Compilare: user.cpp: In function ‘void Solve()’: user.cpp:53:9: warning: variable ‘linie’ set but not used [-Wunused-but-set-variable] int linie, coloana; ^ user.cpp:53:16: warning: variable ‘coloana’ set but not used [-Wunused-but-set-variable] int linie, coloana; ^ user.cpp: In function ‘void Read()’: user.cpp:20:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d", &n, &m); ^ user.cpp:26:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &a[i][j]); ^