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  1.  
  2. #include <iostream>
  3. #include <string.h>
  4. #include <stdio.h>
  5. using namespace std;
  6. #define MAX 300
  7.  
  8. int myStrlen(char s[], int k);
  9. void myStrcpy(char s[], int vt, char s1[], int k);
  10. void mySubstr(char s[], int b, int count, char ss[]);
  11. bool myStrcat(char s1[], char s2[]);
  12. void ChenChuoiTaiVitriK(char s[], char s1[], int k);
  13.  
  14. int main()
  15. {
  16. 	char s[MAX], s1[MAX];
  17. 	fgets(s,MAX,stdin);
  18. 	fgets(s1,MAX,stdin);
  19. 	int k;
  20. 	cin >> k;
  21. 	if (k < 0 || k>myStrlen(s, 0))
  22. 		cout << "Vi tri " << k << " khong thoa dieu kien." << endl;
  23. 	else
  24. 	{
  25.  
  26.  
  27. for (int i = 0; i<k ; i++) cout << s[i];
  28. 	    for (int i = 0; i<myStrlen(s1,0) ; i++) cout << s1[i];
  29. 	    for (int i = k; i<myStrlen(s,0) ; i++) cout << s[i];
  30. 	}
  31. 	return 0;
  32. }
  33.  
  34.  
  35. int myStrlen(char s[], int k){
  36.     int dem = 0;
  37.     for (int i=0;s[i]!='\0';i++) ++dem;
  38.     return dem-1;
  39. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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Vi tri 0 khong thoa dieu kien.
https://ideone.com/1Mw9SX
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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