D. Once Again... You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that ai = ai - n. Find the length of…

B. Once Again... time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that …

题目链接:https://codeforces.com/contest/1437/problem/E 题意 给出一个大小为 \(n\) 的数组 \(a\) 和一个下标数组 \(b\),每次操作可以选择数组 \(b\) 外的任意下标 \(i\) 并将 \(a_i\) 赋值为任意数,问能否经过操作使得数组 \(a\) 严格递增,如果可以,计算所需的最少操作次数. 题解 令 \(c_i = a_i - i\),如果数组 \(a\) 严格递增,那么数组 \(c\) 一定为非递减序. 所以判断下标数组 \…

D. Once Again... time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that …

http://codeforces.com/contest/353/problem/C Codeforces Round #205 (Div. 2)C #include<stdio.h> ]; ]; ]; int Max(int a,int b){ if(a<b)return b; else return a; } int main(){ int n; while(scanf("%d",&n)!=EOF){ int i; dp[]=; ;i<=n;i++…

B. Once Again... Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/582/problem/B Description You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that ai = ai -…

C. GCD Table Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/583/problem/C Description The GCD table G of size n × n for an array of positive integers a of length n is defined by formula Let us remind you that the greatest c…

http://codeforces.com/contest/583/problem/D 原题:You are given an array of positive integers a1, a2, ..., an × T of length n × T. We know that for any i > n it is true that ai = ai - n. Find the length of the longest non-decreasing sequence of the give…

题目链接:http://codeforces.com/contest/583/problem/C C. GCD Table time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The GCD table G of size n × n for an array of positive integers a of length n …

C. GCD Table The GCD table G of size n × n for an array of positive integers a of length n is defined by formula Let us remind you that the greatest common divisor (GCD) of two positive integers x and y is the greatest integer that is divisor of both…