oj.uz

Submission #348253

# Submission time Handle Problem Language Result Execution time Memory
348253 2021-01-14T12:01:31 Z nickmet2004 Treatment Project (JOI20_treatment) C++11
4 / 100
 210 ms 13856 KB 
#include<bits/stdc++.h>
#define int long long
#define f first
#define s second
using namespace std;
const int N = 1e5 + 5 , inf = 1e18;
int n , m , T[N] , L[N], R[N] , C[N];
int a[N] , pos[N] , D[N];
vector<pair<int, int> > v;
struct Node{
    int val , v;
    Node(){}
    Node(int val , int v) : val(val) ,v(v){}
    Node operator+(const Node &A){
        if(val <= A.val) return (*this);
        else return A;
    }
}E[1<<20];
void upd(Node A , int id , int l = 0 , int r = n - 1 , int pos = 0){
    if(id < l || id > r) return;
    if(l == r){
        E[pos] = A; return;
    }
    int mid = (l + r) >> 1;
    upd(A , id , l , mid , pos * 2 + 1); upd(A ,id , mid + 1 , r ,pos * 2 + 2);
    E[pos] = E[pos * 2 + 1] + E[pos * 2 + 2];
}
Node get(int L , int R ,int l =0 , int r = n - 1,  int pos = 0){
    if(r < L || R < l) return Node(inf ,-1);
    if(L <= l && r <= R) return E[pos];
    int mid = (l + r) >> 1;
    return get(L , R , l , mid , pos * 2 + 1) + get(L , R ,mid + 1 , r , pos *2 + 2);
}

 main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> m >> n;
    for(int i = 0;i < n; ++i){
        cin >> T[i] >> L[i] >> R[i] >> C[i]; --L[i];
        v.emplace_back(L[i] + T[i] , i);
    }
    sort(v.begin() , v.end());
    for(int i = 0; i < n; ++i){
        int id = v[i].s;
        //cout << id << " id ";
        a[i] = L[id] - T[id];
        pos[id] = i;
        upd(Node(a[i] , id) , i);
    }//cout << endl;
    priority_queue<pair<int , int> > pq;
    for(int i = 0; i < n; ++i){
        if(L[i] == 0){
            pq.push({-C[i] , i});
            upd(Node(inf , i) , pos[i]);
        }
    }
    //cout << E[6].v << " ka " << endl;
    int ans = inf;
    while(!pq.empty()){
        auto tp = pq.top(); pq.pop();
        int i = tp.s , w= tp.f;
        //cout << w << " w "  << endl;
        if(R[i] == m) ans = min(ans , -w);
        int Y = lower_bound(v.begin() , v.end(), make_pair(R[i] + T[i] , m))- v.begin() ;
        while(1){
            Node X = get(0 , Y);
            //cout << X.val << " " << X.v <<  " Xval " << endl;
            if(X.val <= R[i] - T[i]){
                //cout << X.v << " " << i << endl;
                pq.push({w - C[X.v] , X.v});
                upd(Node(inf , -1) , pos[X.v]);
            } else break;
        }
    }
    if(ans == inf)ans=-1;
    cout << ans;
}

Compilation message

treatment.cpp:35:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 |  main (){
      |        ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 172 ms 10852 KB Output is correct
2 Correct 119 ms 10872 KB Output is correct
3 Correct 160 ms 12336 KB Output is correct
4 Correct 161 ms 12516 KB Output is correct
5 Correct 176 ms 13796 KB Output is correct
6 Correct 162 ms 10980 KB Output is correct
7 Correct 153 ms 10852 KB Output is correct
8 Correct 80 ms 10852 KB Output is correct
9 Correct 78 ms 10852 KB Output is correct
10 Correct 77 ms 10872 KB Output is correct
11 Correct 177 ms 13796 KB Output is correct
12 Correct 182 ms 13796 KB Output is correct
13 Correct 206 ms 13856 KB Output is correct
14 Correct 210 ms 13796 KB Output is correct
15 Correct 178 ms 10852 KB Output is correct
16 Correct 175 ms 10780 KB Output is correct
17 Correct 172 ms 10864 KB Output is correct
18 Correct 186 ms 13796 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 172 ms 10852 KB Output is correct
2 Correct 119 ms 10872 KB Output is correct
3 Correct 160 ms 12336 KB Output is correct
4 Correct 161 ms 12516 KB Output is correct
5 Correct 176 ms 13796 KB Output is correct
6 Correct 162 ms 10980 KB Output is correct
7 Correct 153 ms 10852 KB Output is correct
8 Correct 80 ms 10852 KB Output is correct
9 Correct 78 ms 10852 KB Output is correct
10 Correct 77 ms 10872 KB Output is correct
11 Correct 177 ms 13796 KB Output is correct
12 Correct 182 ms 13796 KB Output is correct
13 Correct 206 ms 13856 KB Output is correct
14 Correct 210 ms 13796 KB Output is correct
15 Correct 178 ms 10852 KB Output is correct
16 Correct 175 ms 10780 KB Output is correct
17 Correct 172 ms 10864 KB Output is correct
18 Correct 186 ms 13796 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Incorrect 1 ms 364 KB Output isn't correct
21 Halted 0 ms 0 KB -