题目链接: "CF817C" 前置算法 : 二分 我们先考虑如何得到答案,若最小满足$x$减去其各数位之和后大于$s$ $ans = n x + 1$ 我们只要打个表就可以发现$:$ 若$x define ull unsigned long long using namespace std; ull ...
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其他好文 时间:
2020-01-21 13:26:02
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57
An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the ...
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其他好文 时间:
2020-01-21 13:21:50
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88
Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j]. You need to return the number of important reverse pai ...
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其他好文 时间:
2020-01-19 22:19:33
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77
1、题目描述: LL今天心情特别好,因为他去买了一副扑克牌,发现里面居然有2个大王,2个小王(一副牌原本是54张^_^)...他随机从中抽出了5张牌,想测测自己的手气,看看能不能抽到顺子,如果抽到的话,他决定去买体育彩票,嘿嘿!!“红心A,黑桃3,小王,大王,方片5”,“Oh My God!”不是顺 ...
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其他好文 时间:
2020-01-19 12:46:19
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112
B. Divisors of Two Integers Recently you have received two positive integer numbers xx and y. You forgot them, but you remembered a shuffled list cont ...
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其他好文 时间:
2020-01-18 14:25:38
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98
Given an array of integers nums and a positive integer k, find whether it's possible to divide this array into sets of k consecutive numbersReturn Tru ...
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其他好文 时间:
2020-01-18 10:37:01
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92
D - Beautiful Numbers Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal represent ...
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其他好文 时间:
2020-01-16 19:06:21
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79
题目 Given a sequence of K integers {$N_{1},N_{2},...N_{k}$}. A continuous subsequence is defined to be {$N_{i},N_{i+1},...N_{j}$} where $1≤i≤j≤K$. The ...
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其他好文 时间:
2020-01-16 17:22:49
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63
原题链接在这里:https://leetcode.com/problems/24-game/ 题目: You have 4 cards each containing a number from 1 to 9. You need to judge whether they could operate ...
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其他好文 时间:
2020-01-16 14:51:19
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97
Write a program that outputs the string representation of numbers from 1 to n, however: If the number is divisible by 3, output "fizz". If the number ... ...
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其他好文 时间:
2020-01-16 14:33:41
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73