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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. void addUniqueSeq(char pairSeq[][2], char text[], int i, int& totalSeq) {
  6.     int currentPos = 0;
  7.     while (pairSeq[currentPos][0] && strstr(pairSeq[currentPos], text[i] + "" + text[i - 1]) == 0) {
  8.         ++currentPos;
  9.     }
  10.     if (pairSeq[currentPos][0] == 0) {
  11.         ++totalSeq;
  12.     }
  13.     strcpy(pairSeq[currentPos], text[i] + "" + text[i - 1]);
  14. }
  15.  
  16. int displayNoSeq(char text[]) {
  17.     const int MAX_SIZE = 1000;
  18.     char pairSeq[MAX_SIZE + 1][2] = {0};
  19.     int totalSeq = 0;
  20.     for (int i = 1; text[i]; ++i) {
  21.         addUniqueSeq(pairSeq, text, i, totalSeq);
  22.     }
  23.     return totalSeq;
  24. }
  25.  
  26. int main() {
  27. 	char text[] = "defgd";
  28. 	cout << displayNoSeq(text);
  29. 	return 0;
  30. }
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/e81ZOW
language:
C++ (gcc 8.3)
created:
18 days ago
visibility:
public

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