sudoku1.cpp: In function 'int valuare(int, bool)': sudoku1.cpp:12: warning: suggest explicit braces to avoid ambiguous 'else' sudoku1.cpp:17: warning: suggest explicit braces to avoid ambiguous 'else' sudoku1.cpp:22: warning: suggest explicit braces to avoid ambiguous 'else' sudoku1.cpp: In function 'int altaValuare(int, bool)': sudoku1.cpp:30: warning: suggest explicit braces to avoid ambiguous 'else' sudoku1.cpp:35: warning: suggest explicit braces to avoid ambiguous 'else' sudoku1.cpp:40: warning: suggest explicit braces to avoid ambiguous 'else' sudoku1.cpp: In function 'int main()': sudoku1.cpp:63: warning: comparison between signed and unsigned integer expressions sudoku1.cpp:64: warning: comparison between signed and unsigned integer expressions sudoku1.cpp:64: warning: comparison between signed and unsigned integer expressions sudoku1.cpp:67: warning: comparison between signed and unsigned integer expressions sudoku1.cpp:69: warning: comparison between signed and unsigned integer expressions sudoku1.cpp:72: warning: comparison between signed and unsigned integer expressions sudoku1.cpp: In function 'int altaValuare(int, bool)': sudoku1.cpp:46: warning: control reaches end of non-void function sudoku1.cpp: In function 'int valuare(int, bool)': sudoku1.cpp:27: warning: control reaches end of non-void function