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  1. #include <iostream>
  2. #include <math.h>
  3. #include <string>
  4. #include <map>
  5. #include <string.h>
  6. #include <vector>
  7. #include <time.h>
  8. #include <algorithm>
  9.  
  10. using namespace std;
  11. int toint(char c){
  12. 	return c-'0';
  13. }
  14. bool validtime(string s){
  15. 	if (toint(s[0]) !=3 && toint(s[1]) !=3 && toint(s[3]) !=3 && toint(s[4]) !=3 &&
  16. 			toint(s[0]) !=4 && toint(s[1]) !=4 && toint(s[3]) !=4 && toint(s[4]) !=4 &&
  17. 			toint(s[0]) !=7 && toint(s[1]) !=7 && toint(s[3]) !=7 && toint(s[4]) !=7){
  18. 					if (toint(s[4]) > 2) return false;
  19. 					if (toint(s[4]) == 2 && toint(s[3]) > 3) return false;
  20. 					return true;
  21. 	}
  22. 	else return false;
  23.  
  24. }
  25. int formattoint(string s){
  26. 	return (toint(s[0])*10+toint(s[1]))*60+(toint(s[3])*10+toint(s[4]));
  27. }
  28. string toformat(int time){
  29. 	string s;
  30. 	s+=to_string(time/600);
  31. 	s+=to_string((time/60)%10);
  32. 	s+=":";
  33. 	s+=to_string((time%60)/10);
  34. 	s+=to_string((time%60)%10);
  35. 	return s;
  36. }
  37.  
  38.  
  39. int main() {
  40. 	string s1,s2;
  41. 	char ch;
  42. 	int t;
  43. 	cin >> t;
  44.  
  45. 	for (int i = 0; i < t; i++) {
  46. 		int count=0;
  47. 		//getline(cin, s);
  48. 		cin>>s1>>ch>>s2;
  49. 		if (formattoint(s1)<=formattoint(s2)){
  50. 			for (int time = formattoint(s1);time<=formattoint(s2);time++) {
  51. 				if (validtime(toformat(time))){cout<<toformat(time)<<"\n"; count++;}
  52. 			}
  53. 		}
  54. 		else{
  55. 			for (int time = formattoint(s1);time<1440;time++) {
  56. 				if (validtime(toformat(time))) count++;
  57. 			}
  58. 			for (int time = 0;time<=formattoint(s2);time++) {
  59. 				if (validtime(toformat(time))) count++;
  60. 			}
  61. 		}
  62. 		cout<<count<<endl;
  63. 	}
  64. 	return 0;
  65. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/6OhzOL
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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