#pragma GCC optimize("Ofast,unroll-loops,inline")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include<bits/stdc++.h>
using namespace std;
#define ll int
#define pb push_back
ll n;
ll refseg=1,curver;
ll members[500005];
struct SEG{
vector<vector<ll> >seg,lc,rc;
vector<ll>temp,templ,tempr;
inline void init(ll n){
seg.resize(4*n+5),lc.resize(4*n+5),rc.resize(4*n+5),temp.resize(4*n+5);
templ.resize(4*n+5),tempr.resize(4*n+5);
}
inline void build(ll l, ll r, ll id){
if(l==r){
seg[id].pb(0);
return;
}
else{
ll mid=(l+r)>>1;
build(l,mid,id*2),build(mid+1,r,id*2+1);
seg[id].pb(0),lc[id].pb(0),rc[id].pb(0);
}
}
inline void upd(ll ver, ll ul, ll l, ll r, ll val, ll id){
// cout<<ver<<' '<<ul<<' '<<l<<" "<<r<<" "<<val<<" "<<id<<'\n';
if(l==r){
seg[id].pb(seg[id][ver]+val);
return;
}
ll mid=(l+r)>>1;
if(ul<=mid){
upd(lc[id][ver],ul,l,mid,val,id*2);
seg[id].pb(seg[id][ver]+val);
lc[id].pb(seg[id*2].size()-1);
rc[id].pb(rc[id][ver]);
}
else{
upd(rc[id][ver],ul,mid+1,r,val,id*2+1);
seg[id].pb(seg[id][ver]+val);
rc[id].pb(seg[id*2+1].size()-1);
lc[id].pb(lc[id][ver]);
}
}
inline void create(ll l, ll r, ll id){
if(l==r){
seg[id].pb(0);
}
else{
ll mid=(l+r)>>1;
create(l,mid,id*2),create(mid+1,r,id*2+1);
seg[id].pb(0),lc[id].pb(seg[id*2].size()-1),rc[id].pb(seg[id*2+1].size()-1);
}
}
inline void pre(ll ver, ll ql, ll qr, ll l, ll r, ll id){
if(l>qr||r<ql||ql>qr){
return;
}
if(l>=ql&&r<=qr){
temp[id]=ver;
if(l!=r){templ[id]=lc[id][ver],tempr[id]=rc[id][ver];}
return;
}
ll mid=(l+r)>>1;
pre(lc[id][ver],ql,qr,l,mid,id*2),pre(rc[id][ver],ql,qr,mid+1,r,id*2+1);
}
inline ll qry(ll ver, ll ql, ll qr, ll l, ll r, ll id){
if(l>qr||r<ql){
return 0;
}
if(l>=ql&&r<=qr){
return seg[id][ver];
}
ll mid=(l+r)>>1;
return qry(lc[id][ver],ql,qr,l,mid,id*2)+qry(rc[id][ver],ql,qr,mid+1,r,id*2+1);
}
inline void assign(ll ver, ll ql, ll qr, ll l, ll r, ll id){
if(l>qr||r<ql||ql>qr){
return;
}
seg[id].pb(0);
if(l>=ql&&r<=qr){
if(l!=r){
lc[id].pb(templ[id]);
rc[id].pb(tempr[id]);
}
seg[id][seg[id].size()-1]=seg[id][temp[id]];
return;
}
lc[id].pb(0),rc[id].pb(0);
ll mid=(l+r)>>1;
if(mid>=ql){
assign(lc[id][ver],ql,qr,l,mid,id*2);
lc[id][seg[id].size()-1]=seg[id*2].size()-1;
}
else{
lc[id][seg[id].size()-1]=lc[id][ver];
}
if(mid+1<=qr){
assign(rc[id][ver],ql,qr,mid+1,r,id*2+1);
rc[id][seg[id].size()-1]=seg[id*2+1].size()-1;
}
else{
rc[id][seg[id].size()-1]=rc[id][ver];
}
seg[id][seg[id].size()-1]=seg[id*2][lc[id][seg[id].size()-1]]+seg[id*2+1][rc[id][seg[id].size()-1]];
}
inline ll bs(ll ver1, ll ver2, ll l, ll r, ll val, ll id){
if(seg[id][ver1]-seg[id][ver2]<val){return -1;}
if(l==r){
return l;
}
ll mid=(l+r)>>1;
if(seg[id*2][lc[id][ver1]]-seg[id*2][lc[id][ver2]]>=val){
return bs(lc[id][ver1],lc[id][ver2],l,mid,val,id*2);
}
else{
return bs(rc[id][ver1],rc[id][ver2],mid+1,r,val-(seg[id*2][lc[id][ver1]]-seg[id*2][lc[id][ver2]]),id*2+1);
}
}
}st;
vector<ll>adj[500005];
void init(int N, int a[], int b[]) {
n=N;
for(int i=0;i<n;i++){
adj[a[i]].pb(b[i]);
}
st.init(n); st.build(1,n,1);
for(int i=1;i<=n;i++){
for(auto& u: adj[i]){
// cout<<u<<" ";
st.upd(refseg-1,u,1,n,1,1);
// st.upd(refseg-1,u,1,n,1,1);
refseg++;
}
members[i]=refseg-1;
}
// cout<<members[1]<<'\n';
// cout<<st.qry(4,2,4,1,n,1)<<'\n';
st.create(1,n,1);
}
int can(int m, int k[]) {
ll sum=0;
for(int i=0;i<m;i++){
sum+=k[i];
}
if(sum>n){
return 0;
}
curver=n+1;
// sort(k,k+m);
for(int i=0;i<m;i++){
// cout<<k[i]<<" "<<curver<<'\n';
ll l=k[i],r=n;
// if(!ck(curver,k[i],r))return 0;
ll ext=st.qry(members[k[i]],1,k[i]-1,1,n,1)-st.qry(curver,1,k[i]-1,1,n,1);
l=st.bs(members[k[i]],curver,1,n,k[i]+ext,1);
if(l==-1)return 0;
ll lol2=st.qry(members[k[i]],l,l,1,n,1);
ll val=st.qry(members[k[i]],k[i],l,1,n,1)-st.qry(curver,k[i],l,1,n,1);
ll rem=val-k[i];
if(rem==0){
st.pre(members[k[i]],1,l,1,n,1);
st.assign(curver,1,l,1,n,1);
curver=st.seg[1].size()-1;
}
else{
if(k[i]<=l-1){
st.pre(members[k[i]],1,l-1,1,n,1);
st.assign(curver,1,l-1,1,n,1);
curver=st.seg[1].size()-1;
}
ll lol=st.qry(curver,l,l,1,n,1);
st.upd(curver,l,1,n,lol2-rem-lol,1);
curver=st.seg[1].size()-1;
}
}
return 1;
}
Compilation message
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/gthr.h:148,
from /usr/include/c++/10/ext/atomicity.h:35,
from /usr/include/c++/10/bits/ios_base.h:39,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from teams.cpp:3:
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:102:1: error: attribute value 'tune=native' was already specified in 'target' attribute
102 | __gthrw(pthread_once)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:102:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:103:1: error: attribute value 'tune=native' was already specified in 'target' attribute
103 | __gthrw(pthread_getspecific)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:103:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:104:1: error: attribute value 'tune=native' was already specified in 'target' attribute
