question large_stringlengths 265 13.2k |
|---|
Solve the programming task below in a Python markdown code block.
Takahashi is standing on a multiplication table with infinitely many rows and columns.
The square (i,j) contains the integer i \times j. Initially, Takahashi is standing at (1,1).
In one move, he can move from (i,j) to either (i+1,j) or (i,j+1).
Given a... |
Solve the programming task below in a Python markdown code block.
Alice and Bob have decided to play the game "Rock, Paper, Scissors".
The game consists of several rounds, each round is independent of each other. In each round, both players show one of the following things at the same time: rock, paper or scissors. ... |
Solve the programming task below in a Python markdown code block.
This problem is given in two editions, which differ exclusively in the constraints on the number $n$.
You are given an array of integers $a[1], a[2], \dots, a[n].$ A block is a sequence of contiguous (consecutive) elements $a[l], a[l+1], \dots, a[r]$ (... |
Solve the programming task below in a Python markdown code block.
You are given two strings $s$ and $t$. Both strings have length $n$ and consist of lowercase Latin letters. The characters in the strings are numbered from $1$ to $n$.
You can successively perform the following move any number of times (possibly, zero)... |
Solve the programming task below in a Python markdown code block.
Ivan wants to play a game with you. He picked some string $s$ of length $n$ consisting only of lowercase Latin letters.
You don't know this string. Ivan has informed you about all its improper prefixes and suffixes (i.e. prefixes and suffixes of lengt... |
Solve the programming task below in a Python markdown code block.
Salve, mi amice.
Et tu quidem de lapis philosophorum. Barba non facit philosophum. Labor omnia vincit. Non potest creatio ex nihilo. Necesse est partibus.
Rp:
I Aqua Fortis
I Aqua Regia
II Amalgama
VII Minium
IV Vitriol
Misce... |
Solve the programming task below in a Python markdown code block.
There is a house with $n$ flats situated on the main street of Berlatov. Vova is watching this house every night. The house can be represented as an array of $n$ integer numbers $a_1, a_2, \dots, a_n$, where $a_i = 1$ if in the $i$-th flat the light is ... |
Solve the programming task below in a Python markdown code block.
You are given an array $a$ consisting of $n$ integers.
Your task is to say the number of such positive integers $x$ such that $x$ divides each number from the array. In other words, you have to find the number of common divisors of all elements in the ... |
Solve the programming task below in a Python markdown code block.
Vova's house is an array consisting of $n$ elements (yeah, this is the first problem, I think, where someone lives in the array). There are heaters in some positions of the array. The $i$-th element of the array is $1$ if there is a heater in the positi... |
Solve the programming task below in a Python markdown code block.
Given is a positive integer N.
How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
-----Constraints-----
- 2 \leq N \leq 10^6
- All values in input are integers.
-----Input-----
Input is given from Standard Input in the followi... |
Solve the programming task below in a Python markdown code block.
You are given a bracket sequence $s$ consisting of $n$ opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' between the o... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is the length of the string.
You are given a string $s$ and a string $t$, both consisting only of lowercase Latin letters. It is guaranteed that $t$ can be obtained from $s$ by removing some (possibly,... |
Solve the programming task below in a Python markdown code block.
Given are integers a,b,c and d.
If x and y are integers and a \leq x \leq b and c\leq y \leq d hold, what is the maximum possible value of x \times y?
-----Constraints-----
- -10^9 \leq a \leq b \leq 10^9
- -10^9 \leq c \leq d \leq 10^9
- All values... |
Solve the programming task below in a Python markdown code block.
Vova had a pretty weird sleeping schedule. There are $h$ hours in a day. Vova will sleep exactly $n$ times. The $i$-th time he will sleep exactly after $a_i$ hours from the time he woke up. You can assume that Vova woke up exactly at the beginning of th... |
Solve the programming task below in a Python markdown code block.
