Submission #797147

#TimeUsernameProblemLanguageResultExecution timeMemory
797147vjudge1Road Construction (JOI21_road_construction)C++14
12 / 100
94 ms13132 KiB
#include<bits/stdc++.h> #define ll long long #define fi first #define se second using namespace std ; const ll N = (1 << 30) ; bool flag1 ; signed main() { ios_base::sync_with_stdio( 0 ) ; cin.tie( 0 ) ; cout.tie( 0 ) ; ll n, k ; cin >> n >> k ; pair<ll, ll> p[n + 1], py[n + 1] ; vector<ll> v ; for(ll i = 1 ; i <= n ; i++) { cin >> p[i].fi >> p[i].se ; py[i] = {p[i].se, p[i].fi} ; if(p[i].se)flag1 = 1 ; } if(n <= 1000) { for(ll i = 1 ; i <= n ; i++) for(ll j = i + 1 ; j <= n ; j++) v.push_back(abs(p[i].fi - p[j].fi) + abs(p[i].se - p[j].se)) ; sort(v.begin(), v.end()) ; for(ll i = 0 ; i < k ; i++) cout << v[i] << '\n' ; return 0 ; } if(k == 1) { ll ans = 1e18 ; sort(p + 1, p + n + 1) ; sort(py + 1, py + n + 1) ; for(int i = 2 ; i <= n ; i++) { ans = min(ans, abs(p[i].fi - p[i - 1].fi) + abs(p[i].se - p[i - 1].se)) ; ans = min(ans, abs(py[i].fi - py[i - 1].fi) + abs(py[i].se - py[i - 1].se)) ; } cout << ans << '\n' ; return 0 ; } return 0 ; }
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