104 | __gthrw(pthread_setspecific)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:104:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:106:1: error: attribute value 'tune=native' was already specified in 'target' attribute
106 | __gthrw(pthread_create)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:106:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:107:1: error: attribute value 'tune=native' was already specified in 'target' attribute
107 | __gthrw(pthread_join)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:107:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:108:1: error: attribute value 'tune=native' was already specified in 'target' attribute
108 | __gthrw(pthread_equal)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:108:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:109:1: error: attribute value 'tune=native' was already specified in 'target' attribute
109 | __gthrw(pthread_self)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:109:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:110:1: error: attribute value 'tune=native' was already specified in 'target' attribute
110 | __gthrw(pthread_detach)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:110:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:112:1: error: attribute value 'tune=native' was already specified in 'target' attribute
112 | __gthrw(pthread_cancel)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:112:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:114:1: error: attribute value 'tune=native' was already specified in 'target' attribute
114 | __gthrw(sched_yield)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:114:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:116:1: error: attribute value 'tune=native' was already specified in 'target' attribute
116 | __gthrw(pthread_mutex_lock)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:116:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:117:1: error: attribute value 'tune=native' was already specified in 'target' attribute
117 | __gthrw(pthread_mutex_trylock)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:117:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:119:1: error: attribute value 'tune=native' was already specified in 'target' attribute
119 | __gthrw(pthread_mutex_timedlock)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:119:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:121:1: error: attribute value 'tune=native' was already specified in 'target' attribute
121 | __gthrw(pthread_mutex_unlock)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:121:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:122:1: error: attribute value 'tune=native' was already specified in 'target' attribute
122 | __gthrw(pthread_mutex_init)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:122:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:123:1: error: attribute value 'tune=native' was already specified in 'target' attribute
123 | __gthrw(pthread_mutex_destroy)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:123:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:125:1: error: attribute value 'tune=native' was already specified in 'target' attribute
125 | __gthrw(pthread_cond_init)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:125:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:126:1: error: attribute value 'tune=native' was already specified in 'target' attribute
126 | __gthrw(pthread_cond_broadcast)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:126:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:127:1: error: attribute value 'tune=native' was already specified in 'target' attribute
127 | __gthrw(pthread_cond_signal)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:127:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:128:1: error: attribute value 'tune=native' was already specified in 'target' attribute
128 | __gthrw(pthread_cond_wait)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:128:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:129:1: error: attribute value 'tune=native' was already specified in 'target' attribute
129 | __gthrw(pthread_cond_timedwait)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:129:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:130:1: error: attribute value 'tune=native' was already specified in 'target' attribute
130 | __gthrw(pthread_cond_destroy)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:130:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:132:1: error: attribute value 'tune=native' was already specified in 'target' attribute
132 | __gthrw(pthread_key_create)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:132:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:133:1: error: attribute value 'tune=native' was already specified in 'target' attribute