You are given a problemset consisting of $n$ problems. The difficulty of the $i$-th problem is $a_i$. It is guaranteed that all difficulties are distinct and are given in the increasing order.
You have to assemble the contest which consists of some pro... |
Solve the programming task below in a Python markdown code block.
You are given an array $a$ consisting of $n$ integers $a_1, a_2, \dots, a_n$.
Your problem is to find such pair of indices $i, j$ ($1 \le i < j \le n$) that $lcm(a_i, a_j)$ is minimum possible.
$lcm(x, y)$ is the least common multiple of $x$ and $y$ (... |
Solve the programming task below in a Python markdown code block.
There is a staircase with N steps. Takahashi is now standing at the foot of the stairs, that is, on the 0-th step.
He can climb up one or two steps at a time.
However, the treads of the a_1-th, a_2-th, a_3-th, \ldots, a_M-th steps are broken, so it is d... |
Solve the programming task below in a Python markdown code block.
Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it?
-----Input-----
The input contains a single integer n (0 ≤ n ≤ 2000000000).
-----Output-----
Output a single integer.
-----Examples-----
Input
11
Output
2
Input
14
O... |
Solve the programming task below in a Python markdown code block.
-----Input-----
The input contains a single integer a (1 ≤ a ≤ 30).
-----Output-----
Output a single integer.
-----Example-----
Input
3
Output
27
Read the inputs from stdin solve the problem and write the answer to stdout (do not directly test ... |
Solve the programming task below in a Python markdown code block.
-----Input-----
The input contains a single integer a (10 ≤ a ≤ 999).
-----Output-----
Output 0 or 1.
-----Examples-----
Input
13
Output
1
Input
927
Output
1
Input
48
Output
0
Read the inputs from stdin solve the problem and write the answe... |
Solve the programming task below in a Python markdown code block.
DO YOU EXPECT ME TO FIND THIS OUT?
WHAT BASE AND/XOR LANGUAGE INCLUDES string?
DON'T BYTE OF MORE THAN YOU CAN CHEW
YOU CAN ONLY DISTORT THE LARGEST OF MATHEMATICS SO FAR
SAYING "ABRACADABRA" WITHOUT A MAGIC AND WON'T DO YOU ANY GOOD
THE LAST STACK... |
Solve the programming task below in a Python markdown code block.
Polycarp wants to buy exactly $n$ shovels. The shop sells packages with shovels. The store has $k$ types of packages: the package of the $i$-th type consists of exactly $i$ shovels ($1 \le i \le k$). The store has an infinite number of packages of each ... |
Solve the programming task below in a Python markdown code block.
We have N switches with "on" and "off" state, and M bulbs. The switches are numbered 1 to N, and the bulbs are numbered 1 to M.
Bulb i is connected to k_i switches: Switch s_{i1}, s_{i2}, ..., and s_{ik_i}. It is lighted when the number of switches that... |
Solve the programming task below in a Python markdown code block.
Consider an analog clock whose hour and minute hands are A and B centimeters long, respectively.
An endpoint of the hour hand and an endpoint of the minute hand are fixed at the same point, around which each hand rotates clockwise at constant angular ve... |
Solve the programming task below in a Python markdown code block.
You are given an integer sequence $a_1, a_2, \dots, a_n$.
Find the number of pairs of indices $(l, r)$ ($1 \le l \le r \le n$) such that the value of median of $a_l, a_{l+1}, \dots, a_r$ is exactly the given number $m$.
The median of a sequence is the... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is a number of elements in the array.
You are given an array $a$ consisting of $n$ integers. The value of the $i$-th element of the array is $a_i$.
You are also given a set of $m$ segments. The $j$-th... |
Solve the programming task below in a Python markdown code block.
A string is called diverse if it contains consecutive (adjacent) letters of the Latin alphabet and each letter occurs exactly once. For example, the following strings are diverse: "fced", "xyz", "r" and "dabcef". The following string are not diverse: "a... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is a number of elements in the array.
