Eroare de compilare: main.cpp: In function 'int a(int, int)': main.cpp:3:171: warning: no return statement in function returning non-void [-Wreturn-type] std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N],i,j,n,Q,x;int a(int I,int Z){while(p[Z]!=I)Z--;if(I>1)a(I-1,Z-1);g<<v[Z]<<" ";}int main(){f>>n;for(i=1;i<=n;i++){f>>v[i]++;j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=Q>j?Q:j;}g<<Q<<"\n";a(Q,n);} ^ main.cpp: In function 'int main()': main.cpp:3:207: error: no match for 'operator>>' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N],i,j,n,Q,x;int a(int I,int Z){while(p[Z]!=I)Z--;if(I>1)a(I-1,Z-1);g<<v[Z]<<" ";}int main(){f>>n;for(i=1;i<=n;i++){f>>v[i]++;j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=Q>j?Q:j;}g<<Q<<"\n";a(Q,n);} ~^~~~~~~~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/istream:120:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match> operator>>(__istream_type& (*__pf)(__istream_type&)) ^~~~~~~~ /usr/include/c++/6/istream:120:7: note: conversion of argument 1 would be ill-formed: main.cpp:3:213: error: invalid conversion from 'int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}' [-fpermissive] std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N],i,j,n,Q,x;int a(int I,int Z){while(p[Z]!=I)Z--;if(I>1)a(I-1,Z-1);g<<v[Z]<<" ";}int main(){f>>n;for(i=1;i<=n;i++){f>>v[i]++;j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=Q>j?Q:j;}g<<Q<<"\n";a(Q,n);} ~~~~^~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/istream:124:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>] <near match> operator>>(__ios_type& (*__pf)(__ios_type&)) ^~~~~~~~ /usr/include/c++/6/istream:124:7: note: conversion of argument 1 would be ill-formed: main.cpp:3:213: error: invalid conversion from 'int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}' [-fpermissive] std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N],i,j,n,Q,x;int a(int I,int Z){while(p[Z]!=I)Z--;if(I>1)a(I-1,Z-1);g<<v[Z]<<" ";}int main(){f>>n;for(i=1;i<=n;i++){f>>v[i]++;j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=Q>j?Q:j;}g<<Q<<"\n";a(Q,n);} ~~~~^~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/istream:131:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match> operator>>(ios_base& (*__pf)(ios_base&)) ^~~~~~~~ /usr/include/c++/6/istream:131:7: note: conversion of argument 1 would be ill-formed: main.cpp:3:213: error: invalid conversion from 'int' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive] std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N],i,j,n,Q,x;int a(int I,int Z){while(p[Z]!=I)Z--;if(I>1)a(I-1,Z-1);g<<v[Z]<<" ";}int main(){f>>n;for(i=1;i<=n;i++){f>>v[i]++;j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=Q>j?Q:j;}g<<Q<<"\n";a(Q,n);} ~~~~^~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/istream:168:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match> Non zero exit status: 1