poj 2583 Series Determination

简介:

昨天没有刷题(心里有愧疚感。。。但是看了《算导》看了不少)

很水的题目,就是解一个三元一次方程组。

在草稿纸上面计算好,直接写答案的。


A = [f(2)-2*f(1)+f(0)]/2

B = [4*f(1)-f(2)-3*f(0)]/2

C = f(0)

于是有:


#include <stdio.h>

int main()
{
	int f0,f1,f2;

	//f(3)=f0-3*f1+3*f2
	//f(4)=3*f0-8*f1+6*f2
	//f(5)=6*f0-15*f1+10*f2
	while(scanf("%d%d%d",&f0,&f1,&f2)!=EOF)
	{
		printf("%d %d %d\n",f0-3*f1+3*f2,3*f0-8*f1+6*f2,6*f0-15*f1+10*f2);
	}

	return 0;
}


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