2->next; } else { p3=p3->next; p2=p2->next; } } p1=p1->next; }////文件遍历 p1=head->next;
printf("---------------------------------------------"); printf("/ncount E-mail: %d/n",head->count); printf("---------------------------------------------/n");
while(p1) {
printf("%s :%d/n",p1->mail,p1->count); p1=p1->next; }/////
fclose(fp); return 0;}
