本文主要是介绍UVA - 10334 Ray Through Glasses,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
题意:在n次的反射后一共有几条线,这里解释的很好点击打开链接
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
const int MAXN = 1005;int n,f[MAXN][MAXN];void init(){f[1][0] = 1;f[2][0] = 1;int a,c = 0;for (int i = 3; i <= MAXN; i++)for (int j = 0; j < 250; j++){a = f[i-1][j] + f[i-2][j] + c;c = a / 10;f[i][j] = a % 10;}
}int main(){init();while (scanf("%d",&n) != EOF){n += 2;int cnt = 250;while (f[n][cnt] == 0)cnt--;for (int i = cnt; i >= 0; i--)printf("%d",f[n][i]);printf("\n");} return 0;
}
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