oj.uz

Submission #441498

# Submission time Handle Problem Language Result Execution time Memory
441498 2021-07-05T09:30:21 Z elazarkoren Exam (eJOI20_exam) C++17
0 / 100
 29 ms 332 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <stack>
#define x first
#define y second
//#define int long long
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef vector<pii> vii;

const int MAX_N = 1e5 + 1;

int a[MAX_N], b[MAX_N];

int main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < n; i++) cin >> b[i];
    int ans = a[0] == b[0];
    for (int i = 1; i < n; i++) {
        int count = a[i] == b[i];
        int best_count = a[i] == b[i], ind = i;
        for (int j = i - 1; j >= 0; j--) {
            if (a[j] == b[j]) count--;
            if (a[i] == b[j]) count++;
            if (count > best_count) {
                best_count = count;
                ind = j;
            }
        }
        for (int j = i - 1; j >= ind; j--) a[j] = a[i];
        ans += best_count;
    }
    cout << ans;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Incorrect 0 ms 204 KB Output isn't correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Incorrect 0 ms 204 KB Output isn't correct

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Incorrect 0 ms 204 KB Output isn't correct