Submission #217708

#	Time	Username	Problem	Language	Result	Execution time	Memory
217708		Vimmer	New Home (APIO18_new_home)	C++17	0 / 100	5048 ms	22088 KiB

new_home

#include <bits/stdc++.h>

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 100005
#define M ll(998244353)

using namespace std;

typedef long double ld;
typedef long long ll;
typedef short int si;


vector <pair <pair <int, int>, int> > sost;

multiset <int> se[410];

int main()
{
    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n, k, q;

    cin >> n >> k >> q;

    for (int i = 0; i < n; i++)
    {
        int x, t, l, r;

        cin >> x >> t >> l >> r;

        sost.pb({{l, x}, t});

        sost.pb({{r, x}, -t});
    }

    vector <pair <pair <int, int>, int>  > gr; gr.resize(q);

    for (int i = 0; i < q; i++) {cin >> gr[i].F.S >> gr[i].F.F; gr[i].S = i;}

    sort(sost.begin(), sost.end());

    sort(gr.begin(), gr.end());

    int ans[q];

    int j = -1;

    for (auto it : gr)
    {
        int nm = it.S, x = it.F.S, tr = it.F.F;

        while (j + 1 < sz(sost) && sost[j + 1].F.F <= tr)
        {
            j++;

            if (sost[j].S > 0) se[sost[j].S].insert(sost[j].F.S);
               else se[abs(sost[j].S)].erase(se[abs(sost[j].S)].find(sost[j].F.S));
        }

        bool f = 1;

        int mx = 0;

//        for (int i = 1; i <= k; i++)
//        {
//            if (sz(se[i]) == 0) {f = 0; break;}
//
//            auto it = se[i].upper_bound(x);
//
//            int mn = 1e9;
//
//            if (it != se[i].end()) mn = min(mn, abs(*it - x));
//
//            if (it != se[i].begin()) {it--; mn = min(mn, abs(*it - x)); }
//
//            mx = max(mx, mn);
//        }
//
//        if (!f) ans[nm] = -1; else ans[nm] = mx;
    }

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

Compilation message (stderr)

new_home.cpp: In function 'int main()':
new_home.cpp:54:13: warning: unused variable 'nm' [-Wunused-variable]
         int nm = it.S, x = it.F.S, tr = it.F.F;
             ^~
new_home.cpp:54:24: warning: unused variable 'x' [-Wunused-variable]
         int nm = it.S, x = it.F.S, tr = it.F.F;
                        ^
new_home.cpp:64:14: warning: unused variable 'f' [-Wunused-variable]
         bool f = 1;
              ^
new_home.cpp:66:13: warning: unused variable 'mx' [-Wunused-variable]
         int mx = 0;
             ^~

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