Matrix Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 4658 Accepted: 1189 Description Given a N × N matrix A, whose element in the i-th row and j-th column Aij is an number that equals i2 + 100000 × i + j2 - 100000 × j + i × j, you ar…
题目链接:http://poj.org/problem?id=3685 Matrix Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 7378 Accepted: 2187 Description Given a N × N matrix A, whose element in the i-th row and j-th column Aij is an number that equals i2 + 100000 ×…
F - 二分二分 Crawling in process... Crawling failed Time Limit:6000MS Memory Limit:65536KB 64bit IO Format:%lld & %llu Submit Status Description Given a N × N matrix A, whose element in the i-th row and j-th column Aij is an number that equals i2…
嵌套乘法的计算: \[ P(x) = 1 - x + x^2 - x^3 + ...+ x ^ {98} - x^{99} \] function y = nest( d, c, x, b ) if nargin < 4, b = zeros(d, 1); end y = c(d + 1); for i = d : -1 : 1 y = y.*(x - b(i)) + c(i); end end 等比数列的实现方式: \[ P(x) = \frac{1 - (-x)^{100} } {1 - (…