oj.uz

Submission #596774

# Submission time Handle Problem Language Result Execution time Memory
596774 2022-07-15T04:11:11 Z penguinhacker Lamps (JOI19_lamps) C++17
100 / 100
 48 ms 14212 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ar array
 
const int mxN=1e6;
int n, dp[mxN][3]; // use 0, use 1, use nothing
string a, b;
 
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> a >> b;
	memset(dp, 0x3f, sizeof(dp));
	dp[0][0]=(a[0]!=b[0]);
	dp[0][1]=1+(b[0]=='1');
	dp[0][2]=1+(b[0]=='0');
	for (int i=1; i<n; ++i) {
		for (int j=0; j<3; ++j) {
			for (int k=0; k<3; ++k) {
				int dif1=j==1?b[i-1]=='1':j==2?b[i-1]=='0':b[i-1]!=a[i-1];
				int dif2=k==1?b[i]=='1':k==2?b[i]=='0':b[i]!=a[i];
				dp[i][k]=min(dp[i][k], dp[i-1][j]+(k>0&&j!=k)+(dif2&&!dif1));
			}
		}
	}
	cout << min({dp[n-1][0], dp[n-1][1], dp[n-1][2]});
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12028 KB Output is correct
3 Correct 5 ms 11964 KB Output is correct
4 Correct 5 ms 11988 KB Output is correct
5 Correct 5 ms 11988 KB Output is correct
6 Correct 5 ms 12032 KB Output is correct
7 Correct 5 ms 11988 KB Output is correct
8 Correct 5 ms 11988 KB Output is correct
9 Correct 5 ms 12052 KB Output is correct
10 Correct 5 ms 11988 KB Output is correct
11 Correct 4 ms 11988 KB Output is correct
12 Correct 5 ms 11988 KB Output is correct
13 Correct 5 ms 11936 KB Output is correct
14 Correct 5 ms 11988 KB Output is correct
15 Correct 4 ms 11988 KB Output is correct
16 Correct 5 ms 11988 KB Output is correct
17 Correct 6 ms 11988 KB Output is correct
18 Correct 5 ms 11988 KB Output is correct
19 Correct 6 ms 11988 KB Output is correct
20 Correct 5 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 5 ms 11988 KB Output is correct
23 Correct 5 ms 11988 KB Output is correct
24 Correct 6 ms 11952 KB Output is correct
25 Correct 5 ms 11988 KB Output is correct
26 Correct 5 ms 12036 KB Output is correct
27 Correct 5 ms 11988 KB Output is correct
28 Correct 6 ms 11968 KB Output is correct
29 Correct 5 ms 11988 KB Output is correct
30 Correct 5 ms 12112 KB Output is correct
31 Correct 5 ms 11988 KB Output is correct
32 Correct 5 ms 11988 KB Output is correct
33 Correct 7 ms 12032 KB Output is correct
34 Correct 5 ms 11988 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12028 KB Output is correct
3 Correct 5 ms 11964 KB Output is correct
4 Correct 5 ms 11988 KB Output is correct
5 Correct 5 ms 11988 KB Output is correct
6 Correct 5 ms 12032 KB Output is correct
7 Correct 5 ms 11988 KB Output is correct
8 Correct 5 ms 11988 KB Output is correct
9 Correct 5 ms 12052 KB Output is correct
10 Correct 5 ms 11988 KB Output is correct
11 Correct 4 ms 11988 KB Output is correct
12 Correct 5 ms 11988 KB Output is correct
13 Correct 5 ms 11936 KB Output is correct
14 Correct 5 ms 11988 KB Output is correct
15 Correct 4 ms 11988 KB Output is correct
16 Correct 5 ms 11988 KB Output is correct
17 Correct 6 ms 11988 KB Output is correct
18 Correct 5 ms 11988 KB Output is correct
19 Correct 6 ms 11988 KB Output is correct
20 Correct 5 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 5 ms 11988 KB Output is correct
23 Correct 5 ms 11988 KB Output is correct
24 Correct 6 ms 11952 KB Output is correct
