最大不重复子串(字节跳动笔试)

 输入:abcc 输出:3

 输入:baddabce 输出: 4

#include<iostream>
#include<string>
#include<vector>

using namespace std;
int main() {
	string str;
	getline(cin, str);
	int count = 0;
	int max = 0;
	 
	vector<char> vec;
	for (int i = 0; i < str.size(); ++i) {
		
		//在vec中搜索当前字符
		int j;
		for (j = 0; j < vec.size(); ++j) {
			if (vec[j] == str[i])
				break;
		}
		if (j == vec.size())//表示当前字符没有出现在vec中
			vec.push_back(str[i]);

		else {
			vec.clear();
			vec.push_back(str[i]);
		}
		count = vec.size();
		if (count > max)
			max = count;

	}
	cout << max << endl;
	system("pause");
}

猜你喜欢

转载自blog.csdn.net/weixin_40804971/article/details/82560341