Eroare de compilare: user.cpp: In function ‘void Solve()’: user.cpp:81:8: error: ‘ok’ was not declared in this scope if(ok){ ^ user.cpp: In function ‘void Read()’: user.cpp:19:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:22:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i][j]); ^