oj.uz

Submission #792563

# Submission time Handle Problem Language Result Execution time Memory
792563 2023-07-25T06:57:33 Z 이동현(#10054) Line Town (CCO23_day1problem3) C++17
3 / 25
 2000 ms 8424 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define int long long
using namespace std;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;
    vector<int> a(n);
    vector<int> zp;
    for(int i = 0; i < n; ++i){
        cin >> a[i];
        if(!a[i]){
            zp.push_back(i);
        }
    }

    int ans = (int)1e18;
    for(int i = 0; i + (int)zp.size() <= n; ++i){
        int now = 0;
        for(int j = 0; j < (int)zp.size(); ++j){
            now += abs(i + j - zp[j]);
        }
        vector<deque<int>> vc(2);
        for(int j = 0; j < n; ++j){
            if(a[j]) vc[j % 2 ^ (a[j] == -1)].push_back(j);
        }

        for(int j = 0; j < n; ++j){
            if(j >= i && j < i + (int)zp.size()){
                continue;
            }

            int bt = ((j % 2) ^ (j < i));
            if(!(int)vc[bt].size()){
                now = (int)1e18;
                break;
            }
            now += abs(j - vc[bt].front());
            vc[bt].pop_front();
        }

        // cout << i << ' ' << now << endl;

        assert(now % 2 == 0);
        ans = min(ans, now / 2);
    }

    if(ans > (int)1e17){
        ans = -1;
    }

    cout << ans << '\n';
    
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 28 ms 340 KB Output is correct
5 Correct 28 ms 340 KB Output is correct
6 Correct 36 ms 340 KB Output is correct
7 Correct 37 ms 340 KB Output is correct
8 Correct 28 ms 340 KB Output is correct
9 Correct 30 ms 340 KB Output is correct
10 Correct 28 ms 340 KB Output is correct
11 Correct 28 ms 340 KB Output is correct
12 Correct 28 ms 348 KB Output is correct
13 Correct 29 ms 340 KB Output is correct

Subtask #2
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 28 ms 340 KB Output is correct
5 Correct 28 ms 340 KB Output is correct
6 Correct 36 ms 340 KB Output is correct
7 Correct 37 ms 340 KB Output is correct
8 Correct 28 ms 340 KB Output is correct
9 Correct 30 ms 340 KB Output is correct
10 Correct 28 ms 340 KB Output is correct
11 Correct 28 ms 340 KB Output is correct
12 Correct 28 ms 348 KB Output is correct
13 Correct 29 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Execution timed out 2047 ms 8424 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 28 ms 340 KB Output is correct
5 Correct 28 ms 340 KB Output is correct
6 Correct 36 ms 340 KB Output is correct
7 Correct 37 ms 340 KB Output is correct
8 Correct 28 ms 340 KB Output is correct
9 Correct 30 ms 340 KB Output is correct
10 Correct 28 ms 340 KB Output is correct
11 Correct 28 ms 340 KB Output is correct
12 Correct 28 ms 348 KB Output is correct
13 Correct 29 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Incorrect 0 ms 212 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 28 ms 340 KB Output is correct
5 Correct 28 ms 340 KB Output is correct
6 Correct 36 ms 340 KB Output is correct
7 Correct 37 ms 340 KB Output is correct
8 Correct 28 ms 340 KB Output is correct
9 Correct 30 ms 340 KB Output is correct
10 Correct 28 ms 340 KB Output is correct
11 Correct 28 ms 340 KB Output is correct
12 Correct 28 ms 348 KB Output is correct
13 Correct 29 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Execution timed out 2047 ms 8424 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 28 ms 340 KB Output is correct
5 Correct 28 ms 340 KB Output is correct
6 Correct 36 ms 340 KB Output is correct
7 Correct 37 ms 340 KB Output is correct
8 Correct 28 ms 340 KB Output is correct
9 Correct 30 ms 340 KB Output is correct
10 Correct 28 ms 340 KB Output is correct
11 Correct 28 ms 340 KB Output is correct
12 Correct 28 ms 348 KB Output is correct
13 Correct 29 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Incorrect 0 ms 212 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 28 ms 340 KB Output is correct
5 Correct 28 ms 340 KB Output is correct
6 Correct 36 ms 340 KB Output is correct
7 Correct 37 ms 340 KB Output is correct
8 Correct 28 ms 340 KB Output is correct
9 Correct 30 ms 340 KB Output is correct
10 Correct 28 ms 340 KB Output is correct
11 Correct 28 ms 340 KB Output is correct
12 Correct 28 ms 348 KB Output is correct
13 Correct 29 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Execution timed out 2047 ms 8424 KB Time limit exceeded
16 Halted 0 ms 0 KB -