lab 1 ex 2 cu slabu

#include <iostream>
#include <conio.h>
#include <fstream>

using namespace std;

bool isDigit(char var) {
    if (var >= '0' && var <= '9') {
        return true;
    }
    else {
        return false;
    }
}

bool isLittleChar(char var) {
    if (var >= 'a' && var <= 'z') {
        return true;
    }
    else {
        return false;
    }
}




void main() {
    FILE  *fin,*fout;
    int counterInt,dimVector;
    int k = 0;

    fin = fopen("dateIntrare.in", "r");
    fout = fopen("dateIesire.out", "w");

    fscanf(fin, "%d", &dimVector);
    //char siruletz[test];
    char *siruletz , *sirNumar;
    int sumaNumere = 0;
    siruletz = new char[dimVector];
    sirNumar = new char[dimVector];

    for (int i = 0;i <dimVector;i++) {
        char var;
        fscanf(fin, " %c", &var);
        siruletz[i] = var;
    }

    for (int i = 0;i < dimVector;i++) {
        cout << siruletz[i]<<"";
    }

    for (int i = 0;i < dimVector;i++) {
        if (isdigit(siruletz[i])) {
            sirNumar[k] = siruletz[i];
            k++;
        }
    }
    int dimsirNumar = dimVector - k;
    //for(int i=0;i<dimVector;i++)
    // Conversie + suma de la char la int
    for (int i = 0;i < k;i++) {
        sumaNumere = sumaNumere + sirNumar[i] - 48;
    }

    for (int i = 0;i < dimVector; i++) {
        if (isLittleChar(siruletz[i])) {
            siruletz[i] = toupper(siruletz[i]);
        }
    }
    for (int i = 0;i < dimVector;i++) {
        if (!isdigit(siruletz[i])) {
            fprintf(fout, "%c", siruletz[i]);
        }
    }
    fprintf(fout, "\n %d",sumaNumere);




    fclose(fin);
    fclose(fout);

    _getch();
}