128.最长连续序列

题目最长连续序列 点击跳转文章目录题目描述HashSet题目描述HashSetclassSolution{publicintlongestConsecutive(int[]nums){HashSetIntegerhashsetnewHashSet();intmax0;for(intnum:nums){hashset.add(num);}for(intnum:hashset){if(!hashset.contains(num-1)){intcurnum;intcount1;while(hashset.contains(cur1)){cur;count;}maxMath.max(max,count);}}returnmax;}}