Eroare de compilare: user.cpp: In function ‘void B(int)’: user.cpp:7:206: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:254: error: invalid types ‘int[int]’ for array subscript int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:265: error: invalid types ‘int[int]’ for array subscript int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp: In function ‘int main()’: user.cpp:4:11: error: expected unqualified-id before numeric constant #define x 500003 ^ user.cpp:7:416: note: in expansion of macro ‘x’ int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:431: error: ambiguous overload for ‘operator>>’ (operand types are ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ and ‘int’) int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:431: note: candidates are: In file included from /usr/include/c++/4.8/fstream:38:0, from user.cpp:1: /usr/include/c++/4.8/istream:120:7: note: 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++/4.8/istream:120:7: note: no known conversion for argument 1 from ‘int’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}’ /usr/include/c++/4.8/istream:124:7: note: 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++/4.8/istream:124:7: note: no known conversion for argument 1 from ‘int’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}’ /usr/include/c++/4.8/istream:131:7: note: 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++/4.8/istream:131:7: note: no known conversion for argument 1 from ‘int’ to ‘std::ios_base& (*)(std::ios_base&)’ /usr/include/c++/4.8/istream:259:7: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] <near match> operator>>(__streambuf_type* __sb); ^ /usr/include/c++/4.8/istream:259:7: note: no known conversion for argument 1 from ‘int’ to ‘std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}’ user.cpp:7:439: error: ‘i’ was not declared in this scope int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:480: error: ‘i’ was not declared in this scope int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:497: error: ‘a’ was not declared in this scope int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}} ^ user.cpp:7:500: error: ‘b’ was not declared in this scope int p[x],v[x];bool u[x],t[x];vector<int> gf[x],o;queue<int>q;void B(int s){int v,ok;q.push(s);while (!q.empty()){s=q.front();q.pop();t[s]=0;if(!u[s]){ok=1;o.$(s);u[s]=1;}else ok=0;for(int i=0;i<gf[s].size();i++){v=gf[s][i];if(ok)--p[v];if(!u[v]){if((v[s]==0 || v[s]>p[s])& ~t[v]){q.push(v);t[v]=1;}}else if(ok & u[v] & ~t[v]){t[v]=1;q.push(v);}}}}int main(){ifstream f("markon.in");ofstream g("markon.out");int n,m,x,a,b,i;f>>n>>m>>x;for(i=1;i<=n;i++){f>>v[i];u[i]=0;t[i]=0;}for(i=1;i<=m;i++){f>>a>>b;gf[a].$(b);gf[b].$(a);}for(i=1;i<=n;i++){p[i]=gf[i].size();}B(x);g<<o.size()<<"\n";for(int i=0; i<o.size(); i++){g<<o[i]<<"\n";}}