LV6v2

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>



2. ZADATAK
int main() {
    int a;
    scanf("%d", &a);
    int* p = &a;
    if (*p > 0) { *p = 2 * (*p); }
    else { *p = 0.5*(*p); }
    printf("%d", *p);
    return 0;
}



3. ZADATAK
int main() {
    int p[19], m;
    do { scanf("%d", &m); } while (m < 4 || m >= 19);
    int min, max;
    for (int i = 0; i < m; i++) {
        scanf("%d", (p + i));
        if (i == 0) { min = max = p[0]; }
        if (*(p + i) < min) { min = *(p + i); }
        if (*(p + i) > max) { max = *(p + i); }
    }
    printf("RAZLIKA = %d", max - min);
    return 0;
}



4. ZADATAK
float fx(float* p, int n) {
    float suma = 0;
    for (int i = 1; i <= (n - 1); i++) {
        suma += abs(i * (*(p + i)) * (*(p + i)) - 1.0);
    }
    printf("%f\n", suma);
    return suma;
}

int main() {
    float a[10];
    float y;
    for (int i = 0; i < 10; i++) {
        printf("%d. ELEMENT POLJA = ", i);
        scanf("%f", (a + i));
    }
    printf("%f", fx(a, 10));
    return 0;
}



5. ZADATAK
int main() {
    int p[18],m,max,sum=0,broj,rez;
    do { scanf("%d", &m); } while (m <= 3 || m > 18);
    for (int i = 0; i < m; i++) {
        printf("%d. ELEMENT POLJA = ",i);
        scanf("%d", p + i);
        broj = *(p + i);
        while (*(p + i) != 0) {
            sum += (*(p + i) % 10);
            *(p + i) = *(p + i) / 10;
        }
        if (i == 0) { max = sum; }
        if (sum > max) { max = sum; rez = broj; }
        sum = 0;
    }
    printf("MAX = %d", rez);
    return 0;
}



6. ZADATAK
int main() {
    int mala = 0;
    char a[101];
    fgets(a, 101, stdin);
    int y = fx(a);
    printf("%d", y);
    }

int fx(char* p) {
    int mala = 0, velika = 0;
    for (int i = 0; i < 100; i++) {
        if (*(p + i) >= 'a' && *(p + i) <= 'z') { mala++; }
        if (*(p + i) >= 'A' && *(p + i) <= 'Z') { velika++; }
    }
    if (mala > velika) return -1;
    if (mala < velika) return 1;
    if ((mala == 0 && velika == 0) || (mala = velika)) return 0;
}