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Submission #133304

# Submission time Handle Problem Language Result Execution time Memory
133304 2019-07-20T11:40:44 Z osaaateiasavtnl Coin Collecting (JOI19_ho_t4) C++14
0 / 100
 1000 ms 376 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e18 + 7;
signed main() {
    int n;
    cin >> n;
    vector <pair <int, int> > a, b;
    for (int i = 0; i < 2 * n; ++i) {
        int x, y;
        cin >> x >> y;
        a.push_back({x, y});
    }   
    for (int i = 1; i <= n; ++i) {
        b.push_back({i, 1});
        b.push_back({i, 2});
    }   
    int ans = INF;
    sort(a.begin(), a.end());
    do {
        int nn = 0;
        for (int i = 0; i < 2 * n; ++i) {
            nn += abs(a[i].first - b[i].first) + abs(a[i].second - b[i].second);
        }   
        ans = min(ans, nn);
    } while (next_permutation(a.begin(), a.end()));
    cout << ans << '\n';
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Execution timed out 1080 ms 256 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #2
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Execution timed out 1080 ms 256 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Execution timed out 1080 ms 256 KB Time limit exceeded
5 Halted 0 ms 0 KB -