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Submission #955810

# Submission time Handle Problem Language Result Execution time Memory
955810 2024-03-31T12:43:03 Z hqminhuwu Lamps (JOI19_lamps) C++14
100 / 100
 27 ms 59156 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <ll,ll> pll;
typedef pair <int,int> pii;
typedef pair <int,pii> piii;

#define forr(_a,_b,_c) for(int _a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a  -  - > (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define mask(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
#define file "test"

const int N = 2e6 + 5;
const ll oo = 1e9;
const ll mod = 1e9 + 7;

int n, dp[N][7];
string a, b;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    #ifdef hqm
        freopen(file".inp", "r", stdin); freopen(file".out", "w", stdout);
    #endif

    cin >> n >> a >> b;
    
    a = '0' + a;
    b = '0' + b;

    memset (dp, 63, sizeof dp);
    dp[0][0] = 0;

    // 0 1 2 12 3 13
    
    forr (i, 1, n){
        if (b[i] == '0') {
            dp[i][5] = dp[i - 1][5];
            dp[i][5] = min (dp[i][5], dp[i - 1][0] + 2);
            dp[i][5] = min (dp[i][5], dp[i - 1][1] + 1);
            dp[i][5] = min (dp[i][5], dp[i - 1][4] + 1);
            dp[i][2] = min (dp[i - 1][0] + 1, dp[i - 1][2]);
           
        } else {
            dp[i][3] = dp[i - 1][3];
            dp[i][3] = min (dp[i][3], dp[i - 1][0] + 2);
            dp[i][3] = min (dp[i][3], dp[i - 1][1] + 1);
            dp[i][3] = min (dp[i][3], dp[i - 1][2] + 1);
            dp[i][4] = min (dp[i - 1][0] + 1, dp[i - 1][4]);
        }
 
        if(a[i] != b[i]) {
            dp[i][1] = min (dp[i - 1][1], dp[i - 1][0] + 1);
        } else {
            dp[i][0] = dp[i - 1][0];
        }
        
        dp[i][4] = min (dp[i][4], dp[i][5]);
        dp[i][1] = min (dp[i][1], min (dp[i][3], dp[i][5]));
        dp[i][2] = min (dp[i][2], dp[i][3]);
        dp[i][0] = min (dp[i][0], min (dp[i][1], dp[i][2]));
        dp[i][0] = min (dp[i][0], min (dp[i][3], min(dp[i][4], dp[i][5])));
    }

    cout << dp[n][0];

