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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int c57 = 0, c8 = 0, c57x8 = 0;
  5. 	for (int i = 1; i < 1000000; i++) {
  6. 		char out_string[7];
  7. 		sprintf(out_string, "%d", i);
  8. 		if (strstr(out_string, "57") != NULL) c57++;
  9. 		if (strstr(out_string, "8") != NULL) c8++;
  10. 		if (strstr(out_string, "57") != NULL && strstr(out_string, "8") != NULL) c57x8++;
  11. 	}
  12. 	printf("c57 = %d\n", c57);
  13. 	printf("c8 = %d\n", c8);
  14. 	printf("c57x8 = %d\n", c57x8);
  15. 	return 0;
  16. }
Success #stdin #stdout 0.08s 4436KB
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stdin
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Standard input is empty
stdout
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c57 = 49401
c8 = 468559
c57x8 = 17081
https://ideone.com/6KEHUa
language:
C (clang 8.0)
created:
6 years ago
visibility:
public

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