Educational Codeforces Round 61 (Rated for Div. 2)(題解)

Educational Codeforces Round 61 (Rated for Div. 2)(題解) A. Regular Bracket Sequence 題目大意 給出一些括號串"((","()",")(","))" ,cnt1,cnt2,cnt3,cnt4個，問用這些括號串可否組成括號之間相互匹配的大括號串html 解題思路 只要「((」,"))「的數目相等，且在其都爲0時不存在」)

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