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Submission #1066033

# Submission time Handle Problem Language Result Execution time Memory
1066033 2024-08-19T14:17:37 Z Andrey Lamps (JOI19_lamps) C++14
100 / 100
 53 ms 21980 KB 
#include<bits/stdc++.h>
using namespace std;

int dp[1000010][3];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin >> n;
    vector<int> haha(n+2);
    vector<int> bruh(n+2);
    for(int i = 1; i <= n; i++) {
        char a;
        cin >> a;
        haha[i] = a-'0';
    }
    for(int i = 1; i <= n; i++) {
        char a;
        cin >> a;
        bruh[i] = a-'0';
    }
    dp[0][0] = 1e9;
    dp[0][1] = 1e9;
    dp[0][2] = 0;
    for(int i = 1; i <= n+1; i++) {
        dp[i][0] = 1e9;
        dp[i][1] = 1e9;
        dp[i][2] = 1e9;
        for(int j = 0; j < 3; j++) {
            for(int k = 0; k < 3; k++) {
                int a = haha[i-1],b = haha[i],br = dp[i-1][j];
                if(j < 2) {
                    a = j;
                }
                if(k < 2) {
                    b = k;
                }
                if((a == bruh[i-1]) != (b == bruh[i])) {
                    br++;
                }
                if(j != k) {
                    if(j == 2 || k == 2) {
                        br++;
                    }
                    else {
                        br+=2;
                    }
                }
                dp[i][k] = min(dp[i][k],br);
            }
        }
    }
    cout << dp[n+1][2]/2;
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 460 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 464 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 460 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 464 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 464 KB Output is correct
44 Correct 0 ms 344 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 468 KB Output is correct
52 Correct 0 ms 352 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 352 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 464 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 348 KB Output is correct
7 Correct 42 ms 21944 KB Output is correct
8 Correct 44 ms 21972 KB Output is correct
9 Correct 43 ms 21856 KB Output is correct
10 Correct 44 ms 21840 KB Output is correct
11 Correct 47 ms 21840 KB Output is correct
12 Correct 47 ms 21848 KB Output is correct
13 Correct 43 ms 21852 KB Output is correct
14 Correct 48 ms 21852 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 460 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 464 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 464 KB Output is correct
44 Correct 0 ms 344 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 468 KB Output is correct
52 Correct 0 ms 352 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 352 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 464 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 344 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
65 Correct 42 ms 21944 KB Output is correct
66 Correct 44 ms 21972 KB Output is correct
67 Correct 43 ms 21856 KB Output is correct
68 Correct 44 ms 21840 KB Output is correct
69 Correct 47 ms 21840 KB Output is correct
70 Correct 47 ms 21848 KB Output is correct
71 Correct 43 ms 21852 KB Output is correct
72 Correct 48 ms 21852 KB Output is correct
73 Correct 42 ms 21844 KB Output is correct
74 Correct 43 ms 21844 KB Output is correct
75 Correct 46 ms 21840 KB Output is correct
76 Correct 48 ms 21868 KB Output is correct
77 Correct 44 ms 21980 KB Output is correct
78 Correct 42 ms 21860 KB Output is correct
79 Correct 43 ms 21836 KB Output is correct
80 Correct 43 ms 21748 KB Output is correct
81 Correct 53 ms 21844 KB Output is correct
82 Correct 43 ms 21728 KB Output is correct
83 Correct 43 ms 21844 KB Output is correct
84 Correct 43 ms 21840 KB Output is correct
85 Correct 43 ms 21844 KB Output is correct
86 Correct 42 ms 21844 KB Output is correct
87 Correct 42 ms 21800 KB Output is correct
88 Correct 47 ms 21844 KB Output is correct
89 Correct 43 ms 21844 KB Output is correct
90 Correct 43 ms 21840 KB Output is correct
91 Correct 43 ms 21840 KB Output is correct
92 Correct 42 ms 21852 KB Output is correct
93 Correct 43 ms 21800 KB Output is correct
94 Correct 48 ms 21840 KB Output is correct
95 Correct 44 ms 21888 KB Output is correct
96 Correct 42 ms 21844 KB Output is correct
97 Correct 47 ms 21844 KB Output is correct
98 Correct 42 ms 21844 KB Output is correct
99 Correct 44 ms 21888 KB Output is correct
100 Correct 42 ms 21840 KB Output is correct
101 Correct 46 ms 21844 KB Output is correct
102 Correct 43 ms 21844 KB Output is correct