diff --git a/cv3/program.c b/cv3/program.c
index bdacbb1..b54608d 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -3,9 +3,6 @@
 #include <math.h>
 
 #define SIZE_OF_ARRAY 100
-#define LINE_SIZE 2
-
-double powering(double, int);
 
 int main()
 {
@@ -32,19 +29,17 @@ int main()
         return 0;
     }
     for(int j=1; j<counter; j++){
-        double true_power=powering(array_of_numbers[0],(counter-j)-1);
-        result_of_main += array_of_numbers[j]*true_power;
+        result_of_main += array_of_numbers[j]*pow(array_of_numbers[0],(counter-j)-1);
     }
     printf("Vysledok je: %.2f\n",round(result_of_main * 100) / 100);
     return 0;
 }
 int reading_input(double *number){
     char buffer[SIZE_OF_ARRAY];
-      char *fgets_result = fgets(buffer,SIZE_OF_ARRAY,stdin);
-      if(fgets_result==NULL){
+      if(fgets(buffer,SIZE_OF_ARRAY,stdin)==NULL){
         return 2;
       }
-    
+
     for(int j=0; buffer[j]!='\0'; j++){
         if (buffer[j]>='0'&&buffer[j]<='9') {
             continue;
@@ -65,11 +60,5 @@ int reading_input(double *number){
     *number=atof(buffer);
     return 1;
 }
-double powering(double number, int counter){
-    double result=1;
-    for(int i=0; i<counter; i++){
-        result =result * number;
-    }
-    return result;
-}
+