#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
int n,m;
const int MX=2e5+5;
pair<int,pair<int,int>> a[MX];
map<int,int> xx;
map<int,int> yy;
long long nn;
int ans;
int num;
set<int> S1;
set<int> S2;
struct Tree{
int l,r,ll,rr,d;
}seg[MX*600];
int g(int y,int l,int r,int lv){
if(l>=y)return 0;
if(r<y)return seg[lv].d;
int u=0,v=0;
int mid=(l+r)/2;
if(y>mid){
if(seg[lv].rr==0)seg[lv].rr=++num;
else u=g(y,mid+1,r,seg[lv].rr);
}
if(seg[lv].ll==0)seg[lv].ll=++num;
else
v=g(y,l,mid,seg[lv].ll);
return max(u,v);
}
int f(int x,int y,int l,int r,int lv){
if(l>=x)return 0;
if(r<x)return g(y,1,nn,lv);
int u=0,v=0;
int mid=(l+r)/2;
if(x>mid){
if(seg[lv].r==0)seg[lv].r=++num;
else u=f(x,y,mid+1,r,seg[lv].r);
}
if(seg[lv].l==0)seg[lv].l=++num;
else v=f(x,y,l,mid,seg[lv].l);
return max(u,v);
}
void update2(int y,int l,int r,int lv,int k){
seg[lv].d=max(seg[lv].d,k);
int mid=(l+r)/2;
if(l==r)return;
if(y>mid){
if(seg[lv].rr==0)seg[lv].rr=++num;
update2(y,mid+1,r,seg[lv].rr,k);
}
else{
if(seg[lv].ll==0)seg[lv].ll=++num;
update2(y,l,mid,seg[lv].ll,k);
}
}
void update(int x,int y,int l,int r,int lv,int k){
seg[lv].d=max(seg[lv].d,k);
int mid=(l+r)/2;
if(l!=r){
if(x>mid){
if(seg[lv].r==0)seg[lv].r=++num;
update(x,y,mid+1,r,seg[lv].r,k);
}
else{
if(seg[lv].l==0)seg[lv].l=++num;
update(x,y,l,mid,seg[lv].l,k);
}
}
update2(y,1,nn,lv,k);
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin>>m>>n;
int i;
for(nn=1 ; nn<n ; nn*=2);
for(i=1 ; i<=n ; i++)cin>>a[i].f;
for(i=1 ; i<=n ; i++)cin>>a[i].s.f;
for(i=1 ; i<=n ; i++)cin>>a[i].s.s;
sort(a+1,a+n+1);
for(i=1 ; i<=n ; i++){
S1.insert(a[i].s.f);
S2.insert(a[i].s.s);
}
int cnt=0;
for(auto &i:S1)xx[i]=++cnt;
cnt=0;
for(auto &i:S2)yy[i]=++cnt;
int tx,ty,k;
++num;
for(i=1 ; i<=n ; i++){
tx=xx[a[i].s.f];
ty=yy[a[i].s.s];
k=f(tx,ty,1,nn,1)+1;
update(tx,ty,1,nn,1,k);
ans=max(ans,k);
}
cout<<ans;
return 0;
}
Compilation message
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::(anonymous namespace)::__destroy_string<wchar_t>(void*)':
(.text._ZNSt13__facet_shims12_GLOBAL__N_116__destroy_stringIwEEvPv+0x1e): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::(anonymous namespace)::__destroy_string<char>(void*)':
(.text._ZNSt13__facet_shims12_GLOBAL__N_116__destroy_stringIcEEvPv+0x1e): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<wchar_t>::do_get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, bool, std::ios_base&, std::_Ios_Iostate&, std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIwE6do_getESt19istreambuf_iteratorIwSt11char_traitsIwEES6_bRSt8ios_baseRSt12_Ios_IostateRSbIwS5_SaIwEE+0xfe): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<wchar_t>::do_get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, bool, std::ios_base&, std::_Ios_Iostate&, std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIwE6do_getESt19istreambuf_iteratorIwSt11char_traitsIwEES6_bRSt8ios_baseRSt12_Ios_IostateRSbIwS5_SaIwEE+0x17b): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<char>::do_get(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, bool, std::ios_base&, std::_Ios_Iostate&, std::string&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIcE6do_getESt19istreambuf_iteratorIcSt11char_traitsIcEES6_bRSt8ios_baseRSt12_Ios_IostateRSs+0xfe): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<char>::do_get(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, bool, std::ios_base&, std::_Ios_Iostate&, std::string&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIcE6do_getESt19istreambuf_iteratorIcSt11char_traitsIcEES6_bRSt8ios_baseRSt12_Ios_IostateRSs+0x17b): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<char>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<char>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0xa1): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<char>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<char>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0x24f): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<wchar_t>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<wchar_t>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0xa9): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<wchar_t>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<wchar_t>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0x114): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<wchar_t>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<wchar_t>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0x294): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status
