oj.uz

Submission #798239

# Submission time Handle Problem Language Result Execution time Memory
798239 2023-07-30T14:01:34 Z vjudge1 Road Construction (JOI21_road_construction) C++17
100 / 100
 1677 ms 13456 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;


int n, k;
vector<pair<ll, ll>> v;

vector<ll> ans;

bool check(ll mid) {

    ans.clear();
    set<pair<ll, ll>> st;
    st.insert({v[0].second, 0});
    int l = 0;
    for(int i = 1; i < n; i++) {
        while(v[i].first - v[l].first > mid) {
            st.erase({v[l].second, l});
            l++;
        }
        auto it = st.lower_bound({v[i].second - mid, -1});
        while(it != st.end() && abs(v[i].second - it->first) <= mid) {
            ans.push_back({max(abs(v[i].first - v[it->second].first), abs(v[i].second - v[it->second].second))});
            it++;
        }
        if((int)ans.size() > k) return 0;
        st.insert({v[i].second, i});
    }
    return 1;
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n >> k;
    v.resize(n);
    for(int i = 0; i < n; i++) {
        ll x, y;
        cin >> x >> y;
        v[i] = {x + y, x - y};
    }
    sort(v.begin(), v.end());
    ll l = 0, r = (ll)1e10;
    while(r - l > 1) {
        ll mid = (l + r) / 2;
        if(check(mid)) l = mid;
        else r = mid;
    }
    check(l);
    // cout << l << ' ' << r << '\n';
    sort(ans.begin(), ans.end());
    while((int)ans.size() < k) ans.push_back(r);
    for(ll c : ans) 
        cout << c << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 4996 KB Output is correct
2 Correct 102 ms 4988 KB Output is correct
3 Correct 96 ms 5068 KB Output is correct
4 Correct 96 ms 5128 KB Output is correct
5 Correct 89 ms 3868 KB Output is correct
6 Correct 3 ms 340 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 315 ms 7488 KB Output is correct
2 Correct 311 ms 7488 KB Output is correct
3 Correct 76 ms 4944 KB Output is correct
4 Correct 253 ms 7232 KB Output is correct
5 Correct 264 ms 7476 KB Output is correct
6 Correct 251 ms 7480 KB Output is correct
7 Correct 239 ms 6824 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 260 ms 4180 KB Output is correct
2 Correct 252 ms 4180 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 103 ms 7040 KB Output is correct
5 Correct 315 ms 9468 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 260 ms 4180 KB Output is correct
2 Correct 252 ms 4180 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 103 ms 7040 KB Output is correct
5 Correct 315 ms 9468 KB Output is correct
6 Correct 402 ms 9292 KB Output is correct
7 Correct 340 ms 9212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 304 ms 9220 KB Output is correct
11 Correct 100 ms 7040 KB Output is correct
12 Correct 373 ms 9472 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 4996 KB Output is correct
2 Correct 102 ms 4988 KB Output is correct
3 Correct 96 ms 5068 KB Output is correct
4 Correct 96 ms 5128 KB Output is correct
5 Correct 89 ms 3868 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 727 ms 7940 KB Output is correct
8 Correct 755 ms 7944 KB Output is correct
9 Correct 90 ms 5004 KB Output is correct
10 Correct 390 ms 7252 KB Output is correct
11 Correct 238 ms 7120 KB Output is correct
12 Correct 304 ms 7932 KB Output is correct
13 Correct 344 ms 6600 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 4996 KB Output is correct
2 Correct 102 ms 4988 KB Output is correct
3 Correct 96 ms 5068 KB Output is correct
4 Correct 96 ms 5128 KB Output is correct
5 Correct 89 ms 3868 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 315 ms 7488 KB Output is correct
8 Correct 311 ms 7488 KB Output is correct
9 Correct 76 ms 4944 KB Output is correct
10 Correct 253 ms 7232 KB Output is correct
11 Correct 264 ms 7476 KB Output is correct
12 Correct 251 ms 7480 KB Output is correct
13 Correct 239 ms 6824 KB Output is correct
14 Correct 260 ms 4180 KB Output is correct
15 Correct 252 ms 4180 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 103 ms 7040 KB Output is correct
18 Correct 315 ms 9468 KB Output is correct
19 Correct 402 ms 9292 KB Output is correct
20 Correct 340 ms 9212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 304 ms 9220 KB Output is correct
24 Correct 100 ms 7040 KB Output is correct
25 Correct 373 ms 9472 KB Output is correct
26 Correct 727 ms 7940 KB Output is correct
27 Correct 755 ms 7944 KB Output is correct
28 Correct 90 ms 5004 KB Output is correct
29 Correct 390 ms 7252 KB Output is correct
30 Correct 238 ms 7120 KB Output is correct
31 Correct 304 ms 7932 KB Output is correct
32 Correct 344 ms 6600 KB Output is correct
33 Correct 1677 ms 13328 KB Output is correct
34 Correct 1602 ms 13340 KB Output is correct
35 Correct 992 ms 12560 KB Output is correct
36 Correct 535 ms 13456 KB Output is correct
37 Correct 537 ms 13412 KB Output is correct
38 Correct 686 ms 12108 KB Output is correct