目录

牛客HJ12 字符串反转

解析代码

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牛客HJ12 字符串反转

字符串反转_牛客题霸_牛客网

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解析代码

#include <iostream>
using namespace std;
int main()
{
	string str = "";
	cin >> str;
	int left = 0, right = str.size() - 1;
	while (left < right)
	{
		char tmp = str[left];
		str[left] = str[right];
		str[right] = tmp;
		++left;
		--right;
	}
	cout << str;
	return 0;
}