Submission #741145

#	Time	Username	Problem	Language	Result	Execution time	Memory
741145		speedyArda	New Home (APIO18_new_home)	C++14	0 / 100	375 ms	70060 KiB

new_home

#include "bits/stdc++.h"

using namespace std;
const int MAXN = 1e5+5;
int type[MAXN];
vector< pair< pair<int, int>, pair<int, int> > > stores;
vector< pair<int, pair<int, int> > > queries;
vector<int> ans(MAXN);
int main() 
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, k, q;
    cin >> n >> k >> q;
    for(int i = 0; i < n; i++)
    {
        int x, t, a, b;
        cin >> x >> t >> a >> b;
        stores.push_back({{a, 0}, {x, t}});
        stores.push_back({{b + 1, 1}, {x, t}});
    }
    for(int i = 0; i < q; i++)
    {
        int l, y;
        cin >> l >> y;
        queries.push_back({y, {i, l}});
    }
    sort(queries.begin(), queries.end());
    sort(stores.begin(), stores.end());

    int curr = 0, use = 0;
    multiset<int> elems;
    for(int i = 0; i < q; i++)
    {
        while(curr < stores.size() && stores[curr].first.first <= queries[i].first)
        {
            if(stores[curr].first.second == 0)
            {
                type[stores[curr].second.second]++;
                if(type[stores[curr].second.second] == 1)
                    use++;
                elems.insert(stores[curr].second.first);
            } else 
            {
                type[stores[curr].second.second]--;
                if(type[stores[curr].second.second] == 0)
                    use--;
                elems.erase(elems.find(stores[curr].second.first));
            }
            curr++;
        }

        if(use != k)
        {
            ans[queries[i].second.first] = -1;
        } else 
        {
            auto it = elems.end();
            it--;
            int left = abs(queries[i].second.second - (*elems.begin())), right = abs(queries[i].second.second - (*it));
            ans[queries[i].second.first] = max(left, right);
        }
    }


    for(int i = 0; i < q; i++)
        cout << ans[i] << "\n";
    
}

Compilation message (stderr)

new_home.cpp: In function 'int main()':
new_home.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         while(curr < stores.size() && stores[curr].first.first <= queries[i].first)
      |               ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 10
• Subtask 4: 0 / 23
• Subtask 5: 0 / 35
• Subtask 6: 0 / 20