You are given an array $a$ consisting of $n$ integers. The value of the $i$-th element of the array is $a_i$.
You are also given a set of $m$ segments. The $j$-th... |
Solve the programming task below in a Python markdown code block.
The only difference between problems C1 and C2 is that all values in input of problem C1 are distinct (this condition may be false for problem C2).
You are given a sequence $a$ consisting of $n$ integers. All these integers are distinct, each value fro... |
Solve the programming task below in a Python markdown code block.
You are given an array $a$ consisting of $n$ integers.
You can remove at most one element from this array. Thus, the final length of the array is $n-1$ or $n$.
Your task is to calculate the maximum possible length of the strictly increasing contiguous... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array $a$ consisting of $n$ integers. In one move you can choose any $a_i$ and divide it by $2$ rounding down (in other words, in one move you c... |
Solve the programming task below in a Python markdown code block.
Takahashi has many red balls and blue balls. Now, he will place them in a row.
Initially, there is no ball placed.
Takahashi, who is very patient, will do the following operation 10^{100} times:
- Place A blue balls at the end of the row of balls alrea... |
Solve the programming task below in a Python markdown code block.
We guessed some integer number $x$. You are given a list of almost all its divisors. Almost all means that there are all divisors except $1$ and $x$ in the list.
Your task is to find the minimum possible integer $x$ that can be the guessed number, or s... |
Solve the programming task below in a Python markdown code block.
Polycarp knows that if the sum of the digits of a number is divisible by $3$, then the number itself is divisible by $3$. He assumes that the numbers, the sum of the digits of which is divisible by $4$, are also somewhat interesting. Thus, he considers ... |
Solve the programming task below in a Python markdown code block.
Polycarp wrote on the board a string $s$ containing only lowercase Latin letters ('a'-'z'). This string is known for you and given in the input.
After that, he erased some letters from the string $s$, and he rewrote the remaining letters in any order. ... |
Solve the programming task below in a Python markdown code block.
1000000000000001 dogs suddenly appeared under the roof of Roger's house, all of which he decided to keep. The dogs had been numbered 1 through 1000000000000001, but he gave them new names, as follows:
- the dogs numbered 1,2,\cdots,26 were respectively... |
Solve the programming task below in a Python markdown code block.
You are given a text consisting of $n$ space-separated words. There is exactly one space character between any pair of adjacent words. There are no spaces before the first word and no spaces after the last word. The length of text is the number of lette... |
Solve the programming task below in a Python markdown code block.
Polycarp is practicing his problem solving skill. He has a list of $n$ problems with difficulties $a_1, a_2, \dots, a_n$, respectively. His plan is to practice for exactly $k$ days. Each day he has to solve at least one problem from his list. Polycarp s... |
Solve the programming task below in a Python markdown code block.
Kolya got an integer array $a_1, a_2, \dots, a_n$. The array can contain both positive and negative integers, but Kolya doesn't like $0$, so the array doesn't contain any zeros.
Kolya doesn't like that the sum of some subsegments of his array can be $0... |
Solve the programming task below in a Python markdown code block.
You are given two integers $n$ and $m$. You have to construct the array $a$ of length $n$ consisting of non-negative integers (i.e. integers greater than or equal to zero) such that the sum of elements of this array is exactly $m$ and the value $\sum\li... |
Solve the programming task below in a Python markdown code block.
Takahashi loves the number 7 and multiples of K.
Where is the first occurrence of a multiple of K in the sequence 7,77,777,\ldots? (Also see Output and Sample Input/Output below.)
If the sequence contains no multiples of K, print -1 instead.
-----Const... |
Solve the programming task below in a Python markdown code block.
You are given a permutation $p_1, p_2, \dots, p_n$. A permutation of length $n$ is a sequence such that each integer between $1$ and $n$ occurs exactly once in the sequence.
Find the number of pairs of indices $(l, r)$ ($1 \le l \le r \le n$) such that... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is the constraints.
