Eroare de compilare: main.cpp:1:6: error: 'ifstream' in namespace 'std' does not name a type std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^~~~~~~~ main.cpp:1:34: error: 'ofstream' in namespace 'std' does not name a type std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^~~~~~~~ main.cpp: In function 'int a(int, int)': main.cpp:1:162: error: 'g' was not declared in this scope std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^ main.cpp:1:175: 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];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^ main.cpp: In function 'int main()': main.cpp:1:187: error: 'f' was not declared in this scope std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^ main.cpp:1:268: error: 'max' is not a member of 'std' std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^~~ main.cpp:1:283: error: 'g' was not declared in this scope std::ifstream f("scmax.in");std::ofstream g("scmax.out");const int N=2e5;int v[N],p[N],q[N];int 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];x=v[i];j=1;while(x>q[j]&&j<=Q)j++;q[j]=x;p[i]=j;Q=std::max(Q,j);}g<<Q<<"\n";a(Q,n);} ^ Non zero exit status: 1