Walls Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 7677   Accepted: 3719 Description In a country, great walls have been built in such a way that every great wall connects exactly two towns. The great walls do not cross each other. Th…

Have you ever played DOTA? If so, you may know the hero, Invoker. As one of the few intelligence carries, Invoker has 10 powerful abilities. One of them is the Ice Wall: Invoker generates a wall of solid ice directly in front of him, and the bitter c…

Walls and Gates You are given a m x n 2D grid initialized with these three possible values. -1 - A wall or an obstacle. 0 - A gate. INF - Infinity means an empty room. We use the value 231 - 1 = 2147483647 to represent INF as you may assume that the…

D. MUH and Cube Walls   Polar bears Menshykov and Uslada from the zoo of St. Petersburg and elephant Horace from the zoo of Kiev got hold of lots of wooden cubes somewhere. They started making cube towers by placing the cubes one on top of the other.…

Polar bears Menshykov and Uslada from the zoo of St. Petersburg and elephant Horace from the zoo of Kiev got hold of lots of wooden cubes somewhere. They started making cube towers by placing the cubes one on top of the other. They defined multiple t…

Codeforces Round #297 (Div. 2)D. Arthur and Walls Time Limit: 2 Sec  Memory Limit: 512 MBSubmit: xxx  Solved: 2xx 题目连接 http://codeforces.com/contest/525/problem/D Description Finally it is a day when Arthur has enough money for buying an apartment. H…

Destroy Walls Long times ago, there are beautiful historic walls in the city. These walls divide the city into many parts of area. Since it was not convenient, the new king wants to destroy some of these walls, so he can arrive anywhere from his cast…

D. Arthur and Walls time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Finally it is a day when Arthur has enough money for buying an apartment. He found a great option close to the center of…

D - MUH and Cube Walls Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 471D Description Polar bears Menshykov and Uslada from the zoo of St. Petersburg and elephant Horace from the zoo o…

Jumping on Walls CodeForces - 198B 应该是一个隐式图的bfs,或者叫dp. 先是一个TLE的O(nklogn) #include<cstdio> #include<set> using namespace std; typedef pair<bool,int> P; ]; P t; ][]; int n,k,ii; int main() { int i,num,hei; scanf("%d%d",&n,&am…