Polycarp has to write a coursework. The coursework consists of $m$ pages.
Polycarp also has $n$ cups of coffee. The coffee in the $i$-th cup has $a_i$ caffeine in it. Polycarp can ... |
Solve the programming task below in a Python markdown code block.
Polycarp likes arithmetic progressions. A sequence $[a_1, a_2, \dots, a_n]$ is called an arithmetic progression if for each $i$ ($1 \le i < n$) the value $a_{i+1} - a_i$ is the same. For example, the sequences $[42]$, $[5, 5, 5]$, $[2, 11, 20, 29]$ and ... |
Solve the programming task below in a Python markdown code block.
You are a coach at your local university. There are $n$ students under your supervision, the programming skill of the $i$-th student is $a_i$.
You have to form $k$ teams for yet another new programming competition. As you know, the more students are in... |
Solve the programming task below in a Python markdown code block.
Takahashi is taking exams on N subjects. The score on each subject will be an integer between 0 and K (inclusive).
He has already taken exams on N-1 subjects and scored A_i points on the i-th subject.
His goal is to achieve the average score of M points... |
Solve the programming task below in a Python markdown code block.
Takahashi has decided to hold fastest-finger-fast quiz games. Kizahashi, who is in charge of making the scoreboard, is struggling to write the program that manages the players' scores in a game, which proceeds as follows.
A game is played by N players, ... |
Solve the programming task below in a Python markdown code block.
You are given a binary matrix $a$ of size $n \times m$. A binary matrix is a matrix where each element is either $0$ or $1$.
You may perform some (possibly zero) operations with this matrix. During each operation you can inverse the row of this matrix ... |
Solve the programming task below in a Python markdown code block.
-----Input-----
The only line of the input contains a string of digits. The length of the string is between 1 and 10, inclusive.
-----Output-----
Output "Yes" or "No".
-----Examples-----
Input
373
Output
Yes
Input
121
Output
No
Input
436
Outp... |
Solve the programming task below in a Python markdown code block.
One very experienced problem writer decided to prepare a problem for April Fools Day contest. The task was very simple - given an arithmetic expression, return the result of evaluating this expression. However, looks like there is a bug in the reference... |
Solve the programming task below in a Python markdown code block.
The king of Berland organizes a ball! $n$ pair are invited to the ball, they are numbered from $1$ to $n$. Each pair consists of one man and one woman. Each dancer (either man or woman) has a monochrome costume. The color of each costume is represented ... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is the constraints.
Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of $n$ consecutive pictures (with kittens, of course). Vova likes all th... |
Solve the programming task below in a Python markdown code block.
You work as a system administrator in a dormitory, which has $n$ rooms one after another along a straight hallway. Rooms are numbered from $1$ to $n$.
You have to connect all $n$ rooms to the Internet.
You can connect each room to the Internet directl... |
Solve the programming task below in a Python markdown code block.
Takahashi, who is a novice in competitive programming, wants to learn M algorithms.
Initially, his understanding level of each of the M algorithms is 0.
Takahashi is visiting a bookstore, where he finds N books on algorithms.
The i-th book (1\leq i\leq ... |
Solve the programming task below in a Python markdown code block.
A programming competition site AtCode provides algorithmic problems.
Each problem is allocated a score based on its difficulty.
Currently, for each integer i between 1 and D (inclusive), there are p_i problems with a score of 100i points.
These p_1 + … ... |
Solve the programming task below in a Python markdown code block.
Tanya has $n$ candies numbered from $1$ to $n$. The $i$-th candy has the weight $a_i$.
She plans to eat exactly $n-1$ candies and give the remaining candy to her dad. Tanya eats candies in order of increasing their numbers, exactly one candy per day.
... |
Solve the programming task below in a Python markdown code block.
The only difference between easy and hard versions is the constraints.
Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of $n$ consecutive pictures (with kittens, of course). Vova likes all th... |
Solve the programming task below in a Python markdown code block.
