Sequence in the Pocket 题目链接(点击) DreamGrid has just found an integer sequence in his right pocket. As DreamGrid is bored, he decides to play with the sequence. He can perform the following operation any number of times (including zero time): select a…
Sequence in the Pocket Time Limit: 1 Second Memory Limit: 65536 KB DreamGrid has just found an integer sequence in his right pocket. As DreamGrid is bored, he decides to play with the sequence. He can perform the following operation any number…
UVa10025 ? 1 ? 2 ? ... ? n = k problem The problem Given the following formula, one can set operators '+' or '-' instead of each '?', in order to obtain a given k? 1 ? 2 ? ... ? n = k For example: to obtain k = 12 , the expression to be used will be:…
Problem Description A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7. Given A, B, and n, you are to calculate the value of f(n). Input The input consists of multiple test cases. Each test case…
时间限制:C/C++ 1秒,其他语言2秒 空间限制:C/C++ 262144K,其他语言524288K 64bit IO Format: %lld 题目描述 IG won the S championship and many people are excited, ii and gg are no exception. After watching the game, the two of them also want to play a game. There is now an infin…
思维~ #include<bits/stdc++.h> using namespace std; ; int a[maxn]; int b[maxn]; int N; int main () { int T; scanf ("%d",&T); while (T--) { scanf ("%d",&N); ;i<=N;i++) { scanf ("%d",&a[i]); b[i]=a[i]; } sort…
Description Colossal! — exclaimed Hawk-nose. — A programmer! That's exactly what we are looking for. Arkadi and Boris Strugatsky. Monday starts on Saturday Reading the book "Equations of Mathematical Magic" Roman Oira-Oira and Cristobal Junta fo…