D. Restoring Numbers   Vasya had two arrays consisting of non-negative integers: a of size n and b of size m. Vasya chose a positive integerk and created an n × m matrix v …

题目链接:http://codeforces.com/problemset/problem/509/D 题意:题目给出公式w[i][j]= (a[i] + b[j])% k; 给出w,要求是否存在这样的数列,若存在则求出a,b 和k 题解:如果有符合条件的点的话那么a[i],b[j]可以任意转换比如说a[i],b[j]可以转化为a[i]-p,b[i]+p.所以只要存在 符合条件的解的a[i]可以为任意值.也就是说a[i]可以先赋值为0然后其他就都可以推出来了,当然开始推出后会发现 有负的,没事,…

Description Polycarp has guessed three positive integers \(a\), \(b\) and \(c\). He keeps these numbers in secret, but he writes down four numbers on a board in arbitrary order - their pairwise sums (three numbers) and sum of all three numbers (one n…

Content 已知有三个正整数 \(a,b,c\),现在给出 \(a+b,a+c,b+c,a+b+c\)(不保证有序)的值,试求出 \(a,b,c\). 数据范围:\(2\leqslant a+b,a+c,b+c,a+b+c\leqslant 10^9\). Solution 肯定地,如果是无序的话,那么我们肯定要先对这四个值排序,得到: \[\begin{cases}x_1=a+b\\x_2=a+c\\x_3=b+c\\x_4=a+b+c\end{cases} \] 那么,运用加减消元,我们…

E. Restoring Increasing Sequence time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Peter wrote on the board a strictly increasing sequence of positive integers a1, a2, ..., an. Then Vasil rep…

BACKGROUND OF THE INVENTION The present invention relates generally to single-instruction, multiple-data (SIMD) processing and, more specifically, to a technique for saving and restoring thread group operating state. In a conventional SIMD architectu…

C. Restoring Permutation time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output You are given a sequence b1,b2,-,bn. Find the lexicographically minimal permutation a1,a2,-,a2n such that bi=min(a2i−1,a…

在Java位运算总结-leetcode题目博文中总结了Java提供的按位运算操作符,今天又碰到LeetCode中一道按位操作的题目 Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive. For example, given the range [5, 7], you should return 4. 题意:…

Sum of Consecutive Prime Numbers Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 20050   Accepted: 10989 Description Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representatio…

You are given two linked lists representing two non-negative numbers. The most significant digit comes first and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. You may assume the two numbers do not con…