Compilare: user.cpp: In function ‘int main()’: user.cpp:50:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &n); ^ user.cpp:53:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &v[i][j]); ^ user.cpp:67:29: warning: ‘jmax’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(dmax[imax][jmax][1]!=0){ ^ user.cpp:67:29: warning: ‘imax’ may be used uninitialized in this function [-Wmaybe-uninitialized]