http://acm.hdu.edu.cn/showproblem.php?pid=2018
#include <stdio.h> #include <cstring> #include <algorithm> #include <vector> #include <map> #include <assert.h> #include <set> #include <cmath> #include <queue> #include <cstdlib> #include <iostream> #include <bitset> #define pii pair<int,int> #define fi first #define se second #define pb push_back using namespace std; typedef long long ll; const int mxn = 1e2+5; int n,m,k,t,dp[mxn],a[mxn]; int main() { for(int i=1;i<55;i++) dp[i] = i<=4 ? i : dp[i-1]+dp[i-3] ; while(cin>>n) { if(n) cout<<dp[n]<<endl; else break; } return 0 ; }
原文地址:https://www.cnblogs.com/Shallow-dream/p/12248490.html
时间: 2024-10-12 17:12:33