Compilare: user.cpp: In function ‘int main()’: user.cpp:10:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:13:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^ user.cpp:59:32: warning: ‘jj’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<sol<<'\n'<<iii<<" "<<jjj; ^ user.cpp:59:19: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<sol<<'\n'<<iii<<" "<<jjj; ^ user.cpp:9:61: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,minim,s=0,maxim=-10000,max2=-10000,sol,ii,jj,st,dr,iii,jjj; ^ user.cpp:9:58: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,minim,s=0,maxim=-10000,max2=-10000,sol,ii,jj,st,dr,iii,jjj; ^