    return 0;
}
/*



*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 55132 KB Output is correct
2 Correct 7 ms 55132 KB Output is correct
3 Correct 8 ms 55132 KB Output is correct
4 Correct 8 ms 55216 KB Output is correct
5 Correct 8 ms 55232 KB Output is correct
6 Correct 7 ms 55132 KB Output is correct
7 Correct 7 ms 55132 KB Output is correct
8 Correct 8 ms 55132 KB Output is correct
9 Correct 8 ms 55132 KB Output is correct
10 Correct 8 ms 55132 KB Output is correct
11 Correct 8 ms 55168 KB Output is correct
12 Correct 8 ms 55132 KB Output is correct
13 Correct 8 ms 55132 KB Output is correct
14 Correct 7 ms 55132 KB Output is correct
15 Correct 8 ms 55132 KB Output is correct
16 Correct 7 ms 55132 KB Output is correct
17 Correct 8 ms 55132 KB Output is correct
18 Correct 8 ms 55216 KB Output is correct
19 Correct 8 ms 55132 KB Output is correct
20 Correct 10 ms 55132 KB Output is correct
21 Correct 8 ms 55132 KB Output is correct
22 Correct 8 ms 55212 KB Output is correct
23 Correct 8 ms 55132 KB Output is correct
24 Correct 8 ms 55132 KB Output is correct
25 Correct 9 ms 55132 KB Output is correct
26 Correct 7 ms 55132 KB Output is correct
27 Correct 8 ms 55132 KB Output is correct
28 Correct 8 ms 55232 KB Output is correct
29 Correct 8 ms 55132 KB Output is correct
30 Correct 7 ms 55228 KB Output is correct
31 Correct 8 ms 55132 KB Output is correct
32 Correct 8 ms 55128 KB Output is correct
33 Correct 8 ms 55132 KB Output is correct
34 Correct 8 ms 55128 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 55132 KB Output is correct
2 Correct 7 ms 55132 KB Output is correct
3 Correct 8 ms 55132 KB Output is correct
4 Correct 8 ms 55216 KB Output is correct
5 Correct 8 ms 55232 KB Output is correct
6 Correct 7 ms 55132 KB Output is correct
7 Correct 7 ms 55132 KB Output is correct
8 Correct 8 ms 55132 KB Output is correct
9 Correct 8 ms 55132 KB Output is correct
10 Correct 8 ms 55132 KB Output is correct
11 Correct 8 ms 55168 KB Output is correct
12 Correct 8 ms 55132 KB Output is correct
13 Correct 8 ms 55132 KB Output is correct
14 Correct 7 ms 55132 KB Output is correct
15 Correct 8 ms 55132 KB Output is correct
16 Correct 7 ms 55132 KB Output is correct
17 Correct 8 ms 55132 KB Output is correct
18 Correct 8 ms 55216 KB Output is correct
19 Correct 8 ms 55132 KB Output is correct
20 Correct 10 ms 55132 KB Output is correct
21 Correct 8 ms 55132 KB Output is correct
22 Correct 8 ms 55212 KB Output is correct
23 Correct 8 ms 55132 KB Output is correct
24 Correct 8 ms 55132 KB Output is correct
25 Correct 9 ms 55132 KB Output is correct
26 Correct 7 ms 55132 KB Output is correct
27 Correct 8 ms 55132 KB Output is correct
28 Correct 8 ms 55232 KB Output is correct
29 Correct 8 ms 55132 KB Output is correct
30 Correct 7 ms 55228 KB Output is correct
31 Correct 8 ms 55132 KB Output is correct
32 Correct 8 ms 55128 KB Output is correct
33 Correct 8 ms 55132 KB Output is correct
34 Correct 8 ms 55128 KB Output is correct
35 Correct 8 ms 55132 KB Output is correct
36 Correct 8 ms 55128 KB Output is correct
37 Correct 8 ms 55132 KB Output is correct
38 Correct 7 ms 55132 KB Output is correct
39 Correct 8 ms 55132 KB Output is correct
40 Correct 8 ms 55132 KB Output is correct
41 Correct 8 ms 55128 KB Output is correct
42 Correct 8 ms 55132 KB Output is correct
43 Correct 9 ms 55132 KB Output is correct
44 Correct 8 ms 55128 KB Output is correct
45 Correct 7 ms 55132 KB Output is correct
46 Correct 8 ms 55328 KB Output is correct
47 Correct 8 ms 55132 KB Output is correct
48 Correct 8 ms 55132 KB Output is correct
49 Correct 8 ms 55132 KB Output is correct
50 Correct 7 ms 55248 KB Output is correct
51 Correct 8 ms 55128 KB Output is correct
52 Correct 8 ms 55132 KB Output is correct
53 Correct 8 ms 55180 KB Output is correct
54 Correct 8 ms 55132 KB Output is correct
55 Correct 8 ms 55128 KB Output is correct
56 Correct 8 ms 55132 KB Output is correct
57 Correct 8 ms 55132 KB Output is correct
58 Correct 7 ms 55132 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 55132 KB Output is correct
2 Correct 9 ms 55224 KB Output is correct
3 Correct 7 ms 55132 KB Output is correct
4 Correct 8 ms 55196 KB Output is correct
5 Correct 8 ms 55128 KB Output is correct
6 Correct 8 ms 55128 KB Output is correct
7 Correct 20 ms 57092 KB Output is correct
8 Correct 21 ms 59132 KB Output is correct
9 Correct 20 ms 59136 KB Output is correct
10 Correct 20 ms 59140 KB Output is correct
11 Correct 20 ms 59140 KB Output is correct
12 Correct 21 ms 59136 KB Output is correct
