'; mso-spacerun: 'yes'"> </span><span style="color: rgb(0,0,0); font-family: 'Times New Roman'; mso-spacerun: 'yes'">n,m</span><span style="color: rgb(0,0,0); font-family: '宋体'; mso-spacerun: 'yes'">，分别表示物品个数和查询条数。</span><span style="color: rgb(0,0,0); font-family: 'Times New Roman'; mso-spacerun: 'yes'"> </span><span style="color: rgb(0,0,0); font-family: 'Times New Roman'; mso-spacerun: 'yes'">&nbsp;</span></span><span style="font-size: 11pt; color: rgb(0,0,0); font-famil