think_length int64 270 30.9k | response_length int64 135 3.21k | conversations listlengths 2 2 |
|---|---|---|
9,857 | 858 | [
{
"from": "human",
"value": "You are given two integers $a$ and $b$. Moreover, you are given a sequence $s_0, s_1, \\dots, s_{n}$. All values in $s$ are integers $1$ or $-1$. It's known that sequence is $k$-periodic and $k$ divides $n+1$. In other words, for each $k \\leq i \\leq n$ it's satisfied that $s_{... |
4,407 | 652 | [
{
"from": "human",
"value": "Limak is a little polar bear. Polar bears hate long strings and thus they like to compress them. You should also know that Limak is so young that he knows only first six letters of the English alphabet: 'a', 'b', 'c', 'd', 'e' and 'f'.\n\nYou are given a set of q possible operat... |
1,416 | 432 | [
{
"from": "human",
"value": "Least Distance\nMr. John has a habit of implementing new programming methods. This time he needs your help to solve a problem. He needs a method such that it accepts a series of numbers (all in single digits) and returns a typical answer. The answer must be the least distance be... |
7,453 | 566 | [
{
"from": "human",
"value": "You are the kingpin of a large network of criminal hackers. Legend has it there has never been a richer criminal than you. Not just because you are the smartest, but also because you are the stingiest.\n\nThe police have been after you for years, but they have never been able to... |
11,521 | 936 | [
{
"from": "human",
"value": "The Playfair cipher is a manual symmetric encryption technique and was the first digraph substitution cipher. The scheme was invented in 1854 by Charles Wheatstone, but bears the name of Lord Playfair who promoted the use of the cipher.\n\nThe Playfair cipher uses a $5$ by $5$ t... |
1,459 | 443 | [
{
"from": "human",
"value": "Given two strings S1 and S2 in lowercase, the task is to make them anagram. The only allowed operation is to remove a character from any string. Find the minimum number of characters to be deleted to make both the strings anagram. Two strings are called anagram of each other if ... |
6,305 | 636 | [
{
"from": "human",
"value": "Given two numbers n and x, find out the total number of ways n can be expressed as the sum of the Xth power of unique natural numbers. As the total number of ways can be very large, so return the number of ways modulo 10^{9 }+ 7. \nExample 1:\nInput: \nn = 10, x = 2\nOutput: \n1... |
1,108 | 409 | [
{
"from": "human",
"value": "Write a function \n\n`titleToNumber(title) or title_to_number(title) or titleToNb title ...`\n\n(depending on the language)\n\nthat given a column title as it appears in an Excel sheet, returns its corresponding column number. All column titles will be uppercase.\n\nExamples:\n`... |
2,013 | 502 | [
{
"from": "human",
"value": "On a shiny day, kindergarten kids are going to the picnic. All the kids bought some candies with them. As all of them bought different number of candies, soon quarrel started among them. Teacher decided to collect all the candies. Soon a huge heap of candies is created on the ta... |
8,571 | 829 | [{"from":"human","value":"Given a directed flow network where each edge has a capacity of flow it co(...TRUNCATED) |
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