diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d5405c..9c9f987 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,8 @@ add_executable(skola calc.c
         do_while_znak.c
         do_while_znak.h
         for.c
-        for.h)
+        for.h
+        array.c
+        array.h)
 
 target_link_libraries(skola m)
diff --git a/array.c b/array.c
new file mode 100644
index 0000000..78017bf
--- /dev/null
+++ b/array.c
@@ -0,0 +1,31 @@
+//
+// Created by bruno on 1/15/24.
+//
+
+#include "array.h"
+#include "stdio.h"
+
+int arraydaco() {
+    int pole[10];
+    int i;
+    float priemer = 0;
+    for (i = 0; i < 10; i++) {
+        printf("zadaj %d. prvok poľa: ", i);
+        scanf("%d", &pole[i]);
+    }
+    putchar('\n');
+    for (i = 0; i < 10; i++) {
+        printf("%d. prvok poľa je %d.\n", i, pole[i]);
+    }
+    int max = pole[0];
+    int sucet = pole[0];
+    for (i = 1; i < 10; i++){
+        sucet += pole[i];
+        if(pole[i] > max){
+            max = pole[i];
+        }
+    }
+    priemer = sucet / 10.0;
+    printf("\nSúčet je %d, maximum je %d a priemer je %f.\n", sucet, max, priemer);
+    return 0;
+}
diff --git a/array.h b/array.h
new file mode 100644
index 0000000..9251e20
--- /dev/null
+++ b/array.h
@@ -0,0 +1,6 @@
+//
+// Created by bruno on 1/15/24.
+//
+
+
+int arraydaco();
diff --git a/bomba.c b/bomba.c
index 67d861c..c52a7f4 100644
--- a/bomba.c
+++ b/bomba.c
@@ -6,13 +6,13 @@
 #include "stdio.h"
 #include "unistd.h"
 
-int dake_cislo(){
+int dake_cislo() {
     int a;
 
     printf("Zadaj číslo:");
     scanf("%d", &a);
 
-    do{
+    do {
         printf("%d\n", a);
         usleep(1000000);
         a--;
diff --git a/calc.c b/calc.c
index 662efca..02ee0b9 100644
--- a/calc.c
+++ b/calc.c
@@ -3,14 +3,14 @@
 
 //#define DOWHILE
 
-int calc(){
+int calc() {
     char pokracovat = 'a';
-    #ifndef DOWHILE
+#ifndef DOWHILE
     while (pokracovat == 'a') {
-    #endif
-    #ifdef DOWHILE
+#endif
+#ifdef DOWHILE
         do {
-    #endif
+#endif
 
         double a = 0;
         double b = 0;
@@ -46,9 +46,9 @@ int calc(){
         printf("Vysledok %f %c %f je: %f.\nPrajete si pokračovať(a/n)?\n", a, operacia, b, vysledok);
         scanf("%s", &pokracovat);
     }
-    #ifdef DOWHILE
+#ifdef DOWHILE
     while(pokracovat == 'a');
-    #endif
+#endif
     return 0;
 
 }
\ No newline at end of file
diff --git a/do_while_znak.c b/do_while_znak.c
index 603b42b..4272bee 100644
--- a/do_while_znak.c
+++ b/do_while_znak.c
@@ -6,7 +6,7 @@
 #include "stdio.h"
 
 
-int do_while_znak(){
+int do_while_znak() {
     int c;
     int pocet = 0;
     const int koniec = 'k';
diff --git a/for.c b/for.c
index 0ec97e7..c1be99b 100644
--- a/for.c
+++ b/for.c
@@ -5,22 +5,22 @@
 #include "for.h"
 #include "stdio.h"
 
-int for_cyklus(){
+int for_cyklus() {
     int target;
 
     printf("Do akého čísla počítať?");
     scanf("%d", &target);
     printf("Zadal si číslo %d.\n", target);
     printf("Cyklus FOR:\n");
-    for(int i = 0; i <= target; i++){
-        if(i % 2 == 1) {
+    for (int i = 0; i <= target; i++) {
+        if (i % 2 == 1) {
             printf("%d\n", i);
         }
     }
     printf("\nCyklus WHILE:\n");
     int i = 0;
-    while(i <= target){
-        if(i % 2 == 1) {
+    while (i <= target) {
+        if (i % 2 == 1) {
             printf("%d\n", i);
         }
         i++;
diff --git a/kruh.c b/kruh.c
index 811a387..729a3f2 100644
--- a/kruh.c
+++ b/kruh.c
@@ -1,7 +1,8 @@
 #include <stdio.h>
 #include <math.h>
 #include "kruh.h"
-int circle(){
+
+int circle() {
     float r = 0;
     float obsah = 0;
     float obvod = 0;
@@ -10,7 +11,7 @@ int circle(){
     printf("\nZadaj polomer:");
     scanf("%f", &r);
 
