oj.uz

Submission #624412

# Submission time Handle Problem Language Result Execution time Memory
624412 2022-08-08T08:24:12 Z pooyashams Lamps (JOI19_lamps) C++14
100 / 100
 46 ms 51224 KB 
#pragma GCC optimize("unroll-loops")
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cstring>
#include <iomanip>
#include <vector>
#include <bitset>
#include <stack>
#include <queue>
#include <cmath>
#include <set>
#include <map>
#define endl '\n'
#define X first
#define Y second

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;

const int maxn = 1e6+10;
const int inf = 1e9;

int dp[maxn][2][3];
int mnt[maxn][2];
int mna[maxn][3];
int mno[maxn];

char s[maxn];
char t[maxn];

int32_t main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	for(int i = 0; i < maxn; i++)
		for(int j = 0; j < 2; j++)
			for(int k = 0; k < 3; k++)
				dp[i][j][k] = inf;
	{
		int i = 0;
		dp[i][0][0] = 0;
		mnt[i][0] = min(dp[i][0][0], min(dp[i][0][1], dp[i][0][2]));
		mnt[i][1] = min(dp[i][1][0], min(dp[i][1][1], dp[i][1][2]));
		mno[i] = min(mnt[i][0], mnt[i][1]);
		for(int k = 0; k < 3; k++)
			mna[i][k] = min(dp[i][0][k], dp[i][1][k]);
	}
	int n; cin >> n;
	cin >> (s+1);
	cin >> (t+1);
	for(int i = 1; i <= n; i++)
	{
		if(s[i] == t[i])
		{
			dp[i][0][0] = mno[i-1];
			dp[i][1][0] = inf;
		}
		else
		{
			dp[i][0][0] = inf;
			dp[i][1][0] = min(mnt[i-1][1], mno[i-1]+1);
		}
		//
		if(t[i] == '1')
		{
			dp[i][0][1] = inf;
			dp[i][0][2] = min(mno[i-1]+1, mna[i-1][2]);
			dp[i][1][1] = min( min(mnt[i-1][1]+1, mna[i-1][1]+1), min(dp[i-1][1][1], 2+mno[i-1]) );
			dp[i][1][2] = inf;
		}
		else
		{
			dp[i][0][1] = min(mno[i-1]+1, mna[i-1][1]);
			dp[i][0][2] = inf;
			dp[i][1][1] = inf;
			dp[i][1][2] = min( min(mnt[i-1][1]+1, mna[i-1][2]+1), min(dp[i-1][1][2], 2+mno[i-1]) );
		}
		//
		mnt[i][0] = min(dp[i][0][0], min(dp[i][0][1], dp[i][0][2]));
		mnt[i][1] = min(dp[i][1][0], min(dp[i][1][1], dp[i][1][2]));
		mno[i] = min(mnt[i][0], mnt[i][1]);
		for(int k = 0; k < 3; k++)
			mna[i][k] = min(dp[i][0][k], dp[i][1][k]);
		//cerr << dp[i][0][0] << " " << dp[i][0][1] << " " << dp[i][0][2] << endl;
		//cerr << dp[i][1][0] << " " << dp[i][1][1] << " " << dp[i][1][2] << endl;
		//cerr << "---- " << (s[i] == t[i]) << endl;
	}
	cout << mno[n] << endl;
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23712 KB Output is correct
4 Correct 12 ms 23832 KB Output is correct
5 Correct 11 ms 23832 KB Output is correct
6 Correct 11 ms 23832 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 11 ms 23828 KB Output is correct
9 Correct 11 ms 23832 KB Output is correct
10 Correct 12 ms 23824 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 11 ms 23764 KB Output is correct
13 Correct 11 ms 23828 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 11 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23828 KB Output is correct
19 Correct 11 ms 23756 KB Output is correct
20 Correct 11 ms 23832 KB Output is correct
21 Correct 12 ms 23828 KB Output is correct
22 Correct 11 ms 23828 KB Output is correct
23 Correct 12 ms 23892 KB Output is correct
24 Correct 12 ms 23744 KB Output is correct
25 Correct 13 ms 23752 KB Output is correct
26 Correct 11 ms 23836 KB Output is correct
27 Correct 12 ms 23732 KB Output is correct
28 Correct 11 ms 23764 KB Output is correct
29 Correct 12 ms 23892 KB Output is correct
30 Correct 12 ms 23840 KB Output is correct
31 Correct 11 ms 23764 KB Output is correct
32 Correct 11 ms 23764 KB Output is correct
33 Correct 12 ms 23720 KB Output is correct
34 Correct 12 ms 23792 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23712 KB Output is correct
