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Submission #1007667

# Submission time Handle Problem Language Result Execution time Memory
1007667 2024-06-25T09:58:27 Z doducanh trapezoid (balkan11_trapezoid) C++14
45 / 100
 500 ms 8884 KB 
#include <bits/stdc++.h>

using namespace std;
#define fi first
#define se second
const int maxn=1e5+7;
const int mod=30013;
const int maxx=1e9+7;
void cmax(pair<int,int>&a,pair<int,int>b)
{
    if(a.fi<b.fi)a=b;
    else{
        if(a.fi==b.fi&&a.fi!=0)a.se=(a.se+b.se)%mod;
    }
}
int id(int x,vector<pair<int,int>>tmp)
{
    return lower_bound(tmp.begin(),tmp.end(),make_pair(x,-maxx))-tmp.begin()+1;
}
struct BIT
{
    int n;
    vector<pair<int,int>>t;
    BIT(){}
    BIT(int n):n(n),t(n+7,make_pair(0,1)){}
    void up(int x,pair<int,int> val){
        for(;x<=n;x+=(x&(-x)))cmax(t[x],val);
    }
    pair<int,int>get(int x)
    {
        if(x<=0)return {0,1};
        pair<int,int>res={0,1};
        for(;x;x-=(x&(-x)))cmax(res,t[x]);
        return res;
    }
};
int a[maxn],b[maxn],c[maxn],d[maxn];
int n;
pair<int,int>ans[maxn];
main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n;
    vector<pair<int,int>>top;
    vector<pair<int,int>>bot;
    for(int i=1;i<=n;i++){
        cin>>a[i]>>b[i]>>c[i]>>d[i];
        top.push_back({a[i],i});
        top.push_back({b[i],i});
        bot.push_back({c[i],i});
        bot.push_back({d[i],i});
    }
    sort(top.begin(),top.end());
    sort(bot.begin(),bot.end());
    BIT t(bot.size());
    for(pair<int,int>p:top){
        int x=p.fi;
        int i=p.se;
        if(x==a[i]){
            pair<int,int>tmp=t.get(id(c[i],bot)-1);
            ans[i]={tmp.fi+1,tmp.se};
        }
        else if(x==b[i]){
            t.up(id(d[i],bot),ans[i]);
        }
    }
    pair<int,int>res={0,0};
    for(int i=1;i<=n;i++){
        cmax(res,ans[i]);
    }
    cout<<res.fi<<" "<<res.se;
    return 0;
}

Compilation message

trapezoid.cpp:40:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   40 | main()
      | ^~~~

Subtask #1
45.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2672 KB Output is correct
6 Correct 15 ms 2648 KB Output is correct
7 Correct 22 ms 2652 KB Output is correct
8 Correct 37 ms 2908 KB Output is correct
9 Correct 142 ms 3128 KB Output is correct
10 Execution timed out 530 ms 3792 KB Time limit exceeded
11 Execution timed out 789 ms 4300 KB Time limit exceeded
12 Execution timed out 1044 ms 5912 KB Time limit exceeded
13 Execution timed out 1028 ms 6332 KB Time limit exceeded
14 Execution timed out 1048 ms 7100 KB Time limit exceeded
15 Execution timed out 1028 ms 7448 KB Time limit exceeded
16 Execution timed out 1054 ms 7792 KB Time limit exceeded
17 Execution timed out 1072 ms 8120 KB Time limit exceeded
18 Execution timed out 1035 ms 8364 KB Time limit exceeded
19 Execution timed out 1026 ms 8624 KB Time limit exceeded
20 Execution timed out 1057 ms 8884 KB Time limit exceeded