제출 #338050

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
338050		Nimbostratus	Restore Array (RMI19_restore)	C++17	7 / 100	192 ms	492 KiB

restore

#include <bits/stdc++.h>
#define mt make_tuple
using namespace std;
typedef long long ll;
const ll INF = 1e15;
int N,M;
string ans;
vector<tuple<int,int,int,int>> q; 

int32_t main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	//freopen("in","r",stdin);
	//freopen("out","w",stdout);
	cin >> N >> M;
	if(N <= 18)
	{
		q.resize(M);
		for(int i=0;i<M;i++)
		{
			int l,r,k,v;
			cin >> l >> r >> k >> v;
			q[i] = mt(l,r,k,v);
		}
		for(int i=0;i<(1<<N);i++)
		{
			string cur;
			for(int k=0;k<N;k++)
				cur = char('0' + !!(i&(1<<k))) + cur;
			int pre[cur.size()+5];
			pre[0] = (cur[0] - '0');
			for(int i=1;i<cur.size();i++)
				pre[i] = pre[i-1] + (cur[i] - '0');
			bool flag = 1;
			for(int i=0;i<M and flag;i++)
			{
				int l,r,k,v;
				tie(l,r,k,v) = q[i];
				//cout << l << " " << r << " " << k << " " << v << endl;
				int onecnt = pre[r] - (l == 0 ? 0 : pre[l-1]);
				if(v == 0)
					flag = flag and ((r-l+1)-onecnt >= k); 
				else
					flag = flag and ((r-l+1)-onecnt < k);
			}
			if(flag)
			{
				for(int i=0;i<cur.size();i++)
					cout << int(cur[i]-'0') << " ";
				return 0;
			}
		}
		cout << -1 << endl;
		return 0;
	}
	for(int i=0;i<N;i++) ans += '2';
	q.resize(M);
	for(int i=0;i<M;i++)
	{
		int l,r,k,v;
		cin >> l >> r >> k >> v;
		q[i] = mt(l,r,k,v);
	}
	for(int i=0;i<M;i++)
	{
		int l,r,k,v;
		tie(l,r,k,v) = q[i];
		if(v == 1)
			for(int i=l;i<=r;i++)
				ans[i] = '1';
	}
	for(int i=0;i<M;i++)
	{
		int l,r,k,v;
		tie(l,r,k,v) = q[i];
		if(v == 0)
		{
			bool flag = 0;
			for(int i=l;i<=r;i++)
			{
				if(ans[i] == '2')
				{
					ans[i] = '0';
					flag = 1;
					break;
				}  
			}
			if(!flag)
			{
				cout << -1 << endl;
				return 0;
			}
		}
	}
	for(int i=0;i<N;i++)
		cout << (ans[i] == '2' ? '1' : ans[i]) << " ";
}

컴파일 시 표준 에러 (stderr) 메시지

restore.cpp: In function 'int32_t main()':
restore.cpp:34:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    for(int i=1;i<cur.size();i++)
      |                ~^~~~~~~~~~~
restore.cpp:50:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for(int i=0;i<cur.size();i++)
      |                 ~^~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55