Github 同步地址: https://github.com/grandyang/leetcode/issues/964 参考资料: https://leetcode.com/problems/least-operators-to-express-number/ https://leetcode.com/problems/least-operators-to-express-number/discuss/208445/c%2B%2B-recursive-easy-to-understand https://leetcode.com/problems/least-o...
Here is my (non working) code: publicintshortestSubarray(int[]A,intK){intptr=0;intsum=0;intsol=Integer.MAX_VALUE;for(inti=0;i<A.length;++i){sum+=A[i];while(sum>=K){sol=Math.min(sol,i-ptr+1);sum-=A[ptr++];}}return(sol==Integer.MAX_VALUE)?-1:sol;} . My bad! Reply ...
Show me the code! classLRUCache{classEntry{intkey;intval;Entrypost;Entrypre;publicEntry(intkey,intval){this.key=key;this.val=val;this.post=null;this.pre=null;}}Entryhead;//record the newest itemEntrytail;//record the oldest itemMap<Integer,Entry>map=newHashMap<>();intcapacity=0;intsize...