oj.uz

Submission #949522

# Submission time Handle Problem Language Result Execution time Memory
949522 2024-03-19T10:16:57 Z pcc Lamps (JOI19_lamps) C++17
6 / 100
 246 ms 12852 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


int N;
string s;
ll ans = 1e9;

int dist[1<<20];
queue<int> q;

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	memset(dist,-1,sizeof(dist));
	cin>>N;
	cin>>s;
	int a = 0,b = 0;
	for(int i = 0;i<N;i++){
		if(s[i] == '1')a |= 1<<i;
	}
	cin>>s;
	for(int i = 0;i<N;i++){
		if(s[i] == '1')b |= 1<<i;
	}
	dist[a] = 0;
	q.push(a);
	while(!q.empty()){
		auto now = q.front();
		q.pop();
		for(int l = 0;l<N;l++){
			int ta = now,tb = now,tc = now;
			for(int r = l;r<N;r++){
				ta |= 1<<r;
				if(tb&(1<<r))tb ^= (1<<r);
				tc ^= 1<<r;
				if(dist[ta] == -1){
					dist[ta] = dist[now]+1;
					q.push(ta);
				}
				if(dist[tb] == -1){
					dist[tb] = dist[now]+1;
					q.push(tb);
				}
				if(dist[tc] == -1){
					dist[tc] = dist[now]+1;
					q.push(tc);
				}
			}
		}
	}
	cout<<dist[b];
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4560 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 232 ms 4952 KB Output is correct
9 Correct 234 ms 4960 KB Output is correct
10 Correct 111 ms 4756 KB Output is correct
11 Correct 105 ms 4700 KB Output is correct
12 Correct 226 ms 5032 KB Output is correct
13 Correct 108 ms 4700 KB Output is correct
14 Correct 237 ms 5216 KB Output is correct
15 Correct 104 ms 4812 KB Output is correct
16 Correct 235 ms 5068 KB Output is correct
17 Correct 106 ms 4700 KB Output is correct
18 Correct 238 ms 5036 KB Output is correct
19 Correct 99 ms 4800 KB Output is correct
20 Correct 240 ms 5060 KB Output is correct
21 Correct 107 ms 4808 KB Output is correct
22 Correct 234 ms 5080 KB Output is correct
23 Correct 114 ms 4800 KB Output is correct
24 Correct 246 ms 4812 KB Output is correct
25 Correct 109 ms 5036 KB Output is correct
26 Correct 228 ms 5088 KB Output is correct
27 Correct 100 ms 4776 KB Output is correct
28 Correct 48 ms 4700 KB Output is correct
29 Correct 246 ms 5004 KB Output is correct
30 Correct 106 ms 4796 KB Output is correct
31 Correct 47 ms 4676 KB Output is correct
32 Correct 227 ms 4796 KB Output is correct
33 Correct 102 ms 4784 KB Output is correct
34 Correct 52 ms 4684 KB Output is correct

Subtask #2
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4560 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 232 ms 4952 KB Output is correct
9 Correct 234 ms 4960 KB Output is correct
10 Correct 111 ms 4756 KB Output is correct
11 Correct 105 ms 4700 KB Output is correct
12 Correct 226 ms 5032 KB Output is correct
13 Correct 108 ms 4700 KB Output is correct
14 Correct 237 ms 5216 KB Output is correct
15 Correct 104 ms 4812 KB Output is correct
16 Correct 235 ms 5068 KB Output is correct
17 Correct 106 ms 4700 KB Output is correct
18 Correct 238 ms 5036 KB Output is correct
19 Correct 99 ms 4800 KB Output is correct
20 Correct 240 ms 5060 KB Output is correct
21 Correct 107 ms 4808 KB Output is correct
22 Correct 234 ms 5080 KB Output is correct
23 Correct 114 ms 4800 KB Output is correct
24 Correct 246 ms 4812 KB Output is correct
25 Correct 109 ms 5036 KB Output is correct
26 Correct 228 ms 5088 KB Output is correct
27 Correct 100 ms 4776 KB Output is correct
28 Correct 48 ms 4700 KB Output is correct
29 Correct 246 ms 5004 KB Output is correct
30 Correct 106 ms 4796 KB Output is correct
31 Correct 47 ms 4676 KB Output is correct
32 Correct 227 ms 4796 KB Output is correct
33 Correct 102 ms 4784 KB Output is correct
34 Correct 52 ms 4684 KB Output is correct
35 Runtime error 6 ms 8924 KB Execution killed with signal 11
36 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 2 ms 4556 KB Output is correct
7 Runtime error 10 ms 12852 KB Execution killed with signal 11
8 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4560 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 232 ms 4952 KB Output is correct
9 Correct 234 ms 4960 KB Output is correct
10 Correct 111 ms 4756 KB Output is correct
11 Correct 105 ms 4700 KB Output is correct
12 Correct 226 ms 5032 KB Output is correct
13 Correct 108 ms 4700 KB Output is correct
14 Correct 237 ms 5216 KB Output is correct
15 Correct 104 ms 4812 KB Output is correct
16 Correct 235 ms 5068 KB Output is correct
17 Correct 106 ms 4700 KB Output is correct
18 Correct 238 ms 5036 KB Output is correct
19 Correct 99 ms 4800 KB Output is correct
20 Correct 240 ms 5060 KB Output is correct
21 Correct 107 ms 4808 KB Output is correct
22 Correct 234 ms 5080 KB Output is correct
23 Correct 114 ms 4800 KB Output is correct
24 Correct 246 ms 4812 KB Output is correct
25 Correct 109 ms 5036 KB Output is correct
26 Correct 228 ms 5088 KB Output is correct
27 Correct 100 ms 4776 KB Output is correct
28 Correct 48 ms 4700 KB Output is correct
29 Correct 246 ms 5004 KB Output is correct
30 Correct 106 ms 4796 KB Output is correct
31 Correct 47 ms 4676 KB Output is correct
32 Correct 227 ms 4796 KB Output is correct
33 Correct 102 ms 4784 KB Output is correct
34 Correct 52 ms 4684 KB Output is correct
35 Runtime error 6 ms 8924 KB Execution killed with signal 11
36 Halted 0 ms 0 KB -