oj.uz

Submission #1013930

# Submission time Handle Problem Language Result Execution time Memory
1013930 2024-07-04T08:21:40 Z vjudge1 Lamps (JOI19_lamps) C++17
100 / 100
 43 ms 41560 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<long long, long long>
#define pb push_back
#define F first
#define S second  
#define all(x) (x).begin(), (x).end()

const ll N = 1e6 + 100;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const ll block = 450;
ll n;
ll a[N], b[N], dp[N][3]; // 0 la dang thuc hien operation 0, 1 la dang thuc hien operation 1, 2 la khong lam j
void to_thic_cau(){
    cin >> n;
    for(int i = 1; i <= n;i++){
        char c; cin >> c;
        a[i] = c - '0';
    }
    for(int i = 1; i <= n;i++){
        char c; cin >> c;
        b[i] = c - '0';
    }
    for(int i = 0; i <= n;i++) dp[i][0] = dp[i][1] = dp[i][2] = inf;
    dp[1][0] = (b[1] == 1) + 1, dp[1][1] = (b[1] == 0) + 1, dp[1][2] = (a[1] != b[1]);
    for(int i = 2; i <= n;i++){
        // xet TH thuc hien operation 0
        dp[i][0] = min(dp[i][0], dp[i-1][0] + (b[i] == 1 && b[i-1] == 0));
        dp[i][0] = min(dp[i][0], dp[i-1][1] + (b[i] == 1 && b[i-1] == 1) + 1);
        dp[i][0] = min(dp[i][0], dp[i-1][2] + (b[i] == 1 && a[i-1] == b[i-1]) + 1);

        // xet TH thuc hien operation 1
        dp[i][1] = min(dp[i][1], dp[i-1][0] + (b[i] == 0 && b[i-1] == 0) + 1);
        dp[i][1] = min(dp[i][1], dp[i-1][1] + (b[i] == 0 && b[i-1] == 1));
        dp[i][1] = min(dp[i][1], dp[i-1][2] + (b[i] == 0 && a[i-1] == b[i-1]) + 1);

        // xet TH khong thuc hien j 
        dp[i][2] = min(dp[i][2], dp[i-1][0] + (a[i] != b[i] && b[i-1] == 0));
        dp[i][2] = min(dp[i][2], dp[i-1][1] + (a[i] != b[i] && b[i-1] == 1));
        dp[i][2] = min(dp[i][2], dp[i-1][2] + (a[i] != b[i] && a[i-1] == b[i-1]));
    }
    cout << min({dp[n][0], dp[n][1], dp[n][2]}) << "\n";
}   

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll tc = 1;
    //cin >> tc;
    while(tc--) to_thic_cau();
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 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 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 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 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 476 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 0 ms 348 KB Output is correct
28 Correct 0 ms 348 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 604 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 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 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 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 476 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 0 ms 348 KB Output is correct
28 Correct 0 ms 348 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 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 468 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 468 KB Output is correct
44 Correct 0 ms 348 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 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 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 1 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 468 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 32 ms 41528 KB Output is correct
8 Correct 35 ms 41304 KB Output is correct
9 Correct 34 ms 41304 KB Output is correct
10 Correct 33 ms 41304 KB Output is correct
11 Correct 32 ms 41412 KB Output is correct
12 Correct 33 ms 41296 KB Output is correct
13 Correct 37 ms 41296 KB Output is correct
14 Correct 33 ms 41300 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 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 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 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 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 476 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 0 ms 348 KB Output is correct
28 Correct 0 ms 348 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 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 468 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 468 KB Output is correct
44 Correct 0 ms 348 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 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 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 1 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 468 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 0 ms 348 KB Output is correct
65 Correct 32 ms 41528 KB Output is correct
66 Correct 35 ms 41304 KB Output is correct
67 Correct 34 ms 41304 KB Output is correct
68 Correct 33 ms 41304 KB Output is correct
69 Correct 32 ms 41412 KB Output is correct
70 Correct 33 ms 41296 KB Output is correct
71 Correct 37 ms 41296 KB Output is correct
72 Correct 33 ms 41300 KB Output is correct
73 Correct 39 ms 41296 KB Output is correct
74 Correct 33 ms 41388 KB Output is correct
75 Correct 34 ms 41444 KB Output is correct
76 Correct 31 ms 41528 KB Output is correct
77 Correct 31 ms 41300 KB Output is correct
78 Correct 30 ms 41424 KB Output is correct
79 Correct 30 ms 41296 KB Output is correct
80 Correct 31 ms 41308 KB Output is correct
81 Correct 31 ms 41516 KB Output is correct
82 Correct 33 ms 41300 KB Output is correct
83 Correct 33 ms 41296 KB Output is correct
84 Correct 36 ms 41412 KB Output is correct
85 Correct 31 ms 41304 KB Output is correct
86 Correct 35 ms 41308 KB Output is correct
87 Correct 32 ms 41464 KB Output is correct
88 Correct 31 ms 41300 KB Output is correct
89 Correct 32 ms 41300 KB Output is correct
90 Correct 33 ms 41420 KB Output is correct
91 Correct 43 ms 41296 KB Output is correct
92 Correct 36 ms 41560 KB Output is correct
93 Correct 37 ms 41308 KB Output is correct
94 Correct 36 ms 41320 KB Output is correct
95 Correct 43 ms 41460 KB Output is correct
96 Correct 38 ms 41300 KB Output is correct
97 Correct 35 ms 41416 KB Output is correct
98 Correct 40 ms 41532 KB Output is correct
99 Correct 41 ms 41300 KB Output is correct
100 Correct 40 ms 41300 KB Output is correct
101 Correct 36 ms 41300 KB Output is correct
102 Correct 40 ms 41304 KB Output is correct