E - Palindromic Numbers Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Description A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when its digits are reversed. In this…
D - Round Numbers Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Scissors', 'R…
数位DP.... Palindromic Numbers Time Limit: 2000MS Memory Limit: 32768KB 64bit IO Format: %lld & %llu [Submit] [Go Back] [Status] Description A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when…
A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when its digits are reversed. In this problem you will be given two integers i j, you have to find the number of palindromic numbers between i and j…
Vinci is a little boy and is very creative. One day his teacher asked him to write all the Palindromic numbers from 1 to 1000. He became very frustrated because there is nothing creative in the task. Observing his expression, the teacher replied, "Al…
A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when its digits are reversed. In this problem you will be given two integers i j, you have to find the number of palindromic numbers between i and j…
A palindromic number or numeral palindrome is a 'symmetrical' number like 16461 that remains the same when its digits are reversed. In this problem you will be given two integers i j, you have to find the number of palindromic numbers between i and j…
Dancing Lessons Time Limit: 5000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 45C64-bit integer IO format: %I64d Java class name: (Any) There are n people taking dancing lessons. Every person is characterize…
Double Profiles Time Limit: 3000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 154C64-bit integer IO format: %I64d Java class name: (Any) You have been offered a job in a company developing a large social net…
Colliders Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 155D64-bit integer IO format: %I64d Java class name: (Any) By 2312 there were n Large Hadron Colliders in the inhabited part of the uni…
To Add or Not to Add Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 231C64-bit integer IO format: %I64d Java class name: (Any) A piece of paper contains an array of n integers a1, a2, ..., an.…
Burning Bridges Time Limit: 5000ms Memory Limit: 32768KB This problem will be judged on ZJU. Original ID: 258864-bit integer IO format: %lld Java class name: Main Ferry Kingdom is a nice little country located on N islands that are connected b…
Opening Portals Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 196E64-bit integer IO format: %I64d Java class name: (Any) Pavel plays a famous computer game. A player is responsible for a wh…
Find Metal Mineral Time Limit: 1000ms Memory Limit: 65768KB This problem will be judged on HDU. Original ID: 400364-bit integer IO format: %I64d Java class name: Main Humans have discovered a kind of new metal mineral on Mars which are distr…
Water Tree Time Limit: 4000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 343D64-bit integer IO format: %I64d Java class name: (Any) Mad scientist Mike has constructed a rooted tree, which consists of n verti…
Number Busters Time Limit: 1000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 382B64-bit integer IO format: %I64d Java class name: (Any) Arthur and Alexander are number busters. Today they've got a competitio…
B. Infinite Maze time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output We've got a rectangular n × m-cell maze. Each cell is either passable, or is a wall (impassable). A little boy found the…
Hometask Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 154A64-bit integer IO format: %I64d Java class name: (Any) Sergey attends lessons of the N-ish language. Each lesson he receives a homet…
An interesting mobile game Time Limit: 1000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 329564-bit integer IO format: %I64d Java class name: Main XQ,one of the three Sailormoon girls,is usually playing mobile games…
C - Design the city Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Description Cerror is the mayor of city HangZhou. As you may know, the traffic system of this city is so terrible, that there are traffic jams everywhere.…
Post Office Time Limit: 1000ms Memory Limit: 10000KB This problem will be judged on PKU. Original ID: 116064-bit integer IO format: %lld Java class name: Main There is a straight highway with villages alongside the highway. The highway is re…
Subsequence Time Limit: 1000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 353064-bit integer IO format: %I64d Java class name: Main There is a sequence of integers. Your task is to find the longest subsequence tha…
Checkposts Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 427C64-bit integer IO format: %I64d Java class name: (Any) Your city has n junctions. There are m one-way roads between the junction…
A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number. All single digit numbers are palindromic numbers. Although palindromic numbers are most often cons…
A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number. All single digit numbers are palindromic numbers. Non-palindromic numbers can be paired with palin…
If we take 47, reverse and add, 47 + 74 = 121, which is palindromic. Not all numbers produce palindromes so quickly. For example, 349 + 943 = 1292, 1292 + 2921 = 4213 4213 + 3124 = 7337 That is, 349 took three iterations to arrive at a palindrome. Al…
