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…

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…

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…

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…

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…

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…

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…

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…

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.…