Submission #691209

#	Time	Username	Problem	Language	Result	Execution time	Memory
691209		tengiz05	Arranging Tickets (JOI17_arranging_tickets)	C++17	10 / 100	191 ms	300 KiB

arranging_tickets

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n, m;
    cin >> n >> m;
    vector<int> a(m), b(m), c(m);
    for (int i = 0; i < m; i++) {
        cin >> a[i] >> b[i] >> c[i];
        if (a[i] > b[i]) {
            swap(a[i], b[i]);
        }
    }
    
    int ans = 1E9;
    
    for (int mask = 0; mask < (1 << m); mask++) {
        vector<int> h(n + 1);
        for (int i = 0; i < m; i++) {
            if (mask >> i & 1) {
                h[0]++;
                h[a[i]]--;
                h[b[i]]++;
            } else {
                h[a[i]]++;
                h[b[i]]--;
            }
        }
        for (int i = 1; i <= n; i++) {
            h[i] += h[i - 1];
        }
        ans = min(ans, *max_element(h.begin(), h.end()));
    }
    
    cout << ans << "\n";
    
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 35
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 15