逝者如斯夫，不舍昼夜

#include <iostream> #include <cstring> #include <cstdio> #include <queue> #include <algorithm> #include <cmath> #include <vector> #include <map> using namespace std; #define inf 0x7fffffff #define ll long l..

** POJ 2676 Sudoku 数独（dfs） ** Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are written decima...

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