Compilare: user.cpp: In function ‘int main()’: user.cpp:23:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:26:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i].nr); ^ user.cpp:47:24: warning: ‘plut’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (i=1;i<=n;i++) if (v[i].pl==plut) fprintf(g,"%d ",v[i].nr); ^ user.cpp:46:39: warning: ‘sp’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d\n%d\n%d\n",l,mx,s/sp); ^ user.cpp:44:41: warning: ‘p1’ may be used uninitialized in this function [-Wmaybe-uninitialized] else {if (a[v[i].pl]==mx&&v[i].s==s1&&v[i].p==p1) sp++; ^ user.cpp:44:29: warning: ‘s1’ may be used uninitialized in this function [-Wmaybe-uninitialized] else {if (a[v[i].pl]==mx&&v[i].s==s1&&v[i].p==p1) sp++; ^