Compilare: user.cpp: In function ‘void Solve()’: user.cpp:32:38: warning: format ‘%i’ expects argument of type ‘int*’, but argument 3 has type ‘bool*’ [-Wformat=] fscanf(is, "%i", &a[i][j]); ^ user.cpp:28:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(is,"%i", &n); ^ user.cpp:32:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(is, "%i", &a[i][j]); ^