Here is some code that i wrote last year. Not sure if it helps any. It reads from an outside source and counts all the number of times that a letter appears.
Code:#include <iostream.h> #include <iomanip.h> #include "apvector.h" #include <ctype.h> #include "apstring.h" #include <winsioux.h> #include <fstream.h> int main() { char ch; int x=0, num=0; apvector<int>count(26,0); apvector<int>out(26,0); ifstream doc1; cout<<"1 or 2: "; cin>>num; if(num==1) doc1.open("Nelson.txt"); if(num==2) doc1.open("Aung.txt"); while(doc1) { doc1.get(ch); ch=tolower(ch); switch(ch) { case 'a': count[0]+=1; break; case 'b': count[1]+=1; break; case 'c': count[2]+=1; break; case 'd': count[3]+=1; break; case 'e': count[4]+=1; break; case 'f': count[5]+=1; break; case 'g': count[6]+=1; break; case 'h': count[7]+=1; break; case 'i': count[8]+=1; break; case 'j': count[9]+=1; break; case 'k': count[10]+=1; break; case 'l': count[11]+=1; break; case 'm': count[12]+=1; break; case 'n': count[13]+=1; break; case 'o': count[14]+=1; break; case 'p': count[15]+=1; break; case 'q': count[16]+=1; break; case 'r': count[17]+=1; break; case 's': count[18]+=1; break; case 't': count[19]+=1; break; case 'u': count[20]+=1; break; case 'v': count[21]+=1; break; case 'w': count[22]+=1; break; case 'x': count[23]+=1; break; case 'y': count[24]+=1; break; case 'z': count[25]+=1; break; default: break; } } doc1.close(); for(char letter='A'; letter<='Z' ;letter++) { cout<<letter<<": "; cout<<" "<<count[x]<<endl; x++; } return 0; }
