You had a total of n coins so want to form in a staircase shape, where every K-th Row must had E xactly k coins.Given N, find the total number of full staircase rows that can be formed.N is a non-negative integer and fits within the range of a 32-bit signed integer.Example 1:n = 5The coins can form the following rows:¤¤¤¤¤because the 3rd row is incomplete, we return 2.Example 2:n = 8The
1031: Minimum number of coinsTime limit: 1 Sec Memory limit: 128 MB
Submitted: 125 Settlement: 104
Submitted State [Discussion Version]
Topic DescriptionThis is an old and classic question. There are generally several ways of forming a sum of money with a given number of coins. For example: given 6 kinds of coin face value of 2, 5, 10, 20, 50, 100, used to collect 15 yuan, can be 5 yuan, a 2 yuan, or 5 3 yuan, or a 5 yuan, a 5 yuan, and so on. Obvious
A young man grabbed a mouse and sold it to the drug store. He got a copper coin.He walked over the garden and heard the Flowers say that he was thirsty, and he had another idea. He bought a little syrup with the copper coin and gave it to the flowers. When the flowers drank water, one of them gave him a bunch of flowers. He sold the flowers at the market and got eight copper coins.One day, the wind and rain, the orchards are everywhere are blown by the wind. The young man said to the gardener, "
Problem Description:You have a total of n coins, you need to put them in a ladder shape, the K -line must have exactly the k coin.Given a number n, find the total number of rows that can form a complete ladder row.N is a non-negative integer and is within the range of a 32-bit signed integer.Example 1:n = 5 coins can be arranged in the following lines: ¤¤¤¤¤ returns 2 because the third line is incomplete.Ex
The maximum value of the sum of the non-adjacent gold coins.Enter the gold value of the N gold coins (positive custom) to find the maximum values of the gold coins that are not adjacent to each other.Dynamic Planning Issues 1Set f (n) to the maximum value of the nth gold number, F (0) =0,f (1) =a[1], and the input array starts with the subscript 1.F (n) =max{a[n]+f (n-2), F (n-1)}.The code is as follows:Imp
Uvs -- 562 Dividing coins + dp, dividing
Question:
Give a bunch of coins and divide them into two parts to minimize the difference between the two parts; output the smallest difference.
Ideas:
After thinking for a long time, I did not expect a suitable state transition equation. After reading other people's question solutions, you can turn it into a backpack.
We use all the
Topic Link: Click to open the linkTest instructions: n coins, given the value of each coin, require that these coins be divided into two groups, making the value of the two groups as small as possible.It can be found that if you can split equally, then the value difference must be 0, then from SUM/2 to 0 enumeration I, if the value combination of the above coin can be composed of I then sum-i-i is the answe
Coins in a line IIIThere is n coins in a line. A coin from one of the ends of the line until there is no more coins left. The player with the larger amount for money wins.Could decide the first player would win or lose?ExampleGiven array A = [3,2,2] , return true .Given array A = [1,2,4] , return true .Given array A = [1,20,4] , return false .ChallengeFollow up Q
Topiccoins lined up in lineA n coin is lined up in a line. Two contestants took the 1 or 2 coins in turn from the right until there were no coins. The man who gets the last coin wins.Please decide whether the first player loses or wins?Sample Examplen = 1 , returns true .n = 2 , returns true .n = 3 , returns false .n = 4 , returns true .n = 5 , returns true .challengesO (1) time complexity and O (1) storage
Ask the hero to convert the number into coins. How can we convert numbers into coins? Nbsp; for example, convert 10000 to 10,000.00 to seek the hero solution ., Quote: reference: Reference: $ str = '000000'; echonumber_format ($ str, 2 ,'. ',', '); 10,000.00 if the number of digits is not fixed, use str_length to determine the format of hero and convert the number into
Coin shopping, incorrect printing of coins on nails
2016.1.27
Question description
There are currently four types of coins with different nominal values: ci (I = 1, 2, 4 ). Someone goes to the store to buy things, and goes to tot. Each time they bring di ci coins, they buy goods worth si. How many payment methods are there each time.
Note, to recharge must be a member, not recharge your recharge to where to go, so you must first register an account, and then recharge in the personal Center can be as follows.
How to recharge gold coins in live chestnut
1, on the phone to open "Chestnut Live" and then click on the interface of the "my" option, as shown in the following figure
2. After entering, we click on "My Gold coins (rechar
A coin with a value of n can be replaced by a n/2,n/3,n/4 of three coins, requiring the value of coins and as much as possible.Top 100,000 dozen watches, back on BFS ...#include #includeinta[100005];intq[100005],l,r,t,i,n;Long Longans;intMain () { for(i=0; i100000; i++) {A[i]=a[i/2]+a[i/3]+a[i/4]; if(I>a[i]) a[i]=i; } while(SCANF ("%d", n)! =EOF) {L=0; r=1; ans=0; memset (q,0,sizeof(q)); q[1]=N; while(
Title Link: POJ-1742Main topicExisting n different coins, each with a face value of Vi, the number of Ni, ask how many of these coins can be used to make up [1,m] in the range of face value.Problem analysisUsing an O (nm) DP (it is said to be a multi-class backpack?) ), enumerate each kind of coin, for each kind of coin I enumerate each face value J, if this face value J uses before the i-1 kind of coin alr
Enter m digits (positive number, must contain 1.) represents the face value of gold, and then enter n for the total amount of money exchanged, in order to obtain the minimum number of coins.Dynamic Planning Issues 2The basic idea of dynamic programming is to solve the problem of solving problems, solve the sub-problem, and save the solution of these sub-problems, if the solution of these sub-problems need to be solved later in solving the larger sub-problems, we can take out the calculated solut
Description:
At present, there are n bowls of A and B noodles each, and the method of throwing coins is used to decide which noodles to eat. You do not need to throw a coin when there is only one noodle. Enter n to ask for the mathematical expectation of throwing coins after eating all the noodles. (N
Analysis:
This phrase must be recognized:Mathematical expectation(Mathematical expectation ).
The general
Divide the coin into two heaps to minimize the difference between the two heaps of coins.
0-1 backpack, which can calculate all the sum of coins, and then start to explore 0 from Sum/2 (sum is the sum of all coins, until you find the biggest coin and I that can be made up by the given coin, and the minimum difference is sum-2 * I.
The Code is as follows:
#includ
Use a regular Multi-backpack to meet TLE.
The optimization is as follows:
// This question is mainly because cost and weight are the same, and only ask whether the number can be included. // set the DP array to bool type. If it can be reached, it is counted as 1; otherwise, it is 0. // The initial condition is DP [0] = 1; it indicates that 0 dollars can always generate ~ // The transfer equation is DP [I] | = DP [I-A [I]; which indicates the conditions for the total amount of money I can genera
There are n coins in a line. two players take turns to take a coin from one of the ends of the line until there are no more coins left. the player with the larger amount of money wins.
Cocould you please decide the first player will win or lose?Example
Given array A =[3,2,2], Returntrue.
Given array A =[1,2,4], Returntrue.
Given array A =[1,20,4], Returnfalse.Challenges
Follow up question:
If n is even. Is
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