A. Broken Clock time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a broken clock. You know, that it is supposed to show time in 12- or 24-hours HH:MM format. In 12-hours format…
A. Combination Lock time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Scrooge McDuck keeps his most treasured savings in a home safe with a combination lock. Each time he wants to put there…
A. Neverending competitions time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output There are literally dozens of snooker competitions held each year, and team Jinotega tries to attend them all (f…
BZOJ水一道~ 枚举前两个位置是否放雷,模拟向下推.能够则ans++ #include "stdio.h" #include "string.h" int a[10010],b[10010],n; int judge() { int i; for (i=3;i<=n;i++) { b[i]=a[i-1]-b[i-1]-b[i-2]; if (b[i]<0) return 0; if (b[i]>1) return 0; } if (b[n-1]+…
A. The New Year: Meeting Friends time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are three friend living on the straight line Ox in Lineland. The first friend lives at the point x1, t…
A. One-dimensional Japanese Crossword time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a tabl…
A. Calculating Function time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output For a positive integer n let's define a function f: f(n) = - 1 + 2 - 3 + .. + ( - 1)nn Your task is to calculate f(n…
