답안 #1007643

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1007643 2024-06-25T09:40:28 Z doducanh 사다리꼴 (balkan11_trapezoid) C++14
45 / 100
500 ms 9908 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+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;
    }
};
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(begin(top),end(top));
    sort(begin(bot),end(bot));
    bot.erase(unique(begin(bot),end(bot)),end(bot));
    BIT t(2*bot.size()+7);
    for(auto[x,i]:top){
        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()
      | ^~~~
trapezoid.cpp: In function 'int main()':
trapezoid.cpp:61:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   61 |     for(auto[x,i]:top){
      |             ^
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 10 ms 688 KB Output is correct
6 Correct 14 ms 856 KB Output is correct
7 Correct 23 ms 888 KB Output is correct
8 Correct 34 ms 856 KB Output is correct
9 Correct 125 ms 1492 KB Output is correct
10 Execution timed out 605 ms 2508 KB Time limit exceeded
11 Execution timed out 840 ms 3020 KB Time limit exceeded
12 Execution timed out 1060 ms 5320 KB Time limit exceeded
13 Execution timed out 1038 ms 6160 KB Time limit exceeded
14 Execution timed out 1038 ms 7172 KB Time limit exceeded
15 Execution timed out 1042 ms 7608 KB Time limit exceeded
16 Execution timed out 1046 ms 8112 KB Time limit exceeded
17 Execution timed out 1014 ms 8632 KB Time limit exceeded
18 Execution timed out 1046 ms 9136 KB Time limit exceeded
19 Execution timed out 1074 ms 9500 KB Time limit exceeded
20 Execution timed out 1045 ms 9908 KB Time limit exceeded