La Confiserie d'ABC sells cakes at 4 dollars each and doughnuts at 7 dollars each.
Determine if there is a way to buy some of them for exactly N dollars. You can buy two or more doughnuts and two or more cakes, and you can also choose to buy zero doughn... |
Solve the programming task below in a Python markdown code block.
In the Ancient Kingdom of Snuke, there was a pyramid to strengthen the authority of Takahashi, the president of AtCoder Inc.
The pyramid had center coordinates (C_X, C_Y) and height H. The altitude of coordinates (X, Y) is max(H - |X - C_X| - |Y - C_Y|... |
Solve the programming task below in a Python markdown code block.
Takahashi loves palindromes. Non-palindromic strings are unacceptable to him. Each time he hugs a string, he can change one of its characters to any character of his choice.
Given is a string S. Find the minimum number of hugs needed to make S palindrom... |
Solve the programming task below in a Python markdown code block.
Having learned the multiplication table, Takahashi can multiply two integers between 1 and 9 (inclusive) together.
Given an integer N, determine whether N can be represented as the product of two integers between 1 and 9. If it can, print Yes; if it can... |
Solve the programming task below in a Python markdown code block.
Having learned the multiplication table, Takahashi can multiply two integers between 1 and 9 (inclusive) together. He cannot do any other calculation.
Given are two integers A and B.
If Takahashi can calculate A \times B, print the result; if he cannot,... |
Solve the programming task below in a Python markdown code block.
There are $n$ cities in Berland. Some pairs of cities are connected by roads. All roads are bidirectional. Each road connects two different cities. There is at most one road between a pair of cities. The cities are numbered from $1$ to $n$.
It is known... |
Solve the programming task below in a Python markdown code block.
Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, grand-grandparents contributed to it. Now it's totally up to Vova to put the finishing touches.
The current state of the wall can be respresented by a ... |
Solve the programming task below in a Python markdown code block.
A superhero fights with a monster. The battle consists of rounds, each of which lasts exactly $n$ minutes. After a round ends, the next round starts immediately. This is repeated over and over again.
Each round has the same scenario. It is described by... |
Solve the programming task below in a Python markdown code block.
Two-gram is an ordered pair (i.e. string of length two) of capital Latin letters. For example, "AZ", "AA", "ZA" — three distinct two-grams.
You are given a string $s$ consisting of $n$ capital Latin letters. Your task is to find any two-gram contained ... |
Solve the programming task below in a Python markdown code block.
A string S of an odd length is said to be a strong palindrome if and only if all of the following conditions are satisfied:
- S is a palindrome.
- Let N be the length of S. The string formed by the 1-st through ((N-1)/2)-th characters of S is a palind... |
Solve the programming task below in a Python markdown code block.
Compute A \times B, truncate its fractional part, and print the result as an integer.
-----Constraints-----
- 0 \leq A \leq 10^{15}
- 0 \leq B < 10
- A is an integer.
- B is a number with two digits after the decimal point.
-----Input-----
Input i... |
Solve the programming task below in a Python markdown code block.
There are two sisters Alice and Betty. You have $n$ candies. You want to distribute these $n$ candies between two sisters in such a way that: Alice will get $a$ ($a > 0$) candies; Betty will get $b$ ($b > 0$) candies; each sister will get some intege... |
Solve the programming task below in a Python markdown code block.
There are $n$ cities and $m$ roads in Berland. Each road connects a pair of cities. The roads in Berland are one-way.
What is the minimum number of new roads that need to be built to make all the cities reachable from the capital?
New roads will also ... |
Solve the programming task below in a Python markdown code block.
In Republic of Atcoder, there are N prefectures, and a total of M cities that belong to those prefectures.
City i is established in year Y_i and belongs to Prefecture P_i.
You can assume that there are no multiple cities that are established in the same... |
Solve the programming task below in a Python markdown code block.
Golorps are mysterious creatures who feed on variables. Golorp's name is a program in some programming language. Some scientists believe that this language is Befunge; golorps are tantalizingly silent.
