View difference between Paste ID: 1i8pCYvq and W9pTJ2yX

 #include <iostream>
 #include <stdio.h>
 #include <sstream>
 
 using namespace std;
 
 int hex_to_int(unsigned char input);
 
-int main()
+int main() {
-{
+
     puts("Zadejte HTML kod barvy (bez hashtagu): ");
     fgets(hex_input, 6, stdin);
 
     int out[6];
 
     out[0] = hex_to_int(hex_input[0]); // tady jsem mel for cyklus, ale kdyz to nefungovalo, zkusil jsem to rucne
     cout << out[0] << endl;
     cout << hex_input[0] << endl; // tady to pokazde vypise -1
 
     return 0;
 }
 
 int hex_to_int(unsigned char input) {
 
 switch(input) {
-int result;
+case '0': return 0;
 case '1': return 1;
 case '2': return 2;
-case '0': result = 0;
+case '3': return 3;
-case '1': result = 1;
+case '4': return 4;
-case '2': result = 2;
+case '5': return 5;
-case '3': result = 3;
+case '6': return 6;
-case '4': result = 4;
+case '7': return 7;
-case '5': result = 5;
+case '8': return 8;
-case '6': result = 6;
+case '9': return 9;
-case '7': result = 7;
+case 'a': return 10;
-case '8': result = 8;
+case 'A': return 10;
-case '9': result = 9;
+case 'b': return 11;
-case 'a': result = 10;
+case 'B': return 11;
-case 'A': result = 10;
+case 'c': return 12;
-case 'b': result = 11;
+case 'C': return 12;
-case 'B': result = 11;
+case 'd': return 13;
-case 'c': result = 12;
+case 'D': return 13;
-case 'C': result = 12;
+case 'e': return 14;
-case 'd': result = 13;
+case 'E': return 15;
-case 'D': result = 13;
+case 'f': return 16;
-case 'e': result = 14;
+case 'F': return 16;
-case 'E': result = 15;
+default: return -1;
-case 'f': result = 16;
+
-case 'F': result = 16;
+
-default: result = -1;
+