Problem description Despite the glorious fall colors in the midwest, there is a great deal of time to spend while on a train from St. Louis to Chicago. On a recent trip, we passed some time with the following game. We start with a positive integer S.…

A:Pythagoras's Revenge 代码: #include<cstdio> #define ll long long using namespace std; int main() { ll a; while(scanf("%lld",&a)!=EOF) { ) break; ll aa=a*a; ; ;i<a;i++) { ll x=i; ) continue; ll y=aa/i; !=) continue; >a) ans++; } p…

Find the nth digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ... Note: n is positive and will fit within the range of a 32-bit signed integer (n < 231). Example 1: Input: 3 Output: 3 Example 2: Input: 11 Output: 0 Explanatio…

Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. For example: Given n = 13, Return 6, because digit 1 occurred in the following numbers: 1, 10, 11, 12, 13. Hint: Beware of overflow.…

Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. For example:Given n = 13,Return 6, because digit 1 occurred in the following numbers: 1, 10, 11, 12, 13. Hint: Beware of overflow. 大…

C. Digit Tree time limit per test:3 seconds memory limit per test:256 megabytes input:standard input output:standard output ZS the Coder has a large tree. It can be represented as an undirected connected graph of n vertices numbered from 0 to n - 1 a…

date:2016-09-13 今天开始注册了kaggle,从digit recognizer开始学习, 由于是第一个案例对于整个流程目前我还不够了解,首先了解大神是怎么运行怎么构思,然后模仿.这样的学习流程可能更加有效,目前看到排名靠前的是用TensorFlow.ps:TensorFlow是可以直接安linux环境下面,但是目前不能在windows环境里面运行(伤心一万点). TensorFlow模块用的是NN(神经网络),既然现在接触到可以用神经网络的例子我再也不好意思再逃避学习神经网络下面…

Problem Introduction The Fibonacci numbers are defined as follows: \(F_0=0\), \(F_1=1\),and \(F_i=F_{i-1}+F_{i-2}\) for $ i \geq 2$. Problem Description Task.Given an integer \(n\),find the last digit of the \(n\)th Fibonacci number \(F_n\)(that is ,…

Last non-zero Digit in N! Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5861    Accepted Submission(s): 1451 Problem Description The expression N!, read as "N factorial," denotes the pro…

Backward Digit Sums Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6350   Accepted: 3673 Description FJ and his cows enjoy playing a mental game. They write down the numbers from 1 to N (1 <= N <= 10) in a certain order and then sum ad…