25 Correct 5 ms 11988 KB Output is correct
26 Correct 5 ms 12036 KB Output is correct
27 Correct 5 ms 11988 KB Output is correct
28 Correct 6 ms 11968 KB Output is correct
29 Correct 5 ms 11988 KB Output is correct
30 Correct 5 ms 12112 KB Output is correct
31 Correct 5 ms 11988 KB Output is correct
32 Correct 5 ms 11988 KB Output is correct
33 Correct 7 ms 12032 KB Output is correct
34 Correct 5 ms 11988 KB Output is correct
35 Correct 5 ms 11988 KB Output is correct
36 Correct 6 ms 11988 KB Output is correct
37 Correct 5 ms 11988 KB Output is correct
38 Correct 6 ms 11988 KB Output is correct
39 Correct 5 ms 11988 KB Output is correct
40 Correct 5 ms 11956 KB Output is correct
41 Correct 5 ms 11988 KB Output is correct
42 Correct 5 ms 11988 KB Output is correct
43 Correct 6 ms 11988 KB Output is correct
44 Correct 5 ms 11988 KB Output is correct
45 Correct 5 ms 11988 KB Output is correct
46 Correct 5 ms 11988 KB Output is correct
47 Correct 5 ms 11988 KB Output is correct
48 Correct 5 ms 11988 KB Output is correct
49 Correct 5 ms 11988 KB Output is correct
50 Correct 5 ms 11988 KB Output is correct
51 Correct 5 ms 11988 KB Output is correct
52 Correct 6 ms 11988 KB Output is correct
53 Correct 5 ms 11988 KB Output is correct
54 Correct 6 ms 11988 KB Output is correct
55 Correct 7 ms 11988 KB Output is correct
56 Correct 5 ms 11988 KB Output is correct
57 Correct 5 ms 11988 KB Output is correct
58 Correct 5 ms 12048 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 11988 KB Output is correct
2 Correct 5 ms 11968 KB Output is correct
3 Correct 5 ms 11988 KB Output is correct
4 Correct 4 ms 12044 KB Output is correct
5 Correct 5 ms 11960 KB Output is correct
6 Correct 6 ms 11972 KB Output is correct
7 Correct 35 ms 14116 KB Output is correct
8 Correct 41 ms 14172 KB Output is correct
9 Correct 31 ms 14104 KB Output is correct
10 Correct 33 ms 14148 KB Output is correct
11 Correct 39 ms 14212 KB Output is correct
12 Correct 43 ms 14144 KB Output is correct
13 Correct 33 ms 14164 KB Output is correct
14 Correct 32 ms 14120 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12028 KB Output is correct
3 Correct 5 ms 11964 KB Output is correct
4 Correct 5 ms 11988 KB Output is correct
5 Correct 5 ms 11988 KB Output is correct
6 Correct 5 ms 12032 KB Output is correct
7 Correct 5 ms 11988 KB Output is correct
8 Correct 5 ms 11988 KB Output is correct
9 Correct 5 ms 12052 KB Output is correct
10 Correct 5 ms 11988 KB Output is correct
11 Correct 4 ms 11988 KB Output is correct
12 Correct 5 ms 11988 KB Output is correct
13 Correct 5 ms 11936 KB Output is correct
14 Correct 5 ms 11988 KB Output is correct
15 Correct 4 ms 11988 KB Output is correct
16 Correct 5 ms 11988 KB Output is correct
17 Correct 6 ms 11988 KB Output is correct
18 Correct 5 ms 11988 KB Output is correct
19 Correct 6 ms 11988 KB Output is correct
20 Correct 5 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 5 ms 11988 KB Output is correct
23 Correct 5 ms 11988 KB Output is correct
24 Correct 6 ms 11952 KB Output is correct
25 Correct 5 ms 11988 KB Output is correct
26 Correct 5 ms 12036 KB Output is correct
27 Correct 5 ms 11988 KB Output is correct
28 Correct 6 ms 11968 KB Output is correct
