Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in each row must be / (round down to the nearest integer), with all the extra people (if any) standing in th…
Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in each row must be N/K (round down to the nearest integer), with all the extra people (if any) standing in…
简单DFS. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<queue> #include<stack> #include<algorithm> using namespace std; struct X { int id; int Father,Mother; int k;…