Variables consumed by golorps can take values from... |
Solve the programming task below in a Python markdown code block.
There is a rectangular grid of size $n \times m$. Each cell has a number written on it; the number on the cell ($i, j$) is $a_{i, j}$. Your task is to calculate the number of paths from the upper-left cell ($1, 1$) to the bottom-right cell ($n, m$) meet... |
Solve the programming task below in a Python markdown code block.
A string $s$ of length $n$ can be encrypted by the following algorithm: iterate over all divisors of $n$ in decreasing order (i.e. from $n$ to $1$), for each divisor $d$, reverse the substring $s[1 \dots d]$ (i.e. the substring which starts at positio... |
Solve the programming task below in a Python markdown code block.
A + B is often used as an example of the easiest problem possible to show some contest platform. However, some scientists have observed that sometimes this problem is not so easy to get accepted. Want to try?
-----Input-----
The input contains two in... |
Solve the programming task below in a Python markdown code block.
In this problem you will write a simple generator of Brainfuck (https://en.wikipedia.org/wiki/Brainfuck) calculators.
You are given an arithmetic expression consisting of integers from 0 to 255 and addition/subtraction signs between them. Output a Brai... |
Solve the programming task below in a Python markdown code block.
The only difference between the easy and the hard versions is the maximum value of $k$.
You are given an infinite sequence of form "112123123412345$\dots$" which consist of blocks of all consecutive positive integers written one after another. The firs... |
Solve the programming task below in a Python markdown code block.
You are given an integer N. Among the integers between 1 and N (inclusive), how many Shichi-Go-San numbers (literally "Seven-Five-Three numbers") are there?
Here, a Shichi-Go-San number is a positive integer that satisfies the following condition:
- Wh... |
Solve the programming task below in a Python markdown code block.
N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N.
The i-th tile from the left is painted black if the i-th character of S is 0, and painted white if that character is 1.
You want t... |
Solve the programming task below in a Python markdown code block.
You are an immigration officer in the Kingdom of AtCoder. The document carried by an immigrant has some number of integers written on it, and you need to check whether they meet certain criteria.
According to the regulation, the immigrant should be allo... |
Solve the programming task below in a Python markdown code block.
In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)!
There are five means of transport in this empire:
- Train: travels from City 1 to 2 in one minute. A train can occupy at most A people.... |
Solve the programming task below in a Python markdown code block.
How many integer sequences A_1,A_2,\ldots,A_N of length N satisfy all of the following conditions?
- 0 \leq A_i \leq 9
- There exists some i such that A_i=0 holds.
- There exists some i such that A_i=9 holds.
The answer can be very large, so output i... |
Solve the programming task below in a Python markdown code block.
Find the minimum prime number greater than or equal to X.
-----Notes-----
A prime number is an integer greater than 1 that cannot be evenly divided by any positive integer except 1 and itself.
For example, 2, 3, and 5 are prime numbers, while 4 and 6 a... |
Solve the programming task below in a Python markdown code block.
We have a string S consisting of uppercase English letters. Additionally, an integer N will be given.
Shift each character of S by N in alphabetical order (see below), and print the resulting string.
We assume that A follows Z. For example, shifting A b... |
Solve the programming task below in a Python markdown code block.
Authors guessed an array $a$ consisting of $n$ integers; each integer is not less than $2$ and not greater than $2 \cdot 10^5$. You don't know the array $a$, but you know the array $b$ which is formed from it with the following sequence of operations: ... |
Solve the programming task below in a Python markdown code block.
You are given an array $a$ consisting of $n$ integers. Let's denote monotonic renumeration of array $a$ as an array $b$ consisting of $n$ integers such that all of the following conditions are met:
$b_1 = 0$; for every pair of indices $i$ and $j$ su... |
Solve the programming task below in a Python markdown code block.