29 Correct 5 ms 11988 KB Output is correct
30 Correct 5 ms 12112 KB Output is correct
31 Correct 5 ms 11988 KB Output is correct
32 Correct 5 ms 11988 KB Output is correct
33 Correct 7 ms 12032 KB Output is correct
34 Correct 5 ms 11988 KB Output is correct
35 Correct 5 ms 11988 KB Output is correct
36 Correct 6 ms 11988 KB Output is correct
37 Correct 5 ms 11988 KB Output is correct
38 Correct 6 ms 11988 KB Output is correct
39 Correct 5 ms 11988 KB Output is correct
40 Correct 5 ms 11956 KB Output is correct
41 Correct 5 ms 11988 KB Output is correct
42 Correct 5 ms 11988 KB Output is correct
43 Correct 6 ms 11988 KB Output is correct
44 Correct 5 ms 11988 KB Output is correct
45 Correct 5 ms 11988 KB Output is correct
46 Correct 5 ms 11988 KB Output is correct
47 Correct 5 ms 11988 KB Output is correct
48 Correct 5 ms 11988 KB Output is correct
49 Correct 5 ms 11988 KB Output is correct
50 Correct 5 ms 11988 KB Output is correct
51 Correct 5 ms 11988 KB Output is correct
52 Correct 6 ms 11988 KB Output is correct
53 Correct 5 ms 11988 KB Output is correct
54 Correct 6 ms 11988 KB Output is correct
55 Correct 7 ms 11988 KB Output is correct
56 Correct 5 ms 11988 KB Output is correct
57 Correct 5 ms 11988 KB Output is correct
58 Correct 5 ms 12048 KB Output is correct
59 Correct 5 ms 11988 KB Output is correct
60 Correct 5 ms 11968 KB Output is correct
61 Correct 5 ms 11988 KB Output is correct
62 Correct 4 ms 12044 KB Output is correct
63 Correct 5 ms 11960 KB Output is correct
64 Correct 6 ms 11972 KB Output is correct
65 Correct 35 ms 14116 KB Output is correct
66 Correct 41 ms 14172 KB Output is correct
67 Correct 31 ms 14104 KB Output is correct
68 Correct 33 ms 14148 KB Output is correct
69 Correct 39 ms 14212 KB Output is correct
70 Correct 43 ms 14144 KB Output is correct
71 Correct 33 ms 14164 KB Output is correct
72 Correct 32 ms 14120 KB Output is correct
73 Correct 35 ms 14120 KB Output is correct
74 Correct 32 ms 14116 KB Output is correct
75 Correct 34 ms 14152 KB Output is correct
76 Correct 36 ms 14116 KB Output is correct
77 Correct 48 ms 14116 KB Output is correct
78 Correct 35 ms 14116 KB Output is correct
79 Correct 31 ms 14120 KB Output is correct
80 Correct 33 ms 14120 KB Output is correct
81 Correct 32 ms 14120 KB Output is correct
82 Correct 33 ms 14148 KB Output is correct
83 Correct 32 ms 14096 KB Output is correct
84 Correct 40 ms 14144 KB Output is correct
85 Correct 38 ms 14160 KB Output is correct
86 Correct 32 ms 14116 KB Output is correct
87 Correct 33 ms 14164 KB Output is correct
88 Correct 32 ms 14156 KB Output is correct
89 Correct 31 ms 14116 KB Output is correct
90 Correct 43 ms 14144 KB Output is correct
91 Correct 40 ms 14116 KB Output is correct
92 Correct 34 ms 14116 KB Output is correct
93 Correct 32 ms 14116 KB Output is correct
94 Correct 35 ms 14100 KB Output is correct
95 Correct 33 ms 14076 KB Output is correct
96 Correct 30 ms 14116 KB Output is correct
97 Correct 35 ms 14116 KB Output is correct
98 Correct 32 ms 14048 KB Output is correct
99 Correct 31 ms 14120 KB Output is correct
100 Correct 33 ms 14120 KB Output is correct
101 Correct 32 ms 14120 KB Output is correct
102 Correct 33 ms 14060 KB Output is correct