1 #include<stdio.h> 2 #include<string.h> 3 #include<iostream> 4 #include<fstream> 5 #include<string> 6 #include<map>  7 #include <iomanip> 8 using namespace std; 9 int main()10 {11     FILE *fp1;12     char text[1024];13     fp1=fopen("d:\\2.txt","r");14     int i=0;15     map<string,int>my_map;16     while(fgets(text,1024,fp1)!=NULL)17     {18         while(text[i]!=‘\0‘)19         {20             char s[30];21             int j=0;22             while((text[i]>=‘a‘&&text[i]<=‘z‘)||(text[i]>=‘A‘&&text[i]<=‘Z‘))23             {24                 if(text[i]>=‘A‘&&text[i]<=‘Z‘)25                 text[i]+=‘a‘-‘A‘;26                 s[j++]=text[i++];    27             }28             s[j]=‘\0‘;29             my_map[s]++;30             if(text[i]==‘\0‘) break;31             else32             i++;33         }34         35     }36     fclose(fp1);37     map<string,int>::iterator it;38     for(it=++my_map.begin(),i=1;it!=my_map.end();it++,i++)39     {40         cout<<left;41         cout<<setw(10)<<it->first<<setw(10)<<it->second;42         if(i%4==0)43         cout<<‘\n‘;44     }45     cout<<‘\n‘;    46     return 0;47 }