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Submission #1007658

# Submission time Handle Problem Language Result Execution time Memory
1007658 2024-06-25T09:52:46 Z doducanh trapezoid (balkan11_trapezoid) C++14
45 / 100
 500 ms 9140 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
{
private:
    int n;
    vector<pair<int,int>>t;
public:
    BIT(){}
    BIT(int n):n(n),t(n,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;
    }
};
vector<int>a,b,c,d;
int n;
pair<int,int>ans[maxn];
main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n;
    a.resize(n+1);b.resize(n+1);
    c.resize(n+1);d.resize(n+1);
    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(3*n);
    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:42:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   42 | main()
      | ^~~~

Subtask #1
45.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 10 ms 668 KB Output is correct
6 Correct 20 ms 764 KB Output is correct
7 Correct 34 ms 856 KB Output is correct
8 Correct 56 ms 860 KB Output is correct
9 Correct 207 ms 1332 KB Output is correct
10 Execution timed out 774 ms 2256 KB Time limit exceeded
11 Execution timed out 1040 ms 2764 KB Time limit exceeded
12 Execution timed out 1049 ms 4740 KB Time limit exceeded
13 Execution timed out 1076 ms 5832 KB Time limit exceeded
14 Execution timed out 1048 ms 6584 KB Time limit exceeded
15 Execution timed out 1051 ms 7096 KB Time limit exceeded
16 Execution timed out 1072 ms 7632 KB Time limit exceeded
17 Execution timed out 1075 ms 7864 KB Time limit exceeded
18 Execution timed out 1077 ms 8252 KB Time limit exceeded
19 Execution timed out 1038 ms 8672 KB Time limit exceeded
20 Execution timed out 1049 ms 9140 KB Time limit exceeded