oj.uz

Submission #949530

# Submission time Handle Problem Language Result Execution time Memory
949530 2024-03-19T10:20:20 Z pcc Lamps (JOI19_lamps) C++17
10 / 100
 238 ms 5088 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;

void S1(){
	memset(dist,-1,sizeof(dist));
	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];
}

void S3(){
	string a,b;
	cin>>a>>b;
	char pre = '0';
	int ans = 0;
	for(auto &i:b){
		if(i == '1'&&pre == '0')ans++;
		pre = i;
	}
	cout<<ans;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N;
	if(N<=18)S1();
	else S3();
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 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 1 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 227 ms 4812 KB Output is correct
9 Correct 226 ms 4948 KB Output is correct
10 Correct 90 ms 4744 KB Output is correct
11 Correct 87 ms 4764 KB Output is correct
12 Correct 224 ms 5032 KB Output is correct
13 Correct 96 ms 4844 KB Output is correct
14 Correct 236 ms 5020 KB Output is correct
15 Correct 97 ms 4820 KB Output is correct
16 Correct 238 ms 5040 KB Output is correct
17 Correct 93 ms 4828 KB Output is correct
18 Correct 206 ms 4992 KB Output is correct
19 Correct 106 ms 4792 KB Output is correct
20 Correct 210 ms 5024 KB Output is correct
21 Correct 95 ms 4704 KB Output is correct
22 Correct 209 ms 4956 KB Output is correct
23 Correct 100 ms 4796 KB Output is correct
24 Correct 222 ms 5004 KB Output is correct
25 Correct 89 ms 4696 KB Output is correct
26 Correct 224 ms 5088 KB Output is correct
27 Correct 92 ms 4784 KB Output is correct
28 Correct 42 ms 4696 KB Output is correct
29 Correct 223 ms 4920 KB Output is correct
30 Correct 92 ms 4700 KB Output is correct
31 Correct 41 ms 4740 KB Output is correct
32 Correct 215 ms 5016 KB Output is correct
33 Correct 89 ms 4696 KB Output is correct
34 Correct 40 ms 4444 KB Output is correct

Subtask #2
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 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 1 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 227 ms 4812 KB Output is correct
9 Correct 226 ms 4948 KB Output is correct
10 Correct 90 ms 4744 KB Output is correct
11 Correct 87 ms 4764 KB Output is correct
12 Correct 224 ms 5032 KB Output is correct
13 Correct 96 ms 4844 KB Output is correct
14 Correct 236 ms 5020 KB Output is correct
15 Correct 97 ms 4820 KB Output is correct
16 Correct 238 ms 5040 KB Output is correct
17 Correct 93 ms 4828 KB Output is correct
18 Correct 206 ms 4992 KB Output is correct
19 Correct 106 ms 4792 KB Output is correct
20 Correct 210 ms 5024 KB Output is correct
21 Correct 95 ms 4704 KB Output is correct
22 Correct 209 ms 4956 KB Output is correct
23 Correct 100 ms 4796 KB Output is correct
24 Correct 222 ms 5004 KB Output is correct
25 Correct 89 ms 4696 KB Output is correct
26 Correct 224 ms 5088 KB Output is correct
27 Correct 92 ms 4784 KB Output is correct
28 Correct 42 ms 4696 KB Output is correct
29 Correct 223 ms 4920 KB Output is correct
30 Correct 92 ms 4700 KB Output is correct
31 Correct 41 ms 4740 KB Output is correct
32 Correct 215 ms 5016 KB Output is correct
33 Correct 89 ms 4696 KB Output is correct
34 Correct 40 ms 4444 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Incorrect 1 ms 348 KB Output isn't correct
39 Halted 0 ms 0 KB -

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4696 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 2 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 4 ms 2808 KB Output is correct
9 Correct 4 ms 2808 KB Output is correct
10 Correct 4 ms 2804 KB Output is correct
11 Correct 4 ms 2808 KB Output is correct
12 Correct 3 ms 2808 KB Output is correct
13 Correct 4 ms 2808 KB Output is correct
14 Correct 4 ms 2804 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 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 1 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 227 ms 4812 KB Output is correct
9 Correct 226 ms 4948 KB Output is correct
10 Correct 90 ms 4744 KB Output is correct
11 Correct 87 ms 4764 KB Output is correct
12 Correct 224 ms 5032 KB Output is correct
13 Correct 96 ms 4844 KB Output is correct
14 Correct 236 ms 5020 KB Output is correct
15 Correct 97 ms 4820 KB Output is correct
16 Correct 238 ms 5040 KB Output is correct
17 Correct 93 ms 4828 KB Output is correct
18 Correct 206 ms 4992 KB Output is correct
19 Correct 106 ms 4792 KB Output is correct
20 Correct 210 ms 5024 KB Output is correct
21 Correct 95 ms 4704 KB Output is correct
22 Correct 209 ms 4956 KB Output is correct
23 Correct 100 ms 4796 KB Output is correct
24 Correct 222 ms 5004 KB Output is correct
25 Correct 89 ms 4696 KB Output is correct
26 Correct 224 ms 5088 KB Output is correct
27 Correct 92 ms 4784 KB Output is correct
28 Correct 42 ms 4696 KB Output is correct
29 Correct 223 ms 4920 KB Output is correct
30 Correct 92 ms 4700 KB Output is correct
31 Correct 41 ms 4740 KB Output is correct
32 Correct 215 ms 5016 KB Output is correct
33 Correct 89 ms 4696 KB Output is correct
34 Correct 40 ms 4444 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Incorrect 1 ms 348 KB Output isn't correct
39 Halted 0 ms 0 KB -