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  1. #include<iostream>
  2. #include<cmath>
  3. #include<algorithm>
  4. #include<iomanip>
  5. #include<climits>
  6. #include<numeric>
  7. #include<set>
  8. #include<sstream>
  9. #include<map>
  10. #include<vector>
  11. #include<string>
  12.  
  13. using namespace std;
  14.  
  15. vector<string> split(string haystack, string needle) {
  16. 	vector<string> result;
  17. 	int start_pos = 0;
  18. 	int found_pos = haystack.find(needle, start_pos);
  19. 	while (found_pos != string::npos) {
  20. 		int count = found_pos - start_pos;
  21. 		string token = haystack.substr(start_pos, count);
  22. 		if (!token.empty()) {
  23. 			result.push_back(token);
  24. 		}
  25. 		start_pos = found_pos + needle.length();
  26. 		found_pos = haystack.find(needle, start_pos);
  27. 	}
  28. 	string token = haystack.substr(start_pos, haystack.length()-start_pos);
  29. 	if (!token.empty()) {
  30. 		result.push_back(token);
  31. 	}
  32. 	return result;
  33. }
  34. string nameConvert(const string& name) {
  35. 	const string DELIMITER = " ";
  36. 	stringstream builder;
  37. 	auto parts = split(name, DELIMITER);
  38. 	for (auto part : parts) {
  39. 		part[0] = toupper(part[0]);
  40. 		transform(part.begin()+1, part.end(),part.begin()+1, ::tolower);
  41. 		builder << part << DELIMITER;
  42. 	}
  43. 	return builder.str();
  44. }
  45. string dateConvert(const string& date) {
  46. 	const string DELIMITER = "/";
  47. 	stringstream builder;
  48. 	auto parts = split(date, DELIMITER);
  49. 	builder << setw(2) << setfill('0') << parts[0] << DELIMITER;
  50. 	builder << setw(2) << setfill('0') << parts[1] << DELIMITER;
  51. 	builder << parts[2];
  52. 	return builder.str();
  53.  
  54. }
  55.  
  56. int main() {
  57. 	string s;cin >> s;
  58. 	int maxLength = 1, currentLength = 1;
  59. 	int index = 0;
  60. 	string result = "";
  61. 	for (int i = 0;i < s.length();i++) {
  62. 		if (s[i] != s[i + 1]) {
  63. 			if (currentLength > maxLength) {
  64. 				maxLength = currentLength;
  65. 				result = s.substr(index, maxLength);
  66. 			}
  67. 			else if (currentLength == maxLength) {
  68. 				string tmp = s.substr(index, maxLength);
  69. 				result = max(result, tmp);
  70. 			}
  71. 			currentLength = 1;
  72. 			index = i + 1;
  73. 		}
  74. 		else {
  75. 			currentLength++;
  76. 		}
  77. 	}
  78. 	cout << result;
  79. }
  80.  
  81.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/U2kDhR
language:
C++ (gcc 8.3)
created:
9 hours ago
visibility:
public

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