-    obsah = pi * pow(r,2);
+    obsah = pi * pow(r, 2);
     obvod = 2 * pi * r;
 
     printf("\nObsah obdlznika je %.2f a obvod je %.2f.", obsah, obvod);
diff --git a/lepsiznak.c b/lepsiznak.c
index dd2320e..1e46aca 100644
--- a/lepsiznak.c
+++ b/lepsiznak.c
@@ -5,22 +5,21 @@
 #include "lepsiznak.h"
 #include "stdio.h"
 
-void invertcase(int *c){
-    if (*c >= 'a' && *c <= 'z'){
+void invertcase(int *c) {
+    if (*c >= 'a' && *c <= 'z') {
         *c -= 0x20;
-    }
-    else if (*c >= 'A' && *c <= 'Z'){
+    } else if (*c >= 'A' && *c <= 'Z') {
         *c += 0x20;
     }
 }
 
-int lepsiznak(){
+int lepsiznak() {
 
     int c;
     int pocet = 0;
     const int koniec = 'k';
 
-    while ( (c = getchar()) != koniec){
+    while ((c = getchar()) != koniec) {
         invertcase(&c);
         putchar(c);
         pocet++;
diff --git a/main.c b/main.c
index 857f1be..4a10034 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,5 @@
-#include "for.h"
+#include "array.h"
 
-int main(){
-    return for_cyklus();
+int main() {
+    return arraydaco();
 }
\ No newline at end of file
diff --git a/main_rovnice.c b/main_rovnice.c
index 6eb8d61..a62dfed 100644
--- a/main_rovnice.c
+++ b/main_rovnice.c
@@ -23,7 +23,8 @@ void trojuholniktyp(int a, int b, int c) {
         printf(" a je rovnoramenný");
     }
         //pravouhly
-    else if ((pow(a, 2) + pow(a, 2)) == pow(c, 2) || (pow(b, 2) + pow(c, 2)) == pow(a, 2) || (pow(a, 2) + pow(c, 2)) == pow(b, 2)) {
+    else if ((pow(a, 2) + pow(a, 2)) == pow(c, 2) || (pow(b, 2) + pow(c, 2)) == pow(a, 2) ||
+             (pow(a, 2) + pow(c, 2)) == pow(b, 2)) {
         printf(" a je pravouhlý");
     }
         //nic z toho
@@ -39,11 +40,11 @@ void trojuholnik() {
     int c = 0;
 
     printf("Zadaj číslo:");
-    scanf("%d", & a);
+    scanf("%d", &a);
     printf("Zadaj číslo:");
-    scanf("%d", & b);
+    scanf("%d", &b);
     printf("Zadaj číslo:");
-    scanf("%d", & c);
+    scanf("%d", &c);
     if (trojuholnikalgo(a, b, c) == 1) {
         trojuholniktyp(a, b, c);
     }
@@ -58,16 +59,16 @@ void rovnicapriamky() {
     int y = 0;
 
     printf("Zadaj A:");
-    scanf("%d", & a);
+    scanf("%d", &a);
     printf("Zadaj B:");
-    scanf("%d", & b);
+    scanf("%d", &b);
 
     printf("Rovnica priamky je y = %d * x + %d\n", a, b);
 
     printf("Zadaj súradnicu bodu x:");
-    scanf("%d", & x);
+    scanf("%d", &x);
     printf("Zadaj súradnicu bodu y:");
-    scanf("%d", & y);
+    scanf("%d", &y);
 
     if (((a * x) + b) == y) {
         printf("Bod [%d; %d] leží na priamke y = %d * x + %d.\n", x, y, a, b);
diff --git a/newoldmain.c b/newoldmain.c
index 0c024ad..70d0e72 100644
--- a/newoldmain.c
+++ b/newoldmain.c
@@ -6,23 +6,23 @@
 
 const float pi = 3.14;
 
-float skruhu(float r){
-    return pi * pow(r,2);
+float skruhu(float r) {
+    return pi * pow(r, 2);
 }
 
-float okruhu(float r){
+float okruhu(float r) {
     return 2 * pi * r;
 }
 
-float svalec(float r, float h){
+float svalec(float r, float h) {
     return (okruhu(r) * h) + 2 * skruhu(r);
 }
 
-float vvalec(float r, float h){
+float vvalec(float r, float h) {
     return skruhu(r) * h;
 }
 
