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…
降智好题 前面随机部分按照题意模拟,然后字典序贪心,也就是记录每个值的位置从1~nm依次看能不能取,能取的话更新行的取值范围(它上面的行一定取的列小于等于这个数取的列,下面行大于等于) #include<iostream> #include<cstdio> using namespace std; const int N=5005; int n,m,q,len,p[N*N],id[N*N],l[N],r[N]; long long x,a,b,c,d; int read() { i…
A. Memory and Crow time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There are n integers b1, b2, ..., bn written in a row. For all i from 1 to n, values ai are defined by the crows performi…