Submission #1063247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063247		Unforgettablepl	Arranging Tickets (JOI17_arranging_tickets)	C++17	10 / 100	218 ms	432 KiB

arranging_tickets

#include <bits/stdc++.h>
using namespace std;

#define int long long


int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int N,M;
    cin >> N >> M;
    vector<pair<int,int>> requests(M);
    for(auto&[a,b]:requests) {
        int c;cin>>a>>b>>c;
        if(b<a)swap(a,b);
    }
    auto check = [&](int mask) {
        vector<int> curr(N+1);
        for(int i=0;i<M;i++) {
            if(mask&(1<<i)) {
                for(int x=requests[i].first;x<requests[i].second;x++)curr[x]++;
            } else {
                for(int x=1;x<requests[i].first;x++)curr[x]++;
                for(int x=requests[i].second;x<=N;x++)curr[x]++;
            }
        }
        return *max_element(curr.begin(), curr.end());
    };
    long long ans = M;
    for(int mask=0;mask<(1<<M);mask++)ans=min(ans,check(mask));
    cout << ans << '\n';
}

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