generator: Add some basic placeholders for having sudoku generator

[sudoku] / sudoku.h

diff --git a/sudoku.h b/sudoku.h
index 9575e7cb2b35aebdd1342c75fc46d8dff85c9f28..a0b8971f4fe077babc1db2454220f50231752095 100644 (file)
--- a/sudoku.h
+++ b/sudoku.h
@@ -2,6 +2,7 @@
 #define SUDOKU_H
 
 #include <vector>
+#include <string>
 
 extern int verbose;
 
@@ -20,7 +21,8 @@ public:
 
        std::string get_legal_numbers(const int col, const int row);
        sudoku solve(int &solvable);
-       std::vector<sudoku> solve_all();
+       std::vector<sudoku> solve_all(void);
+       void generate(int min_guesses);
 
        int recursion_depth;
        int guesses;