Submission #910834

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
910834	2024-01-18 08:23:49	Tuanlinh123	Road Construction (JOI21_road_construction)	C++17	100 / 100	1578 ms	13672 KiB

road_construction

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#include<bits/stdc++.h>
#define ll long long
#define pll pair<ll, ll>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define ld long double
using namespace std;
pll p[250005];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll n, k; cin >> n >> k;
    for (ll i=1; i<=n; i++)
    {
        ll x, y; cin >> x >> y;
        p[i]={x+y, x-y};
    }
    sort(p+1, p+n+1);
    vector <ll> ans;
    auto calc=[&](ll mid, bool trace)
    {
        set <pll> s;
        for (ll i=1, ptr=1, cnt=0; i<=n; i++)
        {
            while (ptr<i && p[ptr].fi<p[i].fi-mid)
 
 
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Compilation message (stderr)

road_construction.cpp: In function 'int main()':
road_construction.cpp:53:22: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   53 |     while (ans.size()<k) ans.pb(lo+1);
      |            ~~~~~~~~~~^~

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 20 / 20
• Subtask 5: 27 / 27
• Subtask 6: 35 / 35