Compilare: user.cpp: In function ‘int main()’: user.cpp:13:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘bool*’ [-Wformat=] for(int j=1;j<=m;j++) fscanf(fin,"%d",&b[i][j]); ^ user.cpp:10:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&n,&m,&x); ^ user.cpp:13:60: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int j=1;j<=m;j++) fscanf(fin,"%d",&b[i][j]); ^