19 lines
700 B
C++
19 lines
700 B
C++
#include <string>
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#include <algorithm>
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/**
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* 844. Backspace String Compare
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* Given two strings s and t, return true if they are equal when both are typed into empty text editors. '#' means a backspace character.
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* Note that after backspacing an empty text, the text will continue empty.
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*/
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class Solution {
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public:
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static bool backspaceCompare(const std::string& s, const std::string& t) {
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std::string ss, tt;
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std::for_each(s.cbegin(), s.cend(), [&](char c) { if (c == '#') { if (!ss.empty()) ss.pop_back(); } else ss.push_back(c); });
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std::for_each(t.cbegin(), t.cend(), [&](char c) { if (c == '#') { if (!tt.empty()) tt.pop_back(); } else tt.push_back(c); });
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return ss == tt;
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}
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};
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