oj.uz

Submission #216809

# Submission time Handle Problem Language Result Execution time Memory
216809 2020-03-28T05:53:53 Z PeppaPig Lamps (JOI19_lamps) C++14
100 / 100
 195 ms 121848 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e6+5;

int n, dp[N][3][2];
char A[N], B[N];

int solve(int i, int md, int f) {
    if(i == n + 1) return 0;
    int &now = dp[i][md][f];
    if(~now) return now;
    now = 1e9;

    for(int x = 0; x < 3; x++) for(int y = 0; y < 2; y++) {
        int cost = (x != md && x) + (y != f && y);
        int cur = !x ? A[i] - '0' : x - 1;
        if((cur ^ y) == B[i] - '0')
            now = min(now, solve(i + 1, x, y) + cost);
    }
    return now;
}

int main() {
    memset(dp, -1, sizeof dp);

    scanf("%d %s %s", &n, A + 1, B + 1);
    printf("%d\n", solve(1, 0, 0));

    return 0;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %s %s", &n, A + 1, B + 1);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23808 KB Output is correct
2 Correct 17 ms 23808 KB Output is correct
3 Correct 17 ms 23808 KB Output is correct
4 Correct 16 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 16 ms 23808 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 16 ms 23808 KB Output is correct
12 Correct 17 ms 23808 KB Output is correct
13 Correct 17 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 17 ms 23808 KB Output is correct
16 Correct 17 ms 23808 KB Output is correct
17 Correct 16 ms 23808 KB Output is correct
18 Correct 17 ms 23808 KB Output is correct
19 Correct 16 ms 23808 KB Output is correct
20 Correct 17 ms 23808 KB Output is correct
21 Correct 17 ms 23808 KB Output is correct
22 Correct 16 ms 23808 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23808 KB Output is correct
25 Correct 16 ms 23808 KB Output is correct
26 Correct 16 ms 23808 KB Output is correct
27 Correct 17 ms 23808 KB Output is correct
28 Correct 16 ms 23808 KB Output is correct
29 Correct 16 ms 23808 KB Output is correct
30 Correct 17 ms 23808 KB Output is correct
31 Correct 16 ms 23808 KB Output is correct
32 Correct 16 ms 23936 KB Output is correct
33 Correct 17 ms 23808 KB Output is correct
34 Correct 17 ms 23808 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23808 KB Output is correct
2 Correct 17 ms 23808 KB Output is correct
3 Correct 17 ms 23808 KB Output is correct
4 Correct 16 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 16 ms 23808 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 16 ms 23808 KB Output is correct
12 Correct 17 ms 23808 KB Output is correct
13 Correct 17 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 17 ms 23808 KB Output is correct
16 Correct 17 ms 23808 KB Output is correct
17 Correct 16 ms 23808 KB Output is correct
18 Correct 17 ms 23808 KB Output is correct
19 Correct 16 ms 23808 KB Output is correct
20 Correct 17 ms 23808 KB Output is correct
21 Correct 17 ms 23808 KB Output is correct
22 Correct 16 ms 23808 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23808 KB Output is correct
25 Correct 16 ms 23808 KB Output is correct
26 Correct 16 ms 23808 KB Output is correct
27 Correct 17 ms 23808 KB Output is correct
28 Correct 16 ms 23808 KB Output is correct
29 Correct 16 ms 23808 KB Output is correct
30 Correct 17 ms 23808 KB Output is correct
31 Correct 16 ms 23808 KB Output is correct
32 Correct 16 ms 23936 KB Output is correct
33 Correct 17 ms 23808 KB Output is correct
34 Correct 17 ms 23808 KB Output is correct
35 Correct 17 ms 23936 KB Output is correct
36 Correct 16 ms 23936 KB Output is correct
37 Correct 16 ms 23936 KB Output is correct
38 Correct 17 ms 24064 KB Output is correct
39 Correct 18 ms 23936 KB Output is correct
40 Correct 18 ms 24064 KB Output is correct
41 Correct 17 ms 24064 KB Output is correct
42 Correct 17 ms 23936 KB Output is correct
43 Correct 17 ms 23936 KB Output is correct
44 Correct 17 ms 24064 KB Output is correct
45 Correct 16 ms 23936 KB Output is correct
46 Correct 17 ms 23936 KB Output is correct
47 Correct 17 ms 23936 KB Output is correct
48 Correct 17 ms 23936 KB Output is correct
49 Correct 17 ms 24064 KB Output is correct
50 Correct 17 ms 23936 KB Output is correct
51 Correct 17 ms 23936 KB Output is correct
52 Correct 17 ms 24064 KB Output is correct
53 Correct 17 ms 23936 KB Output is correct
54 Correct 17 ms 23936 KB Output is correct
55 Correct 17 ms 23936 KB Output is correct
56 Correct 16 ms 23936 KB Output is correct
57 Correct 17 ms 23936 KB Output is correct
58 Correct 17 ms 23936 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23808 KB Output is correct
2 Correct 17 ms 23808 KB Output is correct
3 Correct 17 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 16 ms 23808 KB Output is correct
7 Correct 167 ms 121720 KB Output is correct