133 | __gthrw(pthread_key_delete)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:133:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:134:1: error: attribute value 'tune=native' was already specified in 'target' attribute
134 | __gthrw(pthread_mutexattr_init)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:134:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:135:1: error: attribute value 'tune=native' was already specified in 'target' attribute
135 | __gthrw(pthread_mutexattr_settype)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:135:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:136:1: error: attribute value 'tune=native' was already specified in 'target' attribute
136 | __gthrw(pthread_mutexattr_destroy)
| ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:136:1: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:237:10: error: attribute value 'tune=native' was already specified in 'target' attribute
237 | __gthrw2(__gthrw_(__pthread_key_create),
| ^~~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:237:10: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:73:3: error: attribute value 'tune=native' was already specified in 'target' attribute
73 | _GLIBCXX_GTHRW(rwlock_rdlock)
| ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:73:3: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:74:3: error: attribute value 'tune=native' was already specified in 'target' attribute
74 | _GLIBCXX_GTHRW(rwlock_tryrdlock)
| ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:74:3: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:75:3: error: attribute value 'tune=native' was already specified in 'target' attribute
75 | _GLIBCXX_GTHRW(rwlock_wrlock)
| ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:75:3: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:76:3: error: attribute value 'tune=native' was already specified in 'target' attribute
76 | _GLIBCXX_GTHRW(rwlock_trywrlock)
| ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:76:3: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:77:3: error: attribute value 'tune=native' was already specified in 'target' attribute
77 | _GLIBCXX_GTHRW(rwlock_unlock)
| ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:77:3: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:91:4: error: attribute value 'tune=native' was already specified in 'target' attribute
91 | __gthrw(pthread_rwlock_timedrdlock);
| ^~~~~~~
/usr/include/c++/10/shared_mutex:91:4: error: attribute value 'tune=native' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:101:4: error: attribute value 'tune=native' was already specified in 'target' attribute
101 | __gthrw(pthread_rwlock_timedwrlock);
| ^~~~~~~
/usr/include/c++/10/shared_mutex:101:4: error: attribute value 'tune=native' was already specified in 'target' attribute
teams.cpp: In member function 'void SEG::init(int)':
teams.cpp:14:25: warning: declaration of 'n' shadows a global declaration [-Wshadow]
14 | inline void init(ll n){
| ^
teams.cpp:8:4: note: shadowed declaration is here
8 | ll n;
| ^
teams.cpp: In member function 'void SEG::upd(int, int, int, int, int, int)':
teams.cpp:39:39: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'std::vector<int>::value_type' {aka 'int'} may change value [-Wconversion]
39 | lc[id].pb(seg[id*2].size()-1);
| ~~~~~~~~~~~~~~~~^~
teams.cpp:45:41: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'std::vector<int>::value_type' {aka 'int'} may change value [-Wconversion]
45 | rc[id].pb(seg[id*2+1].size()-1);
| ~~~~~~~~~~~~~~~~~~^~
teams.cpp: In member function 'void SEG::create(int, int, int)':
teams.cpp:56:53: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'std::vector<int>::value_type' {aka 'int'} may change value [-Wconversion]
56 | seg[id].pb(0),lc[id].pb(seg[id*2].size()-1),rc[id].pb(seg[id*2+1].size()-1);
| ~~~~~~~~~~~~~~~~^~
teams.cpp:56:85: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'std::vector<int>::value_type' {aka 'int'} may change value [-Wconversion]
56 | seg[id].pb(0),lc[id].pb(seg[id*2].size()-1),rc[id].pb(seg[id*2+1].size()-1);
| ~~~~~~~~~~~~~~~~~~^~
teams.cpp: In member function 'void SEG::assign(int, int, int, int, int, int)':
teams.cpp:98:54: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} may change value [-Wconversion]
98 | lc[id][seg[id].size()-1]=seg[id*2].size()-1;
| ~~~~~~~~~~~~~~~~^~
teams.cpp:105:56: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} may change value [-Wconversion]
105 | rc[id][seg[id].size()-1]=seg[id*2+1].size()-1;
| ~~~~~~~~~~~~~~~~~~^~
teams.cpp: In function 'int can(int, int*)':
teams.cpp:171:36: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
171 | curver=st.seg[1].size()-1;
| ~~~~~~~~~~~~~~~~^~
teams.cpp:177:36: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
177 | curver=st.seg[1].size()-1;
| ~~~~~~~~~~~~~~~~^~
teams.cpp:181:36: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
181 | curver=st.seg[1].size()-1;
| ~~~~~~~~~~~~~~~~^~
teams.cpp:160:19: warning: unused variable 'r' [-Wunused-variable]
160 | ll l=k[i],r=n;
| ^
