Submission #568861

#	Time	Username	Problem	Language	Result	Execution time	Memory
568861		errorgorn	Reconstruction Project (JOI22_reconstruction)	C++17	7 / 100	2637 ms	18776 KiB

reconstruction

#include <bits/stdc++.h>
using namespace std;

#define ii pair<int,int>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (int x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e))?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n,m,q;
vector<int> w[100005];
int idx[100005];

signed main(){
	cin.tie(0);
	cout.tie(0);
	cin.sync_with_stdio(false);
	
	cin>>n>>m;
	
	int a,b,c;
	rep(x,0,m){
		cin>>a>>b>>c;
		w[a].pub(c);
	}
	
	rep(x,1,n) sort(all(w[x]));
	
	cin>>q;
	while (q--){
		int val;
		cin>>val;
		
		long long ans=0;
		rep(x,1,n){
			while (idx[x]+1<sz(w[x]) && abs(w[x][idx[x]+1]-val)<abs(w[x][idx[x]]-val)){
				idx[x]++;
			}
			ans+=abs(w[x][idx[x]]-val);
		}
		
		cout<<ans<<endl;
	}
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 4
• Subtask 3: 7 / 7
• Subtask 4: 0 / 28
• Subtask 5: 0 / 35
• Subtask 6: 0 / 23