4 Correct 12 ms 23832 KB Output is correct
5 Correct 11 ms 23832 KB Output is correct
6 Correct 11 ms 23832 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 11 ms 23828 KB Output is correct
9 Correct 11 ms 23832 KB Output is correct
10 Correct 12 ms 23824 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 11 ms 23764 KB Output is correct
13 Correct 11 ms 23828 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 11 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23828 KB Output is correct
19 Correct 11 ms 23756 KB Output is correct
20 Correct 11 ms 23832 KB Output is correct
21 Correct 12 ms 23828 KB Output is correct
22 Correct 11 ms 23828 KB Output is correct
23 Correct 12 ms 23892 KB Output is correct
24 Correct 12 ms 23744 KB Output is correct
25 Correct 13 ms 23752 KB Output is correct
26 Correct 11 ms 23836 KB Output is correct
27 Correct 12 ms 23732 KB Output is correct
28 Correct 11 ms 23764 KB Output is correct
29 Correct 12 ms 23892 KB Output is correct
30 Correct 12 ms 23840 KB Output is correct
31 Correct 11 ms 23764 KB Output is correct
32 Correct 11 ms 23764 KB Output is correct
33 Correct 12 ms 23720 KB Output is correct
34 Correct 12 ms 23792 KB Output is correct
35 Correct 13 ms 23808 KB Output is correct
36 Correct 11 ms 23776 KB Output is correct
37 Correct 11 ms 23768 KB Output is correct
38 Correct 12 ms 23764 KB Output is correct
39 Correct 11 ms 23848 KB Output is correct
40 Correct 11 ms 23764 KB Output is correct
41 Correct 11 ms 23764 KB Output is correct
42 Correct 13 ms 23764 KB Output is correct
43 Correct 12 ms 23764 KB Output is correct
44 Correct 11 ms 23864 KB Output is correct
45 Correct 12 ms 23832 KB Output is correct
46 Correct 12 ms 23764 KB Output is correct
47 Correct 11 ms 23832 KB Output is correct
48 Correct 13 ms 23828 KB Output is correct
49 Correct 11 ms 23764 KB Output is correct
50 Correct 13 ms 23832 KB Output is correct
51 Correct 13 ms 23764 KB Output is correct
52 Correct 14 ms 23820 KB Output is correct
53 Correct 14 ms 23764 KB Output is correct
54 Correct 12 ms 23832 KB Output is correct
55 Correct 11 ms 23828 KB Output is correct
56 Correct 12 ms 23764 KB Output is correct
57 Correct 11 ms 23840 KB Output is correct
58 Correct 11 ms 23776 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23828 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 11 ms 23796 KB Output is correct
5 Correct 12 ms 23716 KB Output is correct
6 Correct 13 ms 23772 KB Output is correct
7 Correct 33 ms 51164 KB Output is correct
8 Correct 33 ms 51164 KB Output is correct
9 Correct 34 ms 51124 KB Output is correct
10 Correct 35 ms 51164 KB Output is correct
11 Correct 33 ms 51172 KB Output is correct
12 Correct 35 ms 51088 KB Output is correct
13 Correct 36 ms 51172 KB Output is correct
14 Correct 33 ms 51164 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23712 KB Output is correct
4 Correct 12 ms 23832 KB Output is correct
5 Correct 11 ms 23832 KB Output is correct
6 Correct 11 ms 23832 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 11 ms 23828 KB Output is correct
9 Correct 11 ms 23832 KB Output is correct
10 Correct 12 ms 23824 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 11 ms 23764 KB Output is correct
13 Correct 11 ms 23828 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 11 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 13 ms 23828 KB Output is correct
19 Correct 11 ms 23756 KB Output is correct
20 Correct 11 ms 23832 KB Output is correct
21 Correct 12 ms 23828 KB Output is correct
