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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. void addUniqueSeq(char pairSeq[][3], char text[], int i, int &totalSeq) {
  6.     int currentPos = 0;
  7.     char currentSeq[] = {text[i - 1], text[i], 0};
  8.     while (pairSeq[currentPos][0] && strstr(pairSeq[currentPos], currentSeq) == 0) {
  9.         ++currentPos;
  10.     }
  11.     if (pairSeq[currentPos][0] == 0) {
  12.         ++totalSeq;
  13.     }
  14.     strcpy(pairSeq[currentPos], currentSeq);
  15. }
  16.  
  17. int displayNoSeq(char text[]) {
  18.     const int MAX_SIZE = 1000;
  19.     char pairSeq[MAX_SIZE + 1][3] = {0};
  20.     int totalSeq = 0;
  21.     for (int i = 1; text[i]; ++i) {
  22.         addUniqueSeq(pairSeq, text, i, totalSeq);
  23.     }
  24.     return totalSeq;
  25. }
  26.  
  27. int main() {
  28. 	char text[] = "ababb";
  29. 	cout << displayNoSeq(text);
  30. 	return 0;
  31. }
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/2iME4B
language:
C++ (gcc 8.3)
created:
18 days ago
visibility:
public

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