Submission #739031

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
739031	2023-05-09 19:04:52	PoonYaPat	Passport (JOI23_passport)	C++14	100 / 100	837 ms	96648 KiB

passport

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
int n,pos[200001],dis[3][1<<20];
bool vis[3][1<<20],leaf[1<<20];
vector<pii> adj[1<<20];
void build(int idx, int l, int r) {
    if (l==r) {
        pos[l]=idx;
        leaf[idx]=true;
    } else {
        adj[2*idx].push_back(pii(idx,0));
        adj[2*idx+1].push_back(pii(idx,0));
        int mid=(l+r)/2;
        build(2*idx,l,mid);
        build(2*idx+1,mid+1,r);
    }
}
void add(int l, int r, int idx, int x, int y, int i) {
    if (x>r || y<l) return;
    if (x<=l && r<=y) {
        adj[idx].push_back({pos[i],1});
    } else {
        int mid=(l+r)/2;
        add(l,mid,2*idx,x,y,i);
        add(mid+1,r,2*idx+1,x,y,i);
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 8 / 8
• Subtask 5: 46 / 46