Hanoi Tower Troubles Again! ZOJ
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题目链接
题目大意 : 给n个pegs,有很多balls;两个ball之和必须是一个平方数;
给定一个n,最多能放多少个球????
(找规律)2 4 4 6 6 8 8 10 ;
水题不多解释啦!!!!!!!!
#include<iostream>#include<cstdio>using namespace std;//打表;int a[52];int main(){ int t,temp = 2; a[1] = 1; for(int i = 2; i < 52; i++) { if(i%2 != 0) temp += 2; a[i] = a[i-1] + temp; } cin >> t; while(t--) { int n; cin >> n; cout << a[n] << endl; }return 0;}
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