三是抓好全社会协同发力。广泛动员社会各方面力量，举国同心合力巩固拓展脱贫攻坚成果。强化东西部协作，东部8个省（直辖市）与西部10个省（自治区、直辖市）结对帮扶；持续开展定点帮扶，310家中央单位定点帮扶脱贫县；优化驻村帮扶，15万支驻村工作队、50多万名驻村干部奋战在乡村一线；拓展社会帮扶，开展“万企兴万村”行动，动员民营企业、社会组织发挥优势帮扶重点区域。跨地区、跨部门、全社会共同参与的社会帮扶体系更加完善，促进了脱贫地区在发展中不掉队、赶上来。
В России предупредили о скорой нехватке вагонов08:46
，更多细节参见91视频
В России предупредили о скорой нехватке вагонов08:46
We now maintain an index variable. Previously, the cursor was always at the right-end of the input, since you couldn't use arrow keys to move it left, and new input was always appended at the right-end. Now, we need to keep a separate index which is not necessarily at the end of the input, and when a user enters a character we splice it into the input in the correct location.