Submission #792819

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
792819	2023-07-25 09:04:40	vjudge1	Lamps (JOI19_lamps)	C++14	4 / 100	24 ms	4224 KiB

lamp

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#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std ;
const int N = 1e6, NS = 2000 ;
int n ;
bool flag ;
char a[N + 1], b[N + 2] ;
int dist[N + 1], dp[NS + 1][NS + 1] ;
map<int, int> pref, sum ;
void bfs()
{
    int num = 0 ;
    deque<int> d ;
    for(int i = 0 ; i < n ; i++)
        if(a[i] == '1')
            num ^= (1 << i) ;
    d.push_back(num) ;
    dist[num] = 1 ;
    while(d.size())
    {
        int now = d[0] ;
        d.pop_front() ;
        for(int i = 0 ; i < n ; i++)
            for(int j = i ; j < n ; j++)
            {
                int num1 = now, num2 = now, num3 = now ;
                for(int q = i ; q <= j ; q++)
                {
 
 
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• Subtask 1: 0 / 6
• Subtask 2: 0 / 41
• Subtask 3: 4 / 4
• Subtask 4: 0 / 49