제출 #59905

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
59905		Kerim	Zalmoxis (BOI18_zalmoxis)	C++17	35 / 100	335 ms	66384 KiB

zalmoxis

#include "bits/stdc++.h"
#define MAXN 1000009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int arr[MAXN];
vector<int>adj[MAXN];
vector<int>vec;
void solve(int x,int y){
	vector<int>v,g;
	v.pb(x);
	while(y){
		if(!v.size()){
			swap(v,g);
			g.clear();
		}
		g.pb(v.back()-1);
		g.pb(v.back()-1);
		v.ppb();
		y--;
	}
	tr(it,v)
		printf("%d ",*it);
	tr(it,g)
		printf("%d ",*it);
}
int main(){
    //~ freopen("file.in", "r", stdin);
    int n,k;
    scanf("%d%d",&n,&k);
    for(int i=1;i<=n;i++)
		scanf("%d",arr+i);
	stack<PII>st;	
	st.push(mp(arr[1],1));
	int cnt=0;
	for(int i=2;i<=n;i++){
		int now=arr[i],ok=0;
		while(!ok){
			while(!st.empty() and st.top().ff==now){
				st.pop();
				now++;
			}
			if(st.empty())
				st.push(mp(now,i)),ok=1;
			else{
				if(st.top().ff<now){
					while(st.top().ff<now){
						PII tmp=st.top();st.pop();
						if(st.empty() or st.top().ff!=tmp.ff)
							adj[tmp.ss].pb(tmp.ff),cnt++;
						else
							st.pop();
						st.push(mp(tmp.ff+1,tmp.ss));
					}
				}
				else
					st.push(mp(now,i)),ok=1;
			}	
		}
	}	
	while(!st.empty()){
		PII tmp=st.top();st.pop();
		if(tmp.ff==30)
			break;
		if(!st.empty() and st.top().ff==tmp.ff)
			st.pop();
		else
			adj[tmp.ss].pb(tmp.ff),cnt++;
		st.push(mp(tmp.ff+1,tmp.ss));	
	}
	assert(cnt<=k);
	k-=cnt;
	for(int i=1;i<=n;i++){
		printf("%d ",arr[i]);
		tr(it,adj[i]){
			if((1<<*it)<=k){
				k-=(1<<*it);
				for(int j=0;j<(1<<(*it));j++)
					printf("0 ");
			}
			else
				solve(*it,k),k=0;
		}
	}puts("");
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

zalmoxis.cpp: In function 'int main()':
zalmoxis.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&k);
     ~~~~~^~~~~~~~~~~~~~
zalmoxis.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",arr+i);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 5 / 70