Submission #1097664

# Submission time Handle Problem Language Result Execution time Memory
1097664 2024-10-07T23:44:03 Z ten_xd Lamps (JOI19_lamps) C++17
100 / 100
31 ms 28008 KB
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define rep(a,b) for(int a = 0; a < (b); ++a)
#define all(t) t.begin(), t.end()
#define pb push_back

const int N = 1e6+54321, INF = 2e9+54321;
const ll INF_L = (ll)2e18+54321;

int n,wyn;
string A,B;
int dp[N], dpS[N], dp0[N], dp1[N], dp0S[N], dp1S[N];

void solve()
{
	cin >> n >> A >> B;

	if(A[0] == B[0])
	{
		dp[0] = 0, dpS[0] = 2;
	}
	else
	{
		dp[0] = 1, dpS[0] = 1;
	}

	if(B[0] == '0')
	{
		dp0[0] = 1, dp1[0] = INF;
	}
	else
	{
		dp1[0] = 1, dp0[0] = INF;
	}

	if(B[0] == '0')
	{
		dp0S[0] = INF, dp1S[0] = 2;
	}
	else
	{
		dp1S[0] = INF, dp0S[0] = 2;
	}

	for(int i = 1; i < n; ++i)
	{
		int co = min({dp[i-1],dpS[i-1],dp0[i-1],dp1[i-1],dp0S[i-1],dp1S[i-1]});
		if(A[i] == B[i]) dp[i] = co;
		else dp[i] = co+1;

		if(A[i] != B[i])
		{
			dpS[i] = min({dpS[i-1],dp0S[i-1],dp1S[i-1],co+1});
		}
		else if(B[i] == '0') dpS[i] = min({co+2,dp1S[i-1]});
		else dpS[i] = min({co+2,dp0S[i-1]});

		if(B[i] == '0')
		{
			dp0[i] = min({dp0[i-1],dp0S[i-1],co+1});
		}
		else dp0[i] = INF;

		if(B[i] == '1')
		{
			dp1[i] = min({dp1[i-1],dp1S[i-1],co+1});
		}
		else dp1[i] = INF;

		if(B[i] == '1')
		{
			dp0S[i] = min({dp0S[i-1],co+2,dpS[i-1]+1,dp0[i-1]+1});
		}
		else dp0S[i] = INF;

		if(B[i] == '0')
		{
			dp1S[i] = min({dp1S[i-1],co+2,dpS[i-1]+1,dp1[i-1]+1});
		}
		else dp1S[i] = INF;
	}

	int res = min({dp[n-1],dpS[n-1],dp0[n-1],dp1[n-1],dp0S[n-1],dp1S[n-1]});
	cout << res << '\n';
}

int main()
{	
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int T = 1;
	//cin >> T;
	while(T--) solve();

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 464 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 464 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 472 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 460 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 21 ms 27812 KB Output is correct
8 Correct 21 ms 27812 KB Output is correct
9 Correct 20 ms 27820 KB Output is correct
10 Correct 20 ms 27808 KB Output is correct
11 Correct 23 ms 27816 KB Output is correct
12 Correct 21 ms 27812 KB Output is correct
13 Correct 20 ms 27804 KB Output is correct
14 Correct 19 ms 27872 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 464 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 472 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 460 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 21 ms 27812 KB Output is correct
66 Correct 21 ms 27812 KB Output is correct
67 Correct 20 ms 27820 KB Output is correct
68 Correct 20 ms 27808 KB Output is correct
69 Correct 23 ms 27816 KB Output is correct
70 Correct 21 ms 27812 KB Output is correct
71 Correct 20 ms 27804 KB Output is correct
72 Correct 19 ms 27872 KB Output is correct
73 Correct 19 ms 27820 KB Output is correct
74 Correct 19 ms 27980 KB Output is correct
75 Correct 19 ms 27812 KB Output is correct
76 Correct 19 ms 27808 KB Output is correct
77 Correct 19 ms 27900 KB Output is correct
78 Correct 26 ms 27812 KB Output is correct
79 Correct 19 ms 27808 KB Output is correct
80 Correct 19 ms 27824 KB Output is correct
81 Correct 19 ms 27816 KB Output is correct
82 Correct 19 ms 28008 KB Output is correct
83 Correct 23 ms 27796 KB Output is correct
84 Correct 23 ms 27908 KB Output is correct
85 Correct 23 ms 27808 KB Output is correct
86 Correct 23 ms 27812 KB Output is correct
87 Correct 23 ms 27808 KB Output is correct
88 Correct 23 ms 27808 KB Output is correct
89 Correct 23 ms 27812 KB Output is correct
90 Correct 23 ms 27800 KB Output is correct
91 Correct 29 ms 27812 KB Output is correct
92 Correct 27 ms 27812 KB Output is correct
93 Correct 28 ms 27812 KB Output is correct
94 Correct 29 ms 27944 KB Output is correct
95 Correct 26 ms 27916 KB Output is correct
96 Correct 31 ms 27976 KB Output is correct
97 Correct 27 ms 27808 KB Output is correct
98 Correct 28 ms 27812 KB Output is correct
99 Correct 28 ms 27828 KB Output is correct
100 Correct 27 ms 27808 KB Output is correct
101 Correct 28 ms 27884 KB Output is correct
102 Correct 28 ms 27812 KB Output is correct