13 Correct 20 ms 59140 KB Output is correct
14 Correct 21 ms 59132 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 55132 KB Output is correct
2 Correct 7 ms 55132 KB Output is correct
3 Correct 8 ms 55132 KB Output is correct
4 Correct 8 ms 55216 KB Output is correct
5 Correct 8 ms 55232 KB Output is correct
6 Correct 7 ms 55132 KB Output is correct
7 Correct 7 ms 55132 KB Output is correct
8 Correct 8 ms 55132 KB Output is correct
9 Correct 8 ms 55132 KB Output is correct
10 Correct 8 ms 55132 KB Output is correct
11 Correct 8 ms 55168 KB Output is correct
12 Correct 8 ms 55132 KB Output is correct
13 Correct 8 ms 55132 KB Output is correct
14 Correct 7 ms 55132 KB Output is correct
15 Correct 8 ms 55132 KB Output is correct
16 Correct 7 ms 55132 KB Output is correct
17 Correct 8 ms 55132 KB Output is correct
18 Correct 8 ms 55216 KB Output is correct
19 Correct 8 ms 55132 KB Output is correct
20 Correct 10 ms 55132 KB Output is correct
21 Correct 8 ms 55132 KB Output is correct
22 Correct 8 ms 55212 KB Output is correct
23 Correct 8 ms 55132 KB Output is correct
24 Correct 8 ms 55132 KB Output is correct
25 Correct 9 ms 55132 KB Output is correct
26 Correct 7 ms 55132 KB Output is correct
27 Correct 8 ms 55132 KB Output is correct
28 Correct 8 ms 55232 KB Output is correct
29 Correct 8 ms 55132 KB Output is correct
30 Correct 7 ms 55228 KB Output is correct
31 Correct 8 ms 55132 KB Output is correct
32 Correct 8 ms 55128 KB Output is correct
33 Correct 8 ms 55132 KB Output is correct
34 Correct 8 ms 55128 KB Output is correct
35 Correct 8 ms 55132 KB Output is correct
36 Correct 8 ms 55128 KB Output is correct
37 Correct 8 ms 55132 KB Output is correct
38 Correct 7 ms 55132 KB Output is correct
39 Correct 8 ms 55132 KB Output is correct
40 Correct 8 ms 55132 KB Output is correct
41 Correct 8 ms 55128 KB Output is correct
42 Correct 8 ms 55132 KB Output is correct
43 Correct 9 ms 55132 KB Output is correct
44 Correct 8 ms 55128 KB Output is correct
45 Correct 7 ms 55132 KB Output is correct
46 Correct 8 ms 55328 KB Output is correct
47 Correct 8 ms 55132 KB Output is correct
48 Correct 8 ms 55132 KB Output is correct
49 Correct 8 ms 55132 KB Output is correct
50 Correct 7 ms 55248 KB Output is correct
51 Correct 8 ms 55128 KB Output is correct
52 Correct 8 ms 55132 KB Output is correct
53 Correct 8 ms 55180 KB Output is correct
54 Correct 8 ms 55132 KB Output is correct
55 Correct 8 ms 55128 KB Output is correct
56 Correct 8 ms 55132 KB Output is correct
57 Correct 8 ms 55132 KB Output is correct
58 Correct 7 ms 55132 KB Output is correct
59 Correct 8 ms 55132 KB Output is correct
60 Correct 9 ms 55224 KB Output is correct
61 Correct 7 ms 55132 KB Output is correct
62 Correct 8 ms 55196 KB Output is correct
63 Correct 8 ms 55128 KB Output is correct
64 Correct 8 ms 55128 KB Output is correct
65 Correct 20 ms 57092 KB Output is correct
66 Correct 21 ms 59132 KB Output is correct
67 Correct 20 ms 59136 KB Output is correct
68 Correct 20 ms 59140 KB Output is correct
69 Correct 20 ms 59140 KB Output is correct
70 Correct 21 ms 59136 KB Output is correct
71 Correct 20 ms 59140 KB Output is correct
72 Correct 21 ms 59132 KB Output is correct
73 Correct 20 ms 59136 KB Output is correct
74 Correct 21 ms 59140 KB Output is correct
75 Correct 20 ms 59128 KB Output is correct
76 Correct 20 ms 59136 KB Output is correct
77 Correct 20 ms 59140 KB Output is correct
78 Correct 20 ms 59132 KB Output is correct
79 Correct 21 ms 59136 KB Output is correct
80 Correct 21 ms 59140 KB Output is correct
81 Correct 21 ms 59156 KB Output is correct
82 Correct 21 ms 59136 KB Output is correct
83 Correct 22 ms 59140 KB Output is correct
84 Correct 23 ms 59136 KB Output is correct
85 Correct 22 ms 59016 KB Output is correct
86 Correct 22 ms 59140 KB Output is correct
87 Correct 22 ms 59136 KB Output is correct
88 Correct 22 ms 59132 KB Output is correct
89 Correct 22 ms 59136 KB Output is correct
90 Correct 22 ms 59124 KB Output is correct
91 Correct 26 ms 59104 KB Output is correct
92 Correct 24 ms 59128 KB Output is correct
93 Correct 27 ms 59132 KB Output is correct
94 Correct 24 ms 59132 KB Output is correct
95 Correct 26 ms 59128 KB Output is correct
96 Correct 24 ms 59140 KB Output is correct
97 Correct 24 ms 58940 KB Output is correct
98 Correct 27 ms 59140 KB Output is correct
99 Correct 24 ms 59140 KB Output is correct
100 Correct 24 ms 59148 KB Output is correct
101 Correct 24 ms 59144 KB Output is correct
102 Correct 27 ms 59148 KB Output is correct