UESTC 1597 An easy problem C 线段树+延迟操作+一次函数
An easy problem C 线段树+延迟操作+一次函数 Source 2017 UESTC Training for Data Structures UESTC…
An easy problem C 线段树+延迟操作+一次函数 Source 2017 UESTC Training for Data Structures UESTC…
Q - 昊昊爱运动 II 线段树+延迟操作+bitset Source 2016 UESTC Training for Data Structures P…