Compilare: user.cpp: In function ‘int main()’: user.cpp:56:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f,"%d",&a[i][j]); ^ user.cpp:50:13: warning: unused variable ‘k’ [-Wunused-variable] int i,j,k; ^ user.cpp: In function ‘int lee(int, int)’: user.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:53:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&m,&n,&p); ^ user.cpp:56:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i][j]); ^