#include #include using namespace std;char a1,c,a2;bool a[26];char b[26]={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};int main(){
int N,count=0;
while(cin>>N)
{
if(N==0)
break;
int i,j;memse... |
