답안 #557238

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
557238 2022-05-04T22:29:12 Z NintsiChkhaidze 사다리꼴 (balkan11_trapezoid) C++14
100 / 100
327 ms 44260 KB
#include <bits/stdc++.h>
#define pb push_back
#define s second
#define f first
#define ll long long
#define int ll
#define left (h<<1),l,((l+r)>>1)
#define right ((h<<1)|1),((l+r)>>1) + 1,r
using namespace std;
const int N = 400005,mod = 30013;
map <int,int> mp;
int a[N],b[N],c[N],d[N];
pair <int,int> t[4*N];
vector <int> v;
set <pair<pair<int,int>,pair<int,int> > > st;
vector <pair<pair<int,int>,int> > vec;

void upd(int h,int l,int r,int idx,int val1,int val2){
    if (l == r){
        if (val1 == t[h].f) t[h].s = (val2 + t[h].s)%mod;
        else if (val1 > t[h].f) t[h] = {val1,val2};
        return;
    }
    if(idx > (l+r)/2) upd(right,idx,val1,val2);
    else upd(left,idx,val1,val2);
    
    if (t[h*2].f > t[h*2 + 1].f) t[h] = t[h*2];
    else if (t[h*2].f < t[h*2 + 1].f) t[h] = t[h*2 + 1];
    else t[h] = {t[h*2].f,(t[h*2].s + t[h*2+1].s)%mod};
}
pair<int,int> get(int h,int l,int r,int L,int R){
    if (r < L || R < l) return {0,0};
    if (L <= l && r <= R) return t[h];
    pair <int,int> a = get(left,L,R),b = get(right,L,R);
    if (a.f > b.f) return a;
    if (b.f > a.f) return b;
    return {a.f,(a.s + b.s)%mod};
}
signed main() {
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
    int n;
    cin>>n;
    
    for (int i = 1; i <= n; i++){
        cin>>a[i]>>b[i]>>c[i]>>d[i];
        v.pb(a[i]);
        v.pb(b[i]);
        v.pb(c[i]);
        v.pb(d[i]);
        
    }
    sort(v.begin(),v.end());
    int k=0;
    for (int i=0;i<v.size();i++){
        if (!i || v[i] != v[i - 1]) k++;
        mp[v[i]] = k;
    }
    
    for (int i = 1; i <= n; i++){
        a[i] = mp[a[i]];
        b[i] = mp[b[i]];
        c[i] = mp[c[i]];
        d[i] = mp[d[i]];
        vec.pb({{a[i],b[i]},i});
    }
    
    sort(vec.begin(),vec.end());
    for (int i = 0; i < vec.size(); i++){
        int id = vec[i].s,x=vec[i].f.f,y=vec[i].f.s;
        while(st.size() && (st.begin()->f).f < x){
            upd(1,1,N-5,(st.begin()->f).s,(st.begin()->s).f,(st.begin()->s).s);
            st.erase(st.begin());
        }
        
        pair <int,int> pr = get(1,1,N-5,1,c[id]);
        int len = pr.f,cnt = pr.s;
        if (len == 0) cnt=1;
        st.insert({{b[id],d[id]},{len+1,cnt}});
    }
    
    while(st.size()){
        upd(1,1,N-5,(st.begin()->f).s,(st.begin()->s).f,(st.begin()->s).s);
        st.erase(st.begin());
    }
    cout<<t[1].f<<" "<<t[1].s;
}

Compilation message

trapezoid.cpp: In function 'int main()':
trapezoid.cpp:54:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for (int i=0;i<v.size();i++){
      |                  ~^~~~~~~~~
trapezoid.cpp:68:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<std::pair<long long int, long long int>, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for (int i = 0; i < vec.size(); i++){
      |                     ~~^~~~~~~~~~~~
trapezoid.cpp:69:40: warning: unused variable 'y' [-Wunused-variable]
   69 |         int id = vec[i].s,x=vec[i].f.f,y=vec[i].f.s;
      |                                        ^
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 2 ms 724 KB Output is correct
5 Correct 5 ms 1236 KB Output is correct
6 Correct 6 ms 1876 KB Output is correct
7 Correct 8 ms 1628 KB Output is correct
8 Correct 15 ms 2272 KB Output is correct
9 Correct 26 ms 4756 KB Output is correct
10 Correct 46 ms 6980 KB Output is correct
11 Correct 69 ms 11888 KB Output is correct
12 Correct 149 ms 23724 KB Output is correct
13 Correct 202 ms 29120 KB Output is correct
14 Correct 217 ms 36488 KB Output is correct
15 Correct 246 ms 32500 KB Output is correct
16 Correct 267 ms 35840 KB Output is correct
17 Correct 268 ms 42032 KB Output is correct
18 Correct 240 ms 29592 KB Output is correct
19 Correct 277 ms 41892 KB Output is correct
20 Correct 327 ms 44260 KB Output is correct