Submission #685072

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
685072	2023-01-23T09:11:43 Z	Do_you_copy	Lamps (JOI19_lamps)	C++17	47 / 100	12 ms	8768 KB

lamp

//Then
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);

using namespace std;
using ll = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e5 + 1;
//const int Mod = 1e9 + 7;
//const int inf =
int n;
int dp[maxN][3];
string a, b;

char conv(char c, int i){
    if (i < 2) return i + '0';
    return c;
}

void Init(){
    cin >> n;
    string a, b;
    cin >> a >> b;
    a = " " + a;
    b = " " + b;
    memset(dp, 0x3f, sizeof(dp));
    dp[0][2] = 0;
    for (int i = 1; i <= n; ++i){
        for (int j = 0; j < 3; ++j){
            for (int k = 0; k < 3; ++k){
                int tem = dp[i - 1][j];
                if (j != k && k < 2) ++tem;
                if ((i == 1 || conv(a[i - 1], j) == b[i - 1]) && conv(a[i], k) != b[i]) ++tem;
                dp[i][k] = min(dp[i][k], tem);
            }
        }
    }
    cout << min({dp[n][0], dp[n][1], dp[n][2]});
}

#define debug
#define taskname "test"
signed main(){
    faster
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }
    int tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
    if (fopen("timeout.txt", "r")){
        ofstream timeout("timeout.txt");
        timeout << signed(double(clock()) / CLOCKS_PER_SEC * 1000);
        timeout.close();
        #ifndef debug
        cerr << "Time elapsed: " << signed(double(clock()) / CLOCKS_PER_SEC * 1000) << "ms\n";
        #endif // debug
    }
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:51:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lamp.cpp:52:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1492 KB	Output is correct
2	Correct	1 ms	1492 KB	Output is correct
3	Correct	1 ms	1492 KB	Output is correct
4	Correct	1 ms	1492 KB	Output is correct
5	Correct	1 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1492 KB	Output is correct
8	Correct	1 ms	1488 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1492 KB	Output is correct
11	Correct	1 ms	1492 KB	Output is correct
12	Correct	1 ms	1488 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	1 ms	1492 KB	Output is correct
15	Correct	1 ms	1484 KB	Output is correct
16	Correct	1 ms	1484 KB	Output is correct
17	Correct	2 ms	1492 KB	Output is correct
18	Correct	1 ms	1492 KB	Output is correct
19	Correct	1 ms	1492 KB	Output is correct
20	Correct	1 ms	1492 KB	Output is correct
21	Correct	1 ms	1492 KB	Output is correct
22	Correct	1 ms	1492 KB	Output is correct
23	Correct	1 ms	1492 KB	Output is correct
24	Correct	1 ms	1492 KB	Output is correct
25	Correct	1 ms	1492 KB	Output is correct
26	Correct	1 ms	1492 KB	Output is correct
27	Correct	1 ms	1492 KB	Output is correct
28	Correct	1 ms	1492 KB	Output is correct
29	Correct	1 ms	1492 KB	Output is correct
30	Correct	1 ms	1484 KB	Output is correct
31	Correct	1 ms	1492 KB	Output is correct
32	Correct	1 ms	1492 KB	Output is correct
33	Correct	1 ms	1492 KB	Output is correct
34	Correct	1 ms	1492 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1492 KB	Output is correct
2	Correct	1 ms	1492 KB	Output is correct
3	Correct	1 ms	1492 KB	Output is correct
4	Correct	1 ms	1492 KB	Output is correct
5	Correct	1 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1492 KB	Output is correct
8	Correct	1 ms	1488 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1492 KB	Output is correct
11	Correct	1 ms	1492 KB	Output is correct
12	Correct	1 ms	1488 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	1 ms	1492 KB	Output is correct
15	Correct	1 ms	1484 KB	Output is correct
16	Correct	1 ms	1484 KB	Output is correct
17	Correct	2 ms	1492 KB	Output is correct
18	Correct	1 ms	1492 KB	Output is correct
19	Correct	1 ms	1492 KB	Output is correct
20	Correct	1 ms	1492 KB	Output is correct
21	Correct	1 ms	1492 KB	Output is correct
22	Correct	1 ms	1492 KB	Output is correct
23	Correct	1 ms	1492 KB	Output is correct
24	Correct	1 ms	1492 KB	Output is correct
25	Correct	1 ms	1492 KB	Output is correct
26	Correct	1 ms	1492 KB	Output is correct
27	Correct	1 ms	1492 KB	Output is correct
28	Correct	1 ms	1492 KB	Output is correct
29	Correct	1 ms	1492 KB	Output is correct
30	Correct	1 ms	1484 KB	Output is correct
31	Correct	1 ms	1492 KB	Output is correct
32	Correct	1 ms	1492 KB	Output is correct
33	Correct	1 ms	1492 KB	Output is correct
34	Correct	1 ms	1492 KB	Output is correct
35	Correct	1 ms	1492 KB	Output is correct
36	Correct	1 ms	1492 KB	Output is correct
37	Correct	1 ms	1492 KB	Output is correct
38	Correct	1 ms	1488 KB	Output is correct
39	Correct	1 ms	1492 KB	Output is correct
40	Correct	1 ms	1488 KB	Output is correct
41	Correct	1 ms	1496 KB	Output is correct
42	Correct	1 ms	1488 KB	Output is correct
43	Correct	1 ms	1492 KB	Output is correct
44	Correct	1 ms	1492 KB	Output is correct
45	Correct	1 ms	1492 KB	Output is correct
46	Correct	1 ms	1492 KB	Output is correct
47	Correct	1 ms	1492 KB	Output is correct
48	Correct	1 ms	1488 KB	Output is correct
49	Correct	1 ms	1492 KB	Output is correct
50	Correct	1 ms	1492 KB	Output is correct
51	Correct	1 ms	1492 KB	Output is correct
52	Correct	1 ms	1492 KB	Output is correct
53	Correct	1 ms	1492 KB	Output is correct
54	Correct	1 ms	1492 KB	Output is correct
55	Correct	1 ms	1492 KB	Output is correct
56	Correct	1 ms	1492 KB	Output is correct
57	Correct	2 ms	1492 KB	Output is correct
58	Correct	1 ms	1488 KB	Output is correct

