| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 671043 | alvingogo | Teams (IOI15_teams) | C++14 | 0 ms | 0 KiB |
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 <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;
struct ST{
struct no{
int lch=-1,rch=-1,val=0;
};
vector<no> st;
int newe(no x){
st.push_back(x);
return st.size()-1;
}
void pull(int x){
st[x].val=st[st[x].lch].val+st[st[x].rch].val;
}
int build(int L,int R){
if(L==R){
int x=newe({-1,-1,0});
return x;
}
int m=(L+R)/2;
int a=build(L,m);
int b=build(m+1,R);
int x=newe({a,b,0});
return x;
}
int update(int v,int L,int R,int p){
if(L==R){
int x=newe(st[v]);
st[x].val++;
return x;
}
int m=(L+R)/2;
if(p<=m){
int a=update(st[v].lch,L,m,p);
int x=newe(st[v]);
st[x].lch=a;
pull(x);
return x;
}
else{
int b=update(st[v].rch,m+1,R,p);
int x=newe(st[v]);
st[x].rch=b;
pull(x);
return x;
}
}
int query(int v,int L,int R,int l,int r){
if(L==l && r==R){
return st[v].val;
}
int m=(L+R)/2;
if(r<=m){
return query(st[v].lch,L,m,l,r);
}
else if(l>m){
return query(st[v].rch,m+1,R,l,r);
}
else{
return query(st[v].lch,L,m,l,m)+query(st[v].rch,m+1,R,m+1,r);
}
}
int bs(int v1,int v2,int L,int R,int k){
if(L==R){
return L;
}
int s=st[st[v2].lch].val-st[st[v1].lch].val;
int m=(L+R)/2;
if(s>=k){
return bs(st[v1].lch,st[v2].lch,L,m,k);
}
else{
return bs(st[v1].rch,st[v2].rch,m+1,R,k-s);
}
}
}st;
int n;
vector<int> rt;
int get(int l,int r,int u,int d){
//cout << l << " " << r << " " << u << " " << d << "\n";
if(l>r || u>d){
return 0;
}
return st.query(rt[r],0,n,u,d)-(l==0?0:st.query(rt[l-1],0,n,u,d));
}
vector<int> lis;
void init(int N,int a[],int b[]){
n=N;
lis.clear();
vector<pair<int,int> > c;
for(int i=0;i<n;i++){
c.push_back({b[i],a[i]});
}
sort(c.begin(),c.end());
//lis.push_back(0);
for(int i=0;i<n;i++){
lis.push_back(c[i].fs);
c[i].fs=i;
}
vector<vector<int> > d(n+1);
for(int i=0;i<n;i++){
d[c[i].sc].push_back(c[i].fs);
}
rt.resize(n+1);
rt[0]=st.build(0,n);
for(int i=1;i<=n;i++){
rt[i]=rt[i-1];
for(auto h:d[i]){
rt[i]=st.update(rt[i],0,n,h);
}
}
}
struct DQ{
int id,mx,sum;
};
int can(int m,int k[]){
sort(k,k+m);
vector<DQ> v;
v.push_back({0,n,0});
int uu=0;
for(int i=0;i<m;i++){
if(i<m-1 && k[i]==k[i+1]){
uu+=k[i];
continue;
}
int a=k[i];
k[i]+=uu;
uu=0;
int nw=0;
int nxt=0;
int ut=upper_bound(lis.begin(),lis.end(),a)-lis.begin()-1;
int lt=lower_bound(lis.begin(),lis.end(),a)-lis.begin()-1;
while(v.size()){
auto h=v.back();
if(h.mx<lt){
v.pop_back();
continue;
}
h.sum=max(h.sum,get(h.id+1,a,0,lt));
//h.mx=max(h.mx,lt);
/*
if(h.mx<lt){
h.mx=lt;
h.sum=get(h.id+1,a,0,lt);
}
*/
int zz=get(h.id+1,a,0,h.mx)-h.sum;
//cout << h.mx << " " << lt << "e" << h.sum << " " << zz << "\n";
if(zz<k[i]){
k[i]-=zz;
v.pop_back();
if(v.size()){
//auto &y=v.back();
//y.sum=get(y.id+1,a,0,y.mx);
v.back().sum+=h.sum+zz;
}
}
else{
h.sum+=k[i];
nxt=st.bs(rt[h.id],rt[a],0,n,h.sum);
k[i]=0;
v.back()=h;
break;
}
}
if(k[i]){
return 0;
}
v.push_back({a,nxt,0});
}
return 1;
}
#include <stdio.h>
#include <stdlib.h>
static char _buffer[1024];
static int _currentChar = 0;
static int _charsNumber = 0;
static FILE *_inputFile, *_outputFile;
static inline int _read() {
if (_charsNumber < 0) {
exit(1);
}
if (!_charsNumber || _currentChar == _charsNumber) {
_charsNumber = (int)fread(_buffer, sizeof(_buffer[0]), sizeof(_buffer), _inputFile);
_currentChar = 0;
}
if (_charsNumber <= 0) {
return -1;
}
return _buffer[_currentChar++];
}
static inline int _readInt() {
int c, x, s;
c = _read();
while (c <= 32) c = _read();
x = 0;
s = 1;
if (c == '-') {
s = -1;
c = _read();
}
while (c > 32) {
x *= 10;
x += c - '0';
c = _read();
}
if (s < 0) x = -x;
return x;
}
int main() {
AquA;
int N;
cin >> N;
int *A = (int*)malloc(sizeof(int)*(unsigned int)N);
int *B = (int*)malloc(sizeof(int)*(unsigned int)N);
for (int i = 0; i < N; ++i) {
cin >> A[i];
cin >> B[i];
}
init(N, A, B);
int Q;
cin >> Q;
for (int i = 0; i < Q; ++i) {
int M;
cin >> M;
int *K = (int*)malloc(sizeof(int)*(unsigned int)M);
for (int j = 0; j < M; ++j) {
cin >> K[j];
}
cout << can(M,K) << "\n";
}
return 0;
}