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果然dp要注意相等的情况compare函数要加入相等的判断 struct Box { int wid; int len; Box(int x, int y) : wid(x), len(y) {} bool operator< (const Box &b) const { if(wid == b.wid) return len < b.len; else return wid < b.wid; } //return wid < b.wid; } }; 否则的话 4 1 2 1 4 1 3 1 5 这个case就会错 Followed by: Post your reply here: |
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