oj.uz

Submission #1005535

# Submission time Handle Problem Language Result Execution time Memory
1005535 2024-06-22T15:09:39 Z AdamGS Lamps (JOI19_lamps) C++17
100 / 100
 28 ms 28064 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e6+7, INF=1e9+7;
int dp[LIM][3][2];
int main() {
        ios_base::sync_with_stdio(0); cin.tie(0);
        int n;
        string s, t;
        cin >> n >> s >> t;
        rep(i, 3) rep(j, 2) dp[0][i][j]=INF;
        dp[0][2][0]=0;
        rep(i, n) {
                rep(a, 3) rep(b, 2) dp[i+1][a][b]=INF;
                int x=0;
                if(s[i]!=t[i]) x=1;
                rep(a, 3) rep(b, 2) {
                        int c=dp[i][a][b];
                        if(x==1 && b==0) ++c;
                        dp[i+1][2][x]=min(dp[i+1][2][x], c);
                }
                x=0;
                if(t[i]!='0') x=1;
                rep(a, 3) rep(b, 2) {
                        int c=dp[i][a][b];
                        if(a!=0) ++c;
                        if(x==1 && b==0) ++c;
                        dp[i+1][0][x]=min(dp[i+1][0][x], c);
                }
                x=0;
                if(t[i]!='1') x=1;
                rep(a, 3) rep(b, 2) {
                        int c=dp[i][a][b];
                        if(a!=1) ++c;
                        if(x==1 && b==0) ++c;
                        dp[i+1][1][x]=min(dp[i+1][1][x], c);
                }
        }
        int ans=INF;
        rep(a, 3) rep(b, 2) ans=min(ans, dp[n][a][b]);
        cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

# 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 0 ms 344 KB Output is correct
8 Correct 1 ms 428 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 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 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 464 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 0 ms 348 KB Output is correct
28 Correct 1 ms 464 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 348 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 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 0 ms 344 KB Output is correct
8 Correct 1 ms 428 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 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 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 464 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 0 ms 348 KB Output is correct
28 Correct 1 ms 464 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 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 600 KB Output is correct
36 Correct 0 ms 348 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 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 604 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 348 KB Output is correct
52 Correct 1 ms 464 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 504 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 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 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 21 ms 27624 KB Output is correct
8 Correct 20 ms 27624 KB Output is correct
9 Correct 22 ms 27792 KB Output is correct
10 Correct 22 ms 27820 KB Output is correct
11 Correct 21 ms 27572 KB Output is correct
12 Correct 21 ms 27596 KB Output is correct
13 Correct 21 ms 27804 KB Output is correct
14 Correct 21 ms 27604 KB Output is correct

Subtask #4
49.0 / 49.0

# 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 0 ms 344 KB Output is correct
8 Correct 1 ms 428 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 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 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 464 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 0 ms 348 KB Output is correct
28 Correct 1 ms 464 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 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 600 KB Output is correct
36 Correct 0 ms 348 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 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 604 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 348 KB Output is correct
52 Correct 1 ms 464 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 504 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 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 21 ms 27624 KB Output is correct
66 Correct 20 ms 27624 KB Output is correct
67 Correct 22 ms 27792 KB Output is correct
68 Correct 22 ms 27820 KB Output is correct
69 Correct 21 ms 27572 KB Output is correct
70 Correct 21 ms 27596 KB Output is correct
71 Correct 21 ms 27804 KB Output is correct
72 Correct 21 ms 27604 KB Output is correct
73 Correct 19 ms 27812 KB Output is correct
74 Correct 20 ms 27820 KB Output is correct
75 Correct 21 ms 27844 KB Output is correct
76 Correct 21 ms 27812 KB Output is correct
77 Correct 20 ms 27808 KB Output is correct
78 Correct 20 ms 27772 KB Output is correct
79 Correct 20 ms 27816 KB Output is correct
80 Correct 18 ms 27816 KB Output is correct
81 Correct 19 ms 27812 KB Output is correct
82 Correct 19 ms 27776 KB Output is correct
83 Correct 20 ms 27820 KB Output is correct
84 Correct 21 ms 27816 KB Output is correct
85 Correct 20 ms 27820 KB Output is correct
86 Correct 20 ms 27812 KB Output is correct
87 Correct 21 ms 27804 KB Output is correct
88 Correct 21 ms 27816 KB Output is correct
89 Correct 23 ms 27864 KB Output is correct
90 Correct 21 ms 27804 KB Output is correct
91 Correct 23 ms 28064 KB Output is correct
92 Correct 20 ms 27820 KB Output is correct
93 Correct 25 ms 27740 KB Output is correct
94 Correct 23 ms 27808 KB Output is correct
95 Correct 21 ms 27808 KB Output is correct
96 Correct 28 ms 27860 KB Output is correct
97 Correct 20 ms 27764 KB Output is correct
98 Correct 20 ms 27812 KB Output is correct
99 Correct 21 ms 27972 KB Output is correct
100 Correct 21 ms 27740 KB Output is correct
101 Correct 20 ms 27816 KB Output is correct
102 Correct 20 ms 27824 KB Output is correct