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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. #define COUNT 5
  5.  
  6. int check_number(char* str) {
  7. 	size_t i = 0;
  8. 	if (!str || str[0] == '\0') return 0;
  9. 	if (str[0] == '-' || str[0] == '+') i = 1;
  10. 	for(;str[i] != '\0'; ++i) {
  11. 		if (str[i] < '0' || str[i] > '9') return 0;
  12. 	}
  13. 	return 1;
  14. }
  15.  
  16. int count_symbol(char* str, char symbol) {
  17. 	int count = 0;
  18. 	for (; *str != '\0'; ++str)
  19. 		if (*str == symbol) ++count;
  20. 	return count;
  21. }
  22.  
  23. int main(void) {
  24. 	char numbers[COUNT][12]; // 12 = sign + 10 digits + \0
  25. 	size_t i;
  26.  
  27. 	int tmp;
  28. 	int max3 = 0;
  29. 	int max3Index = 0;
  30.  
  31. 	printf("Vvedite %d chisel:\n", COUNT);
  32. 	for (i = 0; i < COUNT; ++i) {
  33. 		scanf("%s", numbers[i]);
  34. 		if (!check_number(numbers[i])) {
  35. 			printf("Escho raz\n");
  36. 			--i;
  37. 			continue;
  38. 		}
  39. 		printf("Chislo[%d] = %s\n", i + 1, numbers[i]);
  40. 		if ((tmp = count_symbol(numbers[i], '3')) > max3) {
  41. 			max3Index = i;
  42. 			max3 = tmp;
  43. 		}
  44. 	}
  45. 	printf("\nChislo s dlinneishim 3 - chislo[%d] = %s\n", max3Index + 1, numbers[max3Index]);
  46. 	return 0;
  47. }
Success #stdin #stdout 0s 2160KB
comments (?)
stdin
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12345 767
23we
7ti8

33333
33
33333
stdout
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Vvedite 5 chisel:
Chislo[1] = 12345
Chislo[2] = 767
Escho raz
Escho raz
Chislo[3] = 33333
Chislo[4] = 33
Chislo[5] = 33333

Chislo s dlinneishim 3 - chislo[3] = 33333
https://ideone.com/RI69EF
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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