Problem Description: Your are given an array of positive integers nums. Count and print the number of (contiguous) subarrays where the product of all ...
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其他好文 时间：
2019-03-29 14:46:24
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161
1. 什么是ROC曲线？ ROC曲线是Receiver operating characteristic curve的简称，中文名为“受试者工作特征曲线”。ROC曲线源于军事领域，横坐标为假阳性率（False positive rate，FPR）,纵坐标为真阳性率（True positive rat ...
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2019-03-24 09:16:48
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300
A sequence X_1, X_2, ..., X_n is fibonacci-like if: n >= 3 X_i + X_{i+1} = X_{i+2} for all i + 2 <= n Given a strictly increasing array A of positive ...
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2019-03-23 12:58:30
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118
C - Digital Roots Description The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single ...
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2019-03-17 19:39:55
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179
Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. Example ...
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2019-03-16 09:42:45
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146
SOJ 3085: windy's cake V http://acm.scu.edu.cn/soj/problem.action?id=3085 Given a list of $n$ positive integers $num[1], ..., num[n]$, denote the scor ...
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2019-03-14 13:42:46
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164
Given a positive integer n, find the number of non-negative integers less than or equal to n, whose binary representations do NOT contain consecutive ...
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其他好文 时间：
2019-03-09 23:16:42
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170
传送门：点我 A. Lengthening Sticks time limit per test 1 second You are given three sticks with positive integer lengths of a,?b, and c centimeters. You can ...
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2019-03-09 11:37:18
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188
Given an array of integers, find the first missing positive integer in linear time and constant space. In other words, find the lowest positive intege ...
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2019-03-08 09:20:26
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120
Apart from the novice programmers, all others know that you can’t exactly represent numbers raised to some high power. For example, the C function pow ...
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其他好文 时间：
2019-03-04 11:12:47
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169
