Submission #938159

#	Time	Username	Problem	Language	Result	Execution time	Memory
938159		LittleOrange	Coin Collecting (JOI19_ho_t4)	C++17	0 / 100	0 ms	348 KiB

joi2019_ho_t4

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
struct pos{
    ll x,y;
    bool operator<(const pos &o) const{
        return x!=o.x?x<o.x:y>o.y;
    }
};
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    ll n;
    cin >> n;
    vector<pos> a(n*2);
    for(pos &o : a) cin >> o.x >> o.y;
    sort(a.begin(),a.end());
    ll ans = 0;
    for(ll i = 0;i<n;i++){
        pos u = a[i<<1],v = a[i<<1|1];
        ans += abs((i+1)-u.x)+abs((i+1)-v.x);
        ans += abs(max(u.y,v.y)-2)+abs(min(u.y,v.y)-1);
    }
    cout << ans << "\n";
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 63