-void valec(){
+void valec() {
     float r = 0;
     float h = 0;
     float objem = 0;
@@ -40,15 +40,15 @@ void valec(){
     printf("\nObjem valca je %.2f a povrch je %.2f.", objem, povrch);
 }
 
-float strojuholnik(float a, float va){
+float strojuholnik(float a, float va) {
     return (a * va) / 2;
 }
 
-float otrojuholnik(float a, float b, float c){
+float otrojuholnik(float a, float b, float c) {
     return a + b + c;
 }
 
-void trojuholnikold(){
+void trojuholnikold() {
     float a = 0;
     float b = 0;
     float c = 0;
@@ -76,48 +76,44 @@ void trojuholnikold(){
 
 }
 
-void parne(){
+void parne() {
     int cislo = 0;
     printf("Zadaj cislo:");
 
     scanf("%d", &cislo);
 
-    if(cislo % 2 == 0){
+    if (cislo % 2 == 0) {
         printf("Cislo %d je parne.\n", cislo);
-    }
-    else{
+    } else {
         printf("Cislo %d je neparne.\n", cislo);
     }
 
 }
 
-int porovnavanie(int cislo1, int cislo2, int cislo3){
+int porovnavanie(int cislo1, int cislo2, int cislo3) {
     int min = 0;
 
-    if (cislo1 < cislo2){
-        if(cislo1 < cislo3){
+    if (cislo1 < cislo2) {
+        if (cislo1 < cislo3) {
             min = cislo1;
 
-        }
-        else{
+        } else {
             min = cislo3;
         }
-    }
-    else{
-        if(cislo2 < cislo3){
+    } else {
+        if (cislo2 < cislo3) {
             min = cislo2;
-        }
-        else{
+        } else {
             min = cislo3;
         }
     }
     return min;
 }
 
-int porovnavanietest(int *cisla, int pocet){
+int porovnavanietest(int *cisla, int pocet) {
     int min = cisla[0];
-    for(uint16_t i =0; i<pocet;i++){
-        if(cisla[i] < min){
+    for (uint16_t i = 0; i < pocet; i++) {
+        if (cisla[i] < min) {
             min = cisla[i];
         }
     }
@@ -125,7 +121,7 @@ int porovnavanietest(int *cisla, int pocet){
 }
 
 
-void porovnavaniecelok(){
+void porovnavaniecelok() {
     int cislo1 = 0;
     int cislo2 = 0;
     int cislo3 = 0;
@@ -138,7 +134,7 @@ void porovnavaniecelok(){
     scanf("%d", &pocet);
     cisla = malloc(pocet);
 
-    for(uint16_t i =0; i<pocet;i++){
+    for (uint16_t i = 0; i < pocet; i++) {
         printf("Zadaj cislo:");
         scanf("%d", cisla);
         cisla[i];
diff --git a/oldmain.c b/oldmain.c
index 3e37aae..4a25fd7 100644
--- a/oldmain.c
+++ b/oldmain.c
@@ -5,10 +5,10 @@ FILE *fp;
 char c;
 int a;
 
-int oldmain(){
+int oldmain() {
 
     fp = fopen("test.txt", "r");
-    while (!feof(fp)){
+    while (!feof(fp)) {
         c = fgetc(fp);
         printf("%c", c);
     }
@@ -16,7 +16,7 @@ int oldmain(){
 
     printf("\nSEPARATOR\n\n");
 
-    for (uint8_t i = 0;i<=10;i++){
+    for (uint8_t i = 0; i <= 10; i++) {
         printf("hello %i times\n", i);
     }
 
diff --git a/tyzden.c b/tyzden.c
index 62d5236..cad3951 100644
--- a/tyzden.c
+++ b/tyzden.c
@@ -3,7 +3,7 @@
 #include "stdint.h"
 
 
-int tyzden(){
+int tyzden() {
     uint8_t den = 0;
     printf("Zadaj číslo dňa v týždni:");
     scanf("%hhd", &den);
diff --git a/znak.c b/znak.c
index b4a7cf7..0c66d48 100644
--- a/znak.c
+++ b/znak.c
@@ -1,14 +1,17 @@
 #include "stdio.h"
 
-int znak(){
+int znak() {
 
     char in;
     printf("Zadaj znak:");
     scanf("%c", &in);
     switch (in) {
-        case 'a': printf("Volba a.\n");
-        case 'b': printf("Volba b.\n");
-        case 'c': printf("Volba c.\n");
+        case 'a':
+            printf("Volba a.\n");
+        case 'b':
+            printf("Volba b.\n");
+        case 'c':
+            printf("Volba c.\n");
             break;
         default:
             printf("Nevybral si si a/b/c.\n");