fork download
copy 
  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. const int MAX_SIZE = 100;
  6.  
  7. void copySmaller(char lexicoSmall[], char text[]) {
  8.     int smallerLen = strlen(lexicoSmall);
  9.     if (smallerLen == 0 || smallerLen > strlen(text)) {
  10.         strcpy(lexicoSmall, text);
  11.     }
  12. }
  13.  
  14. bool haveDistinctLetters(char text[]) {
  15. 	const int MAX_SIZE = (int)'z';
  16. 	int textLen = strlen(text), fr[MAX_SIZE + 1] = {0};
  17. 	for (int i = 0; i < textLen; ++i) {
  18. 		++fr[(int)text[i]];
  19. 		if (fr[(int)text[i]] > 1) {
  20. 			return false;
  21. 		}
  22. 	}
  23. 	return true;
  24. }
  25.  
  26. void findLargerDistinct(char lexicoLarge[], char text[]) {
  27.     int largeLen = strlen(lexicoLarge);
  28.     if (haveDistinctLetters(text) && (largeLen == 0 || largeLen < strlen(text))) {
  29.         strcpy(lexicoLarge, text);
  30.     }
  31. }
  32.  
  33. int main() {
  34.     char text[MAX_SIZE + 1], lexicoSmall[MAX_SIZE + 1] = "", lexicoLarge[MAX_SIZE + 1] = "";
  35.     while (cin >> text) {
  36.         copySmaller(lexicoSmall, text);
  37.         findLargerDistinct(lexicoLarge, text);
  38.     }
  39.     if (strlen(lexicoLarge)) {
  40.         cout << lexicoLarge;        
  41.     } else {
  42.         cout << lexicoSmall;
  43.     }
  44.     return 0;
  45. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
a
b
c
stdout
copy 
a
https://ideone.com/As7HLx
language:
C++ (gcc 8.3)
created:
2 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!