Subtask #3
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1492 KB	Output is correct
2	Correct	1 ms	1488 KB	Output is correct
3	Correct	1 ms	1492 KB	Output is correct
4	Correct	1 ms	1492 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Runtime error	12 ms	8768 KB	Execution killed with signal 11
8	Halted	0 ms	0 KB	-

Subtask #4
0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1492 KB	Output is correct
2	Correct	1 ms	1492 KB	Output is correct
3	Correct	1 ms	1492 KB	Output is correct
4	Correct	1 ms	1492 KB	Output is correct
5	Correct	1 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1492 KB	Output is correct
8	Correct	1 ms	1488 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1492 KB	Output is correct
11	Correct	1 ms	1492 KB	Output is correct
12	Correct	1 ms	1488 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	1 ms	1492 KB	Output is correct
15	Correct	1 ms	1484 KB	Output is correct
16	Correct	1 ms	1484 KB	Output is correct
17	Correct	2 ms	1492 KB	Output is correct
18	Correct	1 ms	1492 KB	Output is correct
19	Correct	1 ms	1492 KB	Output is correct
20	Correct	1 ms	1492 KB	Output is correct
21	Correct	1 ms	1492 KB	Output is correct
22	Correct	1 ms	1492 KB	Output is correct
23	Correct	1 ms	1492 KB	Output is correct
24	Correct	1 ms	1492 KB	Output is correct
25	Correct	1 ms	1492 KB	Output is correct
26	Correct	1 ms	1492 KB	Output is correct
27	Correct	1 ms	1492 KB	Output is correct
28	Correct	1 ms	1492 KB	Output is correct
29	Correct	1 ms	1492 KB	Output is correct
30	Correct	1 ms	1484 KB	Output is correct
31	Correct	1 ms	1492 KB	Output is correct
32	Correct	1 ms	1492 KB	Output is correct
33	Correct	1 ms	1492 KB	Output is correct
34	Correct	1 ms	1492 KB	Output is correct
35	Correct	1 ms	1492 KB	Output is correct
36	Correct	1 ms	1492 KB	Output is correct
37	Correct	1 ms	1492 KB	Output is correct
38	Correct	1 ms	1488 KB	Output is correct
39	Correct	1 ms	1492 KB	Output is correct
40	Correct	1 ms	1488 KB	Output is correct
41	Correct	1 ms	1496 KB	Output is correct
42	Correct	1 ms	1488 KB	Output is correct
43	Correct	1 ms	1492 KB	Output is correct
44	Correct	1 ms	1492 KB	Output is correct
45	Correct	1 ms	1492 KB	Output is correct
46	Correct	1 ms	1492 KB	Output is correct
47	Correct	1 ms	1492 KB	Output is correct
48	Correct	1 ms	1488 KB	Output is correct
49	Correct	1 ms	1492 KB	Output is correct
50	Correct	1 ms	1492 KB	Output is correct
51	Correct	1 ms	1492 KB	Output is correct
52	Correct	1 ms	1492 KB	Output is correct
53	Correct	1 ms	1492 KB	Output is correct
54	Correct	1 ms	1492 KB	Output is correct
55	Correct	1 ms	1492 KB	Output is correct
56	Correct	1 ms	1492 KB	Output is correct
57	Correct	2 ms	1492 KB	Output is correct
58	Correct	1 ms	1488 KB	Output is correct
59	Correct	1 ms	1492 KB	Output is correct
60	Correct	1 ms	1488 KB	Output is correct
61	Correct	1 ms	1492 KB	Output is correct
62	Correct	1 ms	1492 KB	Output is correct
63	Correct	1 ms	1484 KB	Output is correct
64	Correct	1 ms	1492 KB	Output is correct
65	Runtime error	12 ms	8768 KB	Execution killed with signal 11
66	Halted	0 ms	0 KB	-

Submission #685072

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 0 / 4.0

Subtask #4 0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
0 / 4.0

Subtask #4
0 / 49.0