22 Correct 11 ms 23828 KB Output is correct
23 Correct 12 ms 23892 KB Output is correct
24 Correct 12 ms 23744 KB Output is correct
25 Correct 13 ms 23752 KB Output is correct
26 Correct 11 ms 23836 KB Output is correct
27 Correct 12 ms 23732 KB Output is correct
28 Correct 11 ms 23764 KB Output is correct
29 Correct 12 ms 23892 KB Output is correct
30 Correct 12 ms 23840 KB Output is correct
31 Correct 11 ms 23764 KB Output is correct
32 Correct 11 ms 23764 KB Output is correct
33 Correct 12 ms 23720 KB Output is correct
34 Correct 12 ms 23792 KB Output is correct
35 Correct 13 ms 23808 KB Output is correct
36 Correct 11 ms 23776 KB Output is correct
37 Correct 11 ms 23768 KB Output is correct
38 Correct 12 ms 23764 KB Output is correct
39 Correct 11 ms 23848 KB Output is correct
40 Correct 11 ms 23764 KB Output is correct
41 Correct 11 ms 23764 KB Output is correct
42 Correct 13 ms 23764 KB Output is correct
43 Correct 12 ms 23764 KB Output is correct
44 Correct 11 ms 23864 KB Output is correct
45 Correct 12 ms 23832 KB Output is correct
46 Correct 12 ms 23764 KB Output is correct
47 Correct 11 ms 23832 KB Output is correct
48 Correct 13 ms 23828 KB Output is correct
49 Correct 11 ms 23764 KB Output is correct
50 Correct 13 ms 23832 KB Output is correct
51 Correct 13 ms 23764 KB Output is correct
52 Correct 14 ms 23820 KB Output is correct
53 Correct 14 ms 23764 KB Output is correct
54 Correct 12 ms 23832 KB Output is correct
55 Correct 11 ms 23828 KB Output is correct
56 Correct 12 ms 23764 KB Output is correct
57 Correct 11 ms 23840 KB Output is correct
58 Correct 11 ms 23776 KB Output is correct
59 Correct 12 ms 23828 KB Output is correct
60 Correct 11 ms 23764 KB Output is correct
61 Correct 11 ms 23764 KB Output is correct
62 Correct 11 ms 23796 KB Output is correct
63 Correct 12 ms 23716 KB Output is correct
64 Correct 13 ms 23772 KB Output is correct
65 Correct 33 ms 51164 KB Output is correct
66 Correct 33 ms 51164 KB Output is correct
67 Correct 34 ms 51124 KB Output is correct
68 Correct 35 ms 51164 KB Output is correct
69 Correct 33 ms 51172 KB Output is correct
70 Correct 35 ms 51088 KB Output is correct
71 Correct 36 ms 51172 KB Output is correct
72 Correct 33 ms 51164 KB Output is correct
73 Correct 33 ms 51224 KB Output is correct
74 Correct 35 ms 51172 KB Output is correct
75 Correct 35 ms 51148 KB Output is correct
76 Correct 36 ms 51176 KB Output is correct
77 Correct 40 ms 51128 KB Output is correct
78 Correct 34 ms 51064 KB Output is correct
79 Correct 33 ms 51184 KB Output is correct
80 Correct 35 ms 51088 KB Output is correct
81 Correct 39 ms 51104 KB Output is correct
82 Correct 35 ms 51168 KB Output is correct
83 Correct 36 ms 51152 KB Output is correct
84 Correct 39 ms 51172 KB Output is correct
85 Correct 36 ms 51180 KB Output is correct
86 Correct 38 ms 51084 KB Output is correct
87 Correct 37 ms 51060 KB Output is correct
88 Correct 38 ms 51164 KB Output is correct
89 Correct 38 ms 51104 KB Output is correct
90 Correct 37 ms 51168 KB Output is correct
91 Correct 38 ms 51184 KB Output is correct
92 Correct 41 ms 51080 KB Output is correct
93 Correct 39 ms 51168 KB Output is correct
94 Correct 41 ms 51088 KB Output is correct
95 Correct 46 ms 51076 KB Output is correct
96 Correct 39 ms 51172 KB Output is correct
97 Correct 41 ms 51116 KB Output is correct
98 Correct 40 ms 51104 KB Output is correct
99 Correct 40 ms 51164 KB Output is correct
100 Correct 40 ms 51176 KB Output is correct
101 Correct 40 ms 51164 KB Output is correct
102 Correct 41 ms 51148 KB Output is correct