This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "teams.h"
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define MANY_TESTS int tcase; cin >> tcase; while(tcase--)
const double EPS = 1e-9;
const int MOD = 1e9+7;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};
void DBG(){cout << "]" << endl;}
template<typename T, typename ...U> void DBG(const T& head, const U... args){ cout << head << "; "; DBG(args...); }
#define dbg(...) cout << "Line(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__);
#define chk() cout << "Check at line(" << __LINE__ << ") hit." << endl;
template<class T, unsigned int U>
ostream& operator<<(ostream& out, const array<T, U> &v){out << "["; REP(i, U) out << v[i] << ", "; out << "]"; return out;}
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "["; REP(i, v.size()) out << v[i] << ", "; out << "]"; return out;}
template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }
template<int M>
struct bit{
static const int blocks = (M >> 8) + 2;
unsigned long long a[blocks];
bit(){memset(a, 0, sizeof(a));}
void NOT(){REP(i, blocks) a[i] = ~a[i];}
void AND(bit<M> &oth){
REP(i, blocks) a[i] &= oth.a[i];
}
void REM(bit<M> &oth){
REP(i, blocks) a[i] &= (~oth.a[i]);
}
void OR(bit<M> &oth){
REP(i, blocks) a[i] |= oth.a[i];
}
void set(int id){
int bid = id >> 8;
id -= bid << 8;
a[bid] |= (1ull << id);
}
bool get_first(int x){
int curr = 0;
int nxt = INF;
bool is_enough = false;
REP(i, blocks){
curr += __builtin_popcountll(a[i]);
if(curr >= x){
is_enough = true;
nxt = i + 1;
REPD(j, 63){
if(a[i] & (1ull << j)){
if(curr > x){
a[i] &= ~(1ull << j);
curr--;
}
}
}
break;
}
}
FOR(i, nxt, blocks, 1)
a[i] = 0;
return is_enough;
}
void print(int nm){
REP(i, nm){
REP(j, 64){
cout << ((a[i] & (1ull << j)) ? 1 : 0);
}
}
cout << endl;
}
};
const int mxn = (int)1e5;
vector<bit<mxn>> bits;
vector<int> pos;
vector<int> a;
int n;
void init(int N, int A[], int B[]) {
n = N;
REP(i, N) a.pb(A[i]);
vector<int> bs(N);
pos.resize(N);
REP(i, N) bs[i] = i;
auto cmp = [&](int lhs, int rhs){
return B[lhs] < B[rhs];
};
auto cmp_a = [&](int lhs, int rhs){
return A[lhs] < A[rhs];
};
sort(all(bs), cmp);
REP(i, N) pos[bs[i]] = i;
vector<int> as(n); REP(i, n) as[i] = i;
sort(all(as), cmp_a);
int pp = 0;
bit<mxn> bt;
sort(all(a));
a.erase(unique(all(a)), a.end());
REP(i, a.size()){
while(pp < as.size() && A[as[pp]] <= a[i]){
bt.set(pos[as[pp]]); pp++;
}
bits.pb(bt);
}
}
int can(int M, int K[]) {
sort(K, K + M);
bit<mxn> removed;
bit<mxn> temp;
REP(i, M){
int id = upper_bound(all(a), K[i]) - a.begin();
id--;
if(id == -1) return 0;
temp = bits[id];
temp.REM(removed);
if(!temp.get_first(K[i]))
return 0;
removed.OR(temp);
//dbg(i, id, K[i])
//removed.print(1);
}
return 1;
}
Compilation message (stderr)
teams.cpp: In function 'void init(int, int*, int*)':
teams.cpp:20:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
| ^
teams.cpp:22:18: note: in expansion of macro 'FOR'
22 | #define REP(i,b) FOR(i,0,b,1)
| ^~~
teams.cpp:137:5: note: in expansion of macro 'REP'
137 | REP(i, a.size()){
| ^~~
teams.cpp:138:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
138 | while(pp < as.size() && A[as[pp]] <= a[i]){
| ~~~^~~~~~~~~~~
teams.cpp: In function 'int can(int, int*)':
teams.cpp:150:44: warning: conversion from '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'} to 'int' may change value [-Wconversion]
150 | int id = upper_bound(all(a), K[i]) - a.begin();
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
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