Compilare: user.cpp: In function ‘int main()’: user.cpp:26:15: warning: unused variable ‘x’ [-Wunused-variable] int p,i,j,x,y; ^ user.cpp:26:17: warning: unused variable ‘y’ [-Wunused-variable] int p,i,j,x,y; ^ user.cpp:27:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&p); ^ user.cpp:28:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&m,&t); ^ user.cpp:29:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d",&l,&c,&k,&s); ^ user.cpp:31:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&a[i],&b[i]); ^ user.cpp:35:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i][j]); ^