oj.uz

답안 #685072

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
685072 2023-01-23T09:11:43 Z Do_you_copy Lamps (JOI19_lamps) C++17
47 / 100
 12 ms 8768 KB 
//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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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 -