[{"type":"Paragraph","children":[{"text":"请教：以下代码中，当res初始化不赋值时，竟然会导致while进入死循环，尽管逻辑上while的判断条件一定能为0，这算什么编译问题？"}],"slateId":"oNg43DRz4WJppb9OdtNDW"},{"type":"Paragraph","slateId":"JETIMCkAxyRATdeGjRKbA","children":[{"text":""}]},{"type":"Paragraph","slateId":"s9Hx__0bH78g2iuTPO8y4","children":[{"text":"class Solution {"}]},{"type":"Paragraph","slateId":"tmOIDPRPTAZKQeIwh5Spr","children":[{"text":"public:"}]},{"type":"Paragraph","slateId":"MQVEmXqNGMtIKlGDYs_uw","children":[{"text":""}]},{"type":"Paragraph","slateId":"3gdFhvW_Jrwbd74hB0xFL","children":[{"text":" int searchInsert(vector& nums, int target) {"}]},{"type":"Paragraph","slateId":"HLqgsFuTJTCgINWyzJ93s","children":[{"text":" int res; // 靠，初始化不赋值竟然会导致while死循环！！！！"}]},{"type":"Paragraph","slateId":"QRBd_8b6wrP_-OMuk6Gor","children":[{"text":" // int res = 0; // 初始化为0，while不死循环"}]},{"type":"Paragraph","slateId":"F7m8mExKgFHRu23Q3_CNB","children":[{"text":" int leftindex = 0;"}]},{"type":"Paragraph","slateId":"Bt35NIDygT17NlVZhEh9K","children":[{"text":" int rightindex = nums.size() - 1;"}]},{"type":"Paragraph","slateId":"PGGTUbmLMxHZRDl6zedzR","children":[{"text":" int mid = 0;"}]},{"type":"Paragraph","slateId":"GikkuYjc8-EJS3TGSBFYA","children":[{"text":" while( leftindex < rightindex )"}]},{"type":"Paragraph","slateId":"tVcVdbKttCzOM3BnSZ6Ol","children":[{"text":" {"}]},{"type":"Paragraph","slateId":"_2DxgebidN83PvrsaBnSD","children":[{"text":" bool kkk = (leftindex < rightindex) ;"}]},{"type":"Paragraph","slateId":"D4eAH41dowSnGdoRXMUXx","children":[{"text":" cout << \"区间：\" << leftindex << \"-\" << rightindex << \" 比较结果1：\" << kkk << endl;"}]},{"type":"Paragraph","slateId":"BWwyDTTz8doHvuIskxKFB","children":[{"text":""}]},{"type":"Paragraph","slateId":"-vQKxR_HNTvPtrjk3QhTJ","children":[{"text":" kkk = leftindex < rightindex; "}]},{"type":"Paragraph","slateId":"qowzhyyxoGAq0Ez1gXOVl","children":[{"text":" cout << \"区间：\" << leftindex << \"-\" << rightindex << \" 比较结果2：\" << kkk << endl;"}]},{"type":"Paragraph","slateId":"186R_xK6kfKbVrJ0-A22d","children":[{"text":""}]},{"type":"Paragraph","slateId":"-SxkQZTShterzqeE5Zbb5","children":[{"text":" mid = (leftindex + rightindex) / 2;"}]},{"type":"Paragraph","slateId":"eju4HPKlvb2Cy687g4v13","children":[{"text":" // cout << \"mid : \" << mid << endl;"}]},{"type":"Paragraph","slateId":"tvpsznc49jfy0aqaBdgqV","children":[{"text":" if( target == nums[mid])"}]},{"type":"Paragraph","slateId":"YWNGFKl9XDSwal1O1yJLY","children":[{"text":" {"}]},{"type":"Paragraph","slateId":"KRRo27SRsFraaNGtFJi-N","children":[{"text":" res = mid;"}]},{"type":"Paragraph","slateId":"f2QVMrZxXPg6uAP5Wu-YU","children":[{"text":" break;"}]},{"type":"Paragraph","slateId":"G9otQls9wVhqa4JyxT9F0","children":[{"text":" }"}]},{"type":"Paragraph","slateId":"dhKu1FyoH2D3WpxMpVIpq","children":[{"text":" else if( target < nums[mid]) // 在左边"}]},{"type":"Paragraph","slateId":"g5zGEIDpbhDJ7OUnC9GXV","children":[{"text":" {"}]},{"type":"Paragraph","slateId":"zda6W6N5mUGnTJhAOO41d","children":[{"text":" rightindex = mid; "}]},{"type":"Paragraph","slateId":"hL1VvmxBEdi6pJTpRGixb","children":[{"text":" }"}]},{"type":"Paragraph","slateId":"rSn82axnlJSR330ZbpF8g","children":[{"text":" else if( target > nums[mid] ) // 在右边"}]},{"type":"Paragraph","slateId":"R7GA1yZQ5DKAVek2RF3EK","children":[{"text":" {"}]},{"type":"Paragraph","slateId":"SwBl6Sm8_fpjoiqOyrKZe","children":[{"text":" leftindex = mid + 1;"}]},{"type":"Paragraph","slateId":"jt8-OrVMauT7CVrdAvXEl","children":[{"text":" } "}]},{"type":"Paragraph","slateId":"IwriBj9jyMlv9l8MSIKPB","children":[{"text":""}]},{"type":"Paragraph","slateId":"xXMvb0ntDytZG87WgYEKr","children":[{"text":" kkk = (leftindex < rightindex); "}]},{"type":"Paragraph","slateId":"kfic0ggHYRxpncCZ9x78I","children":[{"text":" cout << \"区间：\" << leftindex << \"-\" << rightindex << \" 比较结果3：\" << kkk << endl;"}]},{"type":"Paragraph","slateId":"0rliZbl78kapXuB3Qik0A","children":[{"text":""}]},{"type":"Paragraph","slateId":"zBBpVgoeEp_vaMW8KUtS8","children":[{"text":" }"}]},{"type":"Paragraph","slateId":"H5O-WUbOaupkOArHH7Z_K","children":[{"text":""}]},{"type":"Paragraph","slateId":"r0nzdS7bG9J-Wyfxslaty","children":[{"text":" return res;"}]},{"type":"Paragraph","slateId":"-wnCI3aBzMYpSszrYgYoA","children":[{"text":" }"}]},{"type":"Paragraph","slateId":"yhbHVOU3asG5hkJHC4ETw","children":[{"text":"};"}]}]