oj.uz

Submission #533576

# Submission time Handle Problem Language Result Execution time Memory
533576 2022-03-06T10:26:40 Z cadmiumsky Pinball (JOI14_pinball) C++14
51 / 100
 1000 ms 31508 KB 
#include <bits/stdc++.h>
#define ll long long
using namespace std;
int n, m;
const ll inf = 1e17 + 5;
const int nmax = 3e5 + 33;
#define left deobiceicineintreabasussy
#define right deobiceicineintreababaka

mt19937 rng(time(0));

struct Treap {
  struct node {
    int pri;
    ll mn, val;
    int area;
    node *l, *r;
    int ind() {
      return l -> area + 1;
    }
  } *nil = new node{-1, inf, inf, 0, 0, 0};
  using ns = node*;
  struct pns {
    ns l, r;
  };
  ns updnode(ns nde, ns x, int val) {
    (val? nde -> r : nde -> l) = x;
    nde -> area = nde -> l -> area + nde -> r -> area + 1;
    nde -> mn = min({nde -> l -> mn, nde -> r -> mn, nde -> val});
    return nde;  
  }
  ns merge(ns l, ns r) {
    return l == nil? r:
            r == nil? l:
              l -> pri > r -> pri? updnode(l, merge(l -> r, r), 1):
                updnode(r, merge(l, r -> l), 0);
  }
  pns split(ns x, int val) {
    pns temp;
    return val == 0? pns{nil, x}:
            x -> area <= val? pns{x, nil}:
              x -> ind() <= val? (temp = split(x -> r, val - x -> ind()), temp.l = updnode(x, temp.l, 1), temp):
                (temp = split(x -> l, val), temp.r = updnode(x, temp.r, 0), temp);
  }
  ns root = nil;
  void append() {
    root = merge(root, new node{abs((int)rng()), inf, inf, 1, nil, nil});
  }
  ll query(int l, int r) {
    pns temp[2] = {split(root, l - 1), split(temp[0].r, r - l + 1)};
    ll rez = temp[1].l -> mn;
    root = merge(temp[0].l, merge(temp[1].l, temp[1].r));
    return rez;
  }
  void upd(int poz, ll val) {
    pns temp[2] = {split(root, poz - 1), split(temp[0].r, 1)};
    temp[1].l -> val = min(temp[1].l -> val, val);
    temp[1].l -> mn = temp[1].l -> val;
    root = merge(temp[0].l, merge(temp[1].l, temp[1].r));
    return;
  }
};
Treap left, right;

#define norm deobiceicineintreaba
map<int,int> norm;

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0), cout.tie(0);
  cin >> m >> n;
  vector<tuple<int,int,int,ll> > v(m);
  for(auto &[a, b, c, d] : v) {
    cin >> a >> b >> c >> d;
    norm[a];
    norm[b];
    norm[c];
  }
  norm[1];
  norm[n];
  int cnt = 1;
  for(auto &x : norm)
    x.second = cnt++;
  n = cnt - 1;
  for(int i = 1; i <= n; i++) {
    left.append();
    right.append();
  }
  left.upd(1, 0);
  right.upd(n, 0);
  ll minn = inf;
  bool ok = 0;
  for(auto [a, b, c, d] : v) {
    a = norm[a];
    b = norm[b];
    c = norm[c];
    ll l = left.query(a, b), r = right.query(a, b);
    //cout << l << ' ' << r << '\n';
    if(minn > l + r + d)
      minn = l + r + d, ok = 1;
    left.upd(c, l + d);
    right.upd(c, r + d);
  }
  if(!ok)
    cout << -1 << '\n';
  else
    cout << minn << '\n';
}

Compilation message

pinball.cpp: In function 'int main()':
pinball.cpp:73:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   73 |   for(auto &[a, b, c, d] : v) {
      |             ^
pinball.cpp:93:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   93 |   for(auto [a, b, c, d] : v) {
      |            ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 460 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 4 ms 716 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 2 ms 460 KB Output is correct
22 Correct 4 ms 824 KB Output is correct
23 Correct 3 ms 844 KB Output is correct
24 Correct 4 ms 844 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 460 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 4 ms 716 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 2 ms 460 KB Output is correct
22 Correct 4 ms 824 KB Output is correct
23 Correct 3 ms 844 KB Output is correct
24 Correct 4 ms 844 KB Output is correct
25 Correct 50 ms 3508 KB Output is correct
26 Correct 195 ms 10472 KB Output is correct
27 Correct 582 ms 19328 KB Output is correct
28 Correct 245 ms 2864 KB Output is correct
29 Correct 411 ms 17176 KB Output is correct
30 Correct 443 ms 5668 KB Output is correct
31 Execution timed out 1049 ms 31508 KB Time limit exceeded
32 Halted 0 ms 0 KB -