Submission #668290

#	Time	Username	Problem	Language	Result	Execution time	Memory
668290		MrDeboo	Zalmoxis (BOI18_zalmoxis)	C++17	100 / 100	163 ms	35408 KiB

zalmoxis

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>;
deque<int>dqqq;
int k;
void ss(int a){
    k++;
    deque<int>dq={a};
    while(dq.size()*2<=k&&dq.back()){
        int x=dq.size();
        for(int i=0;i<x;i++){
            dq.push_back(dq[i]-1);
                dq.push_back(dq[i]-1);
        }
        for(int i=0;i<x;i++){
            dq.pop_front();
        }
    }
    if(!dq.back()){
        for(auto &i:dq){
            k--;
            dqqq.push_back(i);
        }
    }else{
        int c=dq.size()*2-k;
        for(int i=0;i<c;i++){
            k--;
            dqqq.push_back(dq[i]);
        }
        for(int i=c;i<dq.size();i++){
            k--;k--;
            dqqq.push_back(dq[i]-1);
            dqqq.push_back(dq[i]-1);
        }
    }
}
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n;
    cin>>n>>k;
    deque<int>a,b(n);
    for(auto &i:b)cin>>i;
    deque<int>doq=b;
    deque<int>dq={b[0]};
    deque<int>dqq={1};
    a.push_back(b[0]);
    b.pop_front();
    while(b.size()){
        if(b[0]<=a.back()){
            a.push_back(b[0]);
            dq.push_back(b[0]);
            dqq.push_back(1);
            b.pop_front();
        }else{
            k--;
            a.push_back(a.back());
            dq.push_back(a.back());
            dqq.push_back(0);
        }
        while(a.size()>1&&a.back()==a[a.size()-2]){
            int A=a.back();
            a.pop_back();
            a.pop_back();
            a.push_back(A+1);
        }
    }
    while(a.size()>1){
        a.push_back(a.back());
        dq.push_back(a.back());
        dqq.push_back(0);
        k--;
        while(a.size()>1&&a.back()==a[a.size()-2]){
            int A=a.back();
            a.pop_back();
            a.pop_back();
            a.push_back(A+1);
        }
    }
    int g=a.back();
    if(g==30){
        if(k==0){for(auto &i:dq)cout<<i<<' ';return 0;}
        for(int i=0;i<dq.size();i++){
            if(dqq[i])dqqq.push_back(dq[i]);
            else{
                ss(dq[i]);
            }
        }
        for(auto &i:dqqq)cout<<i<<' ';
    }
    else{
        for(int i=g;i<=29&&k;i++){
            dq.push_back(i);
            k--;
        }
        int z=dq.back();
        dq.pop_back();
        k++;
        deque<int>dqq={z};
        while(dqq.size()*2<=k){
            int x=dqq.size();
            for(int i=0;i<x;i++){
                dqq.push_back(dqq[i]-1);
                    dqq.push_back(dqq[i]-1);
            }
            for(int i=0;i<x;i++){
                dqq.pop_front();
            }
        }
        int c=dqq.size()*2-k;
        for(int i=0;i<c;i++){
            k--;
            dq.push_back(dqq[i]);
        }
        for(int i=c;i<dqq.size();i++){
            k--;k--;
            dq.push_back(dqq[i]-1);
                dq.push_back(dqq[i]-1);
        }
        assert(k==0);
        for(auto &i:dq)cout<<i<<' ';
    }
}

Compilation message (stderr)

zalmoxis.cpp: In function 'void ss(long long int)':
zalmoxis.cpp:14:22: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   14 |     while(dq.size()*2<=k&&dq.back()){
      |           ~~~~~~~~~~~^~~
zalmoxis.cpp:35:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(int i=c;i<dq.size();i++){
      |                     ~^~~~~~~~~~
zalmoxis.cpp: In function 'int main()':
zalmoxis.cpp:87:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |         for(int i=0;i<dq.size();i++){
      |                     ~^~~~~~~~~~
zalmoxis.cpp:104:27: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
  104 |         while(dqq.size()*2<=k){
      |               ~~~~~~~~~~~~^~~
zalmoxis.cpp:119:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  119 |         for(int i=c;i<dqq.size();i++){
      |                     ~^~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70