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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. #define MS 1000
  6.  
  7. char oneDigit[][10] = {"Khong", "Mot", "Hai", "Ba", "Bon", "Lam", "Sau", "Bay", "Tam", "Chin"};
  8. char base[][10] = {"", "Muoi", "Tram", "Nghin", "Muoi", "Tram", "Trieu", "Muoi", "Tram", "Ty"};
  9.  
  10. char *d2w(char s[]) {
  11. 	char *word = calloc(1, MS);
  12. 	int size = strlen(s);
  13. 	if (size == 0)
  14. 		return NULL;
  15. 	for (int i = 0; i < size; i++)
  16. 		s[i] -= '0';
  17. 	if (size == 1) {
  18. 		strcpy(word, oneDigit[(int)s[0]]);
  19. 		return word;
  20. 	}
  21. 	for (int i = 0, j = size - 1; i < j; i++, j--) {
  22. 		char t = s[i];
  23. 		s[i] = s[j];
  24. 		s[j] = t;
  25. 	}
  26. 	for (int i = size - 1; i >= 0; i--) {
  27. 		int k = i;
  28. 		while (k >= 10) {
  29. 			k -= 9;
  30. 		}
  31. 		if (!strcmp(oneDigit[(int)s[i]], "Khong") && !strcmp(base[k], "Muoi") && s[i - 1] != 0)
  32. 			strcat(word, "Linh ");
  33. 		else if (!strcmp(oneDigit[(int)s[i]], "Mot") && !strcmp(base[k], "Muoi"))
  34. 			strcat(word, "Muoi ");
  35. 		else if (s[i] != 0 || (!strcmp(base[k], "Tram") && s[i - 2] != 0)) {
  36. 			strcat(word, oneDigit[(int)s[i]]);
  37. 			strcat(word, " ");
  38. 			strcat(word, base[k]);
  39. 			strcat(word, " ");
  40. 		} else if (((i % 3 == 0) && (s[i + 1] != 0 || s[i + 2] != 0)) || (!strcmp(base[k - 6], "Nghin"))) {
  41. 			strcat(word, base[k]);
  42. 			strcat(word, " ");
  43. 		}
  44. 	}
  45. 	return word;
  46. }
  47.  
  48. int main() {
  49. 	char s[MS];
  50. 	do {
  51. 		printf("Enter an integer: ");
  52. 		scanf("%s", s);
  53. 		while (getchar() != '\n');
  54. 		for (int i = 0; i < strlen(s); i++)
  55. 			printf("%c", s[i]);
  56. 		printf(" in words is: %s\n", d2w(s));
  57. 		printf("\nDo you want continue:\n");
  58. 		printf("1. Yes\n0. No\n");
  59. 	} while (getchar() != '0');
  60. 	return 0;
  61. }
  62.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin
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1000001000000001
1
15
0
stdout
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Enter an integer: 1000001000000001 in words is: Mot Trieu Khong Tram Linh Mot Ty Khong Tram Linh Mot  

Do you want continue:
1. Yes
0. No
Enter an integer: 15 in words is: Muoi Lam  

Do you want continue:
1. Yes
0. No
https://ideone.com/IYTuZk
Sherly1001 (not finish)
language:
C (gcc 8.3)
created:
4 years ago
visibility:
secret

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