leetcode2sumc leetcode php Leetcode在PHP上的解决方案

leetcode 2和c力码PHP Leetcode在PHP上的解决方案简单的水平1.二和显示解决方案function twoSum ( $ nums , $ target ) { foreach ( $ nums as $ key => $ val ) { unset( $ nums [ $ key ]); $ nextKey = array_search (( $ target - $ val ), $ nums ); if ( $ nextKey ) { return [ $ key , $ nextKey ]; } } return []; } 7.反转整数显示解决方案function reverse ( $ x ) { if ( is_int ( $ x ) === false || $ x === null || $ x === 0 ) return 0 ; $ res = $ x < 0 ? - abs ( strrev ( $ x )) : ( int ) strrev ( $ x ); if ( $ res < - 2147483648