oj.uz

Submission #348256

# Submission time Handle Problem Language Result Execution time Memory
348256 2021-01-14T12:03:09 Z nickmet2004 Treatment Project (JOI20_treatment) C++11
4 / 100
 207 ms 13924 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 = upper_bound(v.begin() , v.end(), make_pair(R[i] + T[i] , m+1))- 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 169 ms 10980 KB Output is correct
2 Correct 116 ms 10852 KB Output is correct
3 Correct 160 ms 12396 KB Output is correct
4 Correct 159 ms 12516 KB Output is correct
5 Correct 175 ms 13796 KB Output is correct
6 Correct 167 ms 10980 KB Output is correct
7 Correct 157 ms 10852 KB Output is correct
8 Correct 84 ms 10852 KB Output is correct
9 Correct 79 ms 10852 KB Output is correct
10 Correct 78 ms 10852 KB Output is correct
11 Correct 175 ms 13796 KB Output is correct
12 Correct 182 ms 13796 KB Output is correct
13 Correct 207 ms 13924 KB Output is correct
14 Correct 206 ms 13824 KB Output is correct
15 Correct 178 ms 10852 KB Output is correct
16 Correct 177 ms 10852 KB Output is correct
17 Correct 173 ms 10988 KB Output is correct
18 Correct 176 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 0 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 0 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 169 ms 10980 KB Output is correct
2 Correct 116 ms 10852 KB Output is correct
3 Correct 160 ms 12396 KB Output is correct
4 Correct 159 ms 12516 KB Output is correct
5 Correct 175 ms 13796 KB Output is correct
6 Correct 167 ms 10980 KB Output is correct
7 Correct 157 ms 10852 KB Output is correct
8 Correct 84 ms 10852 KB Output is correct
9 Correct 79 ms 10852 KB Output is correct
10 Correct 78 ms 10852 KB Output is correct
11 Correct 175 ms 13796 KB Output is correct
12 Correct 182 ms 13796 KB Output is correct
13 Correct 207 ms 13924 KB Output is correct
14 Correct 206 ms 13824 KB Output is correct
15 Correct 178 ms 10852 KB Output is correct
16 Correct 177 ms 10852 KB Output is correct
17 Correct 173 ms 10988 KB Output is correct
18 Correct 176 ms 13796 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Incorrect 0 ms 364 KB Output isn't correct
21 Halted 0 ms 0 KB -