Submission #712020

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
712020	2023-03-18 00:41:24	pcc	Checker (COCI19_checker)	C++14	110 / 110	390 ms	55344 KiB

checker

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#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define fs first
#define sc second
struct node{
    set<pii> st;
    int pre,nxt;
    bool del;
    node(){
        pre = nxt = 0;
        del = false;
    }
    void add(int to,int c){
        st.insert({to,c});
    }
    int get(int k){
        auto it = st.upper_bound(make_pair(k,-1));
        if(it == st.end()||it->fs != k)return 0;
        return it->sc;
    }
};
const int mxn = 2e5+10;
node v[mxn];
void remov(int k){
    v[v[k].pre].nxt = v[k].nxt;
    v[v[k].nxt].pre = v[k].pre;
    v[k].del = true;
    return;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 23 / 23
• Subtask 4: 23 / 23
• Subtask 5: 35 / 35