Codeforces Round #401 (Div. 2) C. Alyona and Spreadsheet last数组、预处理、优化
C. Alyona and Spreadsheet last数组、预处理、优化 My Solution 题意:给出n*m个树,询问第i行到第…
C. Alyona and Spreadsheet last数组、预处理、优化 My Solution 题意:给出n*m个树,询问第i行到第…
C - Michael and Cryptography 分解质因数+优化 Source URAL - 2102 MySolution 题意:每一个数都可…
J. Divisible Numbers 位运算+优化+前缀和 Source 2016 ACM Amman Collegiate Programming Contest…
King's Cake 模拟 优化 gcd source The question is from BC and hduoj 5640. My Solution //A rea…