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Submission #794646

# Submission time Handle Problem Language Result Execution time Memory
794646 2023-07-26T18:09:07 Z vjudge1 Lamps (JOI19_lamps) C++17
100 / 100
 148 ms 2716 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;

const int INF = 1e9;

int n;
string s, t;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n;
    cin >> s;
    cin >> t;
    vector<vector<int>> dp(3, vector<int>(2, INF));
    dp[0][0] = 0;
    for(int i = 0; i < n; i++) {
        vector<vector<int>> newdp(3, vector<int>(2, INF));
        for(int op1 = 0; op1 < 3; op1++) {
            for(int x1 = 0; x1 < 2; x1++) {
                char x = s[i];
                if(op1) x = op1 - 1 + '0';
                if(x1) x = (x == '0' ? '1' : '0');
                if(x != t[i]) continue;
                for(int op2 = 0; op2 < 3; op2++) {
                    for(int x2 = 0; x2 < 2; x2++) {
                        int w = (op1 && op1 != op2) + (x1 && x1 != x2);
                        newdp[op1][x1] = min(dp[op2][x2] + w, newdp[op1][x1]);
                    }
                }
            }
        }
        dp = newdp;
    }
    int ans = INF;
    for(int x = 0; x < 3; x++) {
        for(int y = 0; y < 2; y++) {
            ans = min(ans, dp[x][y]);
        }
    }
    cout << ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 232 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 320 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 320 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 104 ms 2672 KB Output is correct
8 Correct 117 ms 2672 KB Output is correct
9 Correct 107 ms 2672 KB Output is correct
10 Correct 108 ms 2672 KB Output is correct
11 Correct 107 ms 2672 KB Output is correct
12 Correct 102 ms 2672 KB Output is correct
13 Correct 113 ms 2672 KB Output is correct
14 Correct 103 ms 2672 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 232 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 320 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 320 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 104 ms 2672 KB Output is correct
66 Correct 117 ms 2672 KB Output is correct
67 Correct 107 ms 2672 KB Output is correct
68 Correct 108 ms 2672 KB Output is correct
69 Correct 107 ms 2672 KB Output is correct
70 Correct 102 ms 2672 KB Output is correct
71 Correct 113 ms 2672 KB Output is correct
72 Correct 103 ms 2672 KB Output is correct
73 Correct 127 ms 2672 KB Output is correct
74 Correct 108 ms 2672 KB Output is correct
75 Correct 112 ms 2672 KB Output is correct
76 Correct 115 ms 2672 KB Output is correct
77 Correct 148 ms 2672 KB Output is correct
78 Correct 107 ms 2672 KB Output is correct
79 Correct 108 ms 2672 KB Output is correct
80 Correct 106 ms 2672 KB Output is correct
81 Correct 108 ms 2672 KB Output is correct
82 Correct 107 ms 2672 KB Output is correct
83 Correct 111 ms 2672 KB Output is correct
84 Correct 111 ms 2672 KB Output is correct
85 Correct 114 ms 2672 KB Output is correct
86 Correct 111 ms 2672 KB Output is correct
87 Correct 109 ms 2716 KB Output is correct
88 Correct 108 ms 2672 KB Output is correct
89 Correct 109 ms 2672 KB Output is correct
90 Correct 112 ms 2672 KB Output is correct
91 Correct 139 ms 2672 KB Output is correct
92 Correct 129 ms 2672 KB Output is correct
93 Correct 113 ms 2672 KB Output is correct
94 Correct 112 ms 2672 KB Output is correct
95 Correct 111 ms 2672 KB Output is correct
96 Correct 113 ms 2672 KB Output is correct
97 Correct 113 ms 2672 KB Output is correct
98 Correct 112 ms 2672 KB Output is correct
99 Correct 124 ms 2672 KB Output is correct
100 Correct 112 ms 2672 KB Output is correct
101 Correct 127 ms 2672 KB Output is correct
102 Correct 113 ms 2672 KB Output is correct