A sequence $a_1, a_2, \dots, a_n$ is called good if, for each element $a_i$, there exists an element $a_j$ ($i \ne j$) such that $a_i+a_j$ is a power of two (that is, $2^d$ for some non-negative integer $d$).
For example, the following sequences are go... |
Solve the programming task below in a Python markdown code block.
In a flower bed, there are N flowers, numbered 1,2,......,N. Initially, the heights of all flowers are 0.
You are given a sequence h=\{h_1,h_2,h_3,......\} as input. You would like to change the height of Flower k to h_k for all k (1 \leq k \leq N), by... |
Solve the programming task below in a Python markdown code block.
The busses in Berland are equipped with a video surveillance system. The system records information about changes in the number of passengers in a bus after stops.
If $x$ is the number of passengers in a bus just before the current bus stop and $y$ is ... |
Solve the programming task below in a Python markdown code block.
There are $n$ distinct points on a coordinate line, the coordinate of $i$-th point equals to $x_i$. Choose a subset of the given set of points such that the distance between each pair of points in a subset is an integral power of two. It is necessary to... |
Solve the programming task below in a Python markdown code block.
Takahashi has a deposit of 100 yen (the currency of Japan) in AtCoder Bank.
The bank pays an annual interest rate of 1 % compounded annually. (A fraction of less than one yen is discarded.)
Assuming that nothing other than the interest affects Takahashi... |
Solve the programming task below in a Python markdown code block.
Find \displaystyle{\sum_{a=1}^{K}\sum_{b=1}^{K}\sum_{c=1}^{K} \gcd(a,b,c)}.
Here \gcd(a,b,c) denotes the greatest common divisor of a, b, and c.
-----Constraints-----
- 1 \leq K \leq 200
- K is an integer.
-----Input-----
Input is given from Standar... |
Solve the programming task below in a Python markdown code block.
Tak performed the following action N times: rolling two dice.
The result of the i-th roll is D_{i,1} and D_{i,2}.
Check if doublets occurred at least three times in a row.
Specifically, check if there exists at lease one i such that D_{i,1}=D_{i,2}, D_{... |
Solve the programming task below in a Python markdown code block.
Given is an integer r.
How many times is the area of a circle of radius r larger than the area of a circle of radius 1?
It can be proved that the answer is always an integer under the constraints given.
-----Constraints-----
- 1 \leq r \leq 100
- All... |
Solve the programming task below in a Python markdown code block.
Determine if an N-sided polygon (not necessarily convex) with sides of length L_1, L_2, ..., L_N can be drawn in a two-dimensional plane.
You can use the following theorem:
Theorem: an N-sided polygon satisfying the condition can be drawn if and only if... |
Solve the programming task below in a Python markdown code block.
If there is an integer not less than 0 satisfying the following conditions, print the smallest such integer; otherwise, print -1.
- The integer has exactly N digits in base ten. (We assume 0 to be a 1-digit integer. For other integers, leading zeros ar... |
Solve the programming task below in a Python markdown code block.
You are given integers N and K. Find the number of triples (a,b,c) of positive integers not greater than N such that a+b,b+c and c+a are all multiples of K.
The order of a,b,c does matter, and some of them can be the same.
-----Constraints-----
- 1 \l... |
Solve the programming task below in a Python markdown code block.
Given an integer N, find the base -2 representation of N.
Here, S is the base -2 representation of N when the following are all satisfied:
- S is a string consisting of 0 and 1.
- Unless S = 0, the initial character of S is 1.
- Let S = S_k S_{k-1} .... |
Solve the programming task below in a Python markdown code block.
Hearing that energy drinks increase rating in those sites, Takahashi decides to buy up M cans of energy drinks.
There are N stores that sell energy drinks. In the i-th store, he can buy at most B_i cans of energy drinks for A_i yen (the currency of Japa... |
Solve the programming task below in a Python markdown code block.
There are N squares arranged in a row from left to right.
The height of the i-th square from the left is H_i.
You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square is no... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.