od bosko/ispitni

#include<stdio.h>
#include<stdlib.h>
//2012 prv kolokvium
int calcASCII(int nr){
    if(nr == 0) return 0;
    return '0' + nr%10 + calcASCII(nr/10);
}
int transformNr(int nr,int pos,int dig){
    int temp = 0, dp = 1,ctr = 1;
    while(nr!=0){
        if(ctr == pos) temp += dp*dig;
        else temp += dp*(nr%10);
        dp = dp * 10;
        nr = nr / 10;
        ctr++;
    }
    return temp;
}
int changes(int n){
    int prev=1,cur=1,temp = 0,rez = 0;
    while(n--){
        prev = cur;
        scanf("%d",&temp);
        if(temp>0) cur = 1;
        else cur = 0;
        if(cur != prev) rez++;
    }
    return rez;
}
int cifraDelivaPet(int n){
    if((n%10)%5==1) return 1;
    if(n==0) return 0;
    return cifraDelivaPet(n/10);
}
//Izpit 16/17 AVGUST
//Grupa 1
int createNr(){
    int newNr=0,temp;
    while(scanf("%d",&temp))
        newNr = newNr*10 + temp%10;
    return newNr;
}
void shiftLetters(int nr,char let){
    if(nr==0) return;
    shiftLetters(nr/10,let);
    printf("%c",let+nr%10);
}
//Grupa 2
int createNr2(){
    int newNr=0,temp;
    while(scanf("%d",&temp)){
        newNr *= 10;
        if(temp>10) newNr *= newNr;
        newNr += temp;
    }
    return newNr;
}

void printLetters(char a,char b){
    if(a==b) return;
    if(a>b){
        printf("%c",b);
        printLetters(a,b+1);
    }
    else{
        printf("%c",a);
        printLetters(a+1,b);
    }
}
void printLettersNaive(char a){
    if(a>'Z'){
        printf("Faulty config\n");
        return;
    }
    if(a==('A'-1)) return;
    printf("%c",a);
    printLettersNaive(a-1);
}
int main(){
    // int n,pos,dig;
    //scanf("%d",&n);
    //printf("%d\n",calcASCII(n));
    //printf("%d\n",transformNr(n,pos,dig));
    return 0;
}