We can work this problem all in cents or in dollars. Here we will do it in dollars and put in the dollar sign ($) in the table as a reminder. The value of a dime is $0.10$0.10 and the value of a nickel is $0.05$0.05. The total value of all the coins is $2.25$2.25....
Let S be the set of n coins,in which there are m counterfeit coins, heavier (or lighter) than the normals. How many weighings do we need to find the m fakes by a balance? Denote by g_m(n) the least number of weighings we need.李安平刘彦佩中国科学通报:英文版...
easy basic dp problem x_sparrow_x:2021-09-03 02:03:34 AC in one Go quite easy recursion problem huangdachuan:2021-08-22 21:17:17 It has to be long long, int does not work, why is that for the same formula when we only do division operation?
A note on the counterfeit coins problem Some Results on the Counterfeit Coins Problem An improved lower bound for the $L_2$-discrepancy An Improved Lower Bound for Stack Sorting An Improved Lower Bound of the Spark with Application An Improved Lower Bound of The Spark With Application An Improv...
http://codeforces.com/contest/552/problem/C In this problem, if X ≤ wk for where k is the largest possible, then we don't need to use all coins that have higher power than k + 1, i.e. coins wk + 2, wk + 3, ...wn will not be used. To start with th...
【题目】Problem 23: A box contains 3 pennies, 5 nickels and 7 dimes. Eight coins are drawn without replacement,with each coin having an equal probability of being cho-sen. Find the probability that the value of the coins drawn is at least 60 cents. It is ( ).(A)$$ \frac { 3 7...
Problem F Flipping Coins Here’s a jolly and simple game: line up a row of N identical coins, all with the heads facing down onto the table and the tails upwards, and for exactly K times take one of the coins, toss it into the air, and replace it as it lands either heads-up or...
Problem Description Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch in a nearby shop. He wanted to pay the exact price(without change) and he known the pric...
4 Q: How to solve product quality problem? A: We will help you to solve it seriously and do our best to decrease loss, you will get good results. 5 Q: Are there any design, originations or set up fees? A: We offer a free design service and we do not ...
Hello Codeforcians, I tried to do the famous "coins in a line problem" where two players play a game in which at each turn a player can select one coin from one end of the line of coins (the coins are sorted in a row). The problem then is to determine the guaranteed profit ...