8 Correct 164 ms 121720 KB Output is correct
9 Correct 161 ms 121592 KB Output is correct
10 Correct 156 ms 121592 KB Output is correct
11 Correct 159 ms 121592 KB Output is correct
12 Correct 155 ms 121592 KB Output is correct
13 Correct 164 ms 121696 KB Output is correct
14 Correct 167 ms 121808 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23808 KB Output is correct
2 Correct 17 ms 23808 KB Output is correct
3 Correct 17 ms 23808 KB Output is correct
4 Correct 16 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 16 ms 23808 KB Output is correct
7 Correct 16 ms 23808 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 16 ms 23808 KB Output is correct
12 Correct 17 ms 23808 KB Output is correct
13 Correct 17 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 17 ms 23808 KB Output is correct
16 Correct 17 ms 23808 KB Output is correct
17 Correct 16 ms 23808 KB Output is correct
18 Correct 17 ms 23808 KB Output is correct
19 Correct 16 ms 23808 KB Output is correct
20 Correct 17 ms 23808 KB Output is correct
21 Correct 17 ms 23808 KB Output is correct
22 Correct 16 ms 23808 KB Output is correct
23 Correct 17 ms 23808 KB Output is correct
24 Correct 17 ms 23808 KB Output is correct
25 Correct 16 ms 23808 KB Output is correct
26 Correct 16 ms 23808 KB Output is correct
27 Correct 17 ms 23808 KB Output is correct
28 Correct 16 ms 23808 KB Output is correct
29 Correct 16 ms 23808 KB Output is correct
30 Correct 17 ms 23808 KB Output is correct
31 Correct 16 ms 23808 KB Output is correct
32 Correct 16 ms 23936 KB Output is correct
33 Correct 17 ms 23808 KB Output is correct
34 Correct 17 ms 23808 KB Output is correct
35 Correct 17 ms 23936 KB Output is correct
36 Correct 16 ms 23936 KB Output is correct
37 Correct 16 ms 23936 KB Output is correct
38 Correct 17 ms 24064 KB Output is correct
39 Correct 18 ms 23936 KB Output is correct
40 Correct 18 ms 24064 KB Output is correct
41 Correct 17 ms 24064 KB Output is correct
42 Correct 17 ms 23936 KB Output is correct
43 Correct 17 ms 23936 KB Output is correct
44 Correct 17 ms 24064 KB Output is correct
45 Correct 16 ms 23936 KB Output is correct
46 Correct 17 ms 23936 KB Output is correct
47 Correct 17 ms 23936 KB Output is correct
48 Correct 17 ms 23936 KB Output is correct
49 Correct 17 ms 24064 KB Output is correct
50 Correct 17 ms 23936 KB Output is correct
51 Correct 17 ms 23936 KB Output is correct
52 Correct 17 ms 24064 KB Output is correct
53 Correct 17 ms 23936 KB Output is correct
54 Correct 17 ms 23936 KB Output is correct
55 Correct 17 ms 23936 KB Output is correct
56 Correct 16 ms 23936 KB Output is correct
57 Correct 17 ms 23936 KB Output is correct
58 Correct 17 ms 23936 KB Output is correct
59 Correct 17 ms 23808 KB Output is correct
60 Correct 17 ms 23808 KB Output is correct
61 Correct 17 ms 23808 KB Output is correct
62 Correct 17 ms 23808 KB Output is correct
63 Correct 17 ms 23808 KB Output is correct
64 Correct 16 ms 23808 KB Output is correct
65 Correct 167 ms 121720 KB Output is correct
66 Correct 164 ms 121720 KB Output is correct
67 Correct 161 ms 121592 KB Output is correct
68 Correct 156 ms 121592 KB Output is correct
69 Correct 159 ms 121592 KB Output is correct
70 Correct 155 ms 121592 KB Output is correct
71 Correct 164 ms 121696 KB Output is correct
72 Correct 167 ms 121808 KB Output is correct
73 Correct 162 ms 121592 KB Output is correct
74 Correct 160 ms 121592 KB Output is correct
75 Correct 156 ms 121596 KB Output is correct
76 Correct 153 ms 121592 KB Output is correct
77 Correct 157 ms 121720 KB Output is correct
78 Correct 155 ms 121592 KB Output is correct
79 Correct 178 ms 121720 KB Output is correct
80 Correct 157 ms 121720 KB Output is correct
81 Correct 152 ms 121592 KB Output is correct
82 Correct 153 ms 121592 KB Output is correct
83 Correct 185 ms 121720 KB Output is correct
84 Correct 172 ms 121608 KB Output is correct
85 Correct 174 ms 121592 KB Output is correct
86 Correct 171 ms 121592 KB Output is correct
87 Correct 179 ms 121592 KB Output is correct
88 Correct 173 ms 121592 KB Output is correct
89 Correct 176 ms 121592 KB Output is correct
90 Correct 182 ms 121720 KB Output is correct
91 Correct 183 ms 121592 KB Output is correct
92 Correct 190 ms 121592 KB Output is correct
93 Correct 195 ms 121848 KB Output is correct
94 Correct 195 ms 121592 KB Output is correct
95 Correct 187 ms 121700 KB Output is correct
96 Correct 194 ms 121720 KB Output is correct
97 Correct 190 ms 121592 KB Output is correct
98 Correct 187 ms 121592 KB Output is correct
99 Correct 190 ms 121592 KB Output is correct
100 Correct 195 ms 121592 KB Output is correct
101 Correct 189 ms 121596 KB Output is correct
102 Correct 190 ms 121720 KB Output is correct