oj.uz

Submission #314178

# Submission time Handle Problem Language Result Execution time Memory
314178 2020-10-18T22:55:46 Z VROOM_VARUN Long Mansion (JOI17_long_mansion) C++14
100 / 100
 311 ms 54432 KB 
/*
ID: varunra2
LANG: C++
TASK: mansion
*/

#include <bits/stdc++.h>
using namespace std;

#ifdef DEBUG
#include "lib/debug.h"
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#define debug_arr(...) \
  cerr << "[" << #__VA_ARGS__ << "]:", debug_arr(__VA_ARGS__)
#pragma GCC diagnostic ignored "-Wsign-compare"
//#pragma GCC diagnostic ignored "-Wunused-parameter"
//#pragma GCC diagnostic ignored "-Wunused-variable"
#else
#define debug(...) 42
#endif

#define EPS 1e-9
#define IN(A, B, C) assert(B <= A && A <= C)
#define INF (int)1e9
#define MEM(a, b) memset(a, (b), sizeof(a))
#define MOD 1000000007
#define MP make_pair
#define PB push_back
#define all(cont) cont.begin(), cont.end()
#define rall(cont) cont.end(), cont.begin()
#define x first
#define y second

const double PI = acos(-1.0);
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef map<int, int> MPII;
typedef multiset<int> MSETI;
typedef set<int> SETI;
typedef set<string> SETS;
typedef vector<int> VI;
typedef vector<PII> VII;
typedef vector<VI> VVI;
typedef vector<string> VS;

#define rep(i, a, b) for (int i = a; i < (b); ++i)
#define trav(a, x) for (auto& a : x)
#define sz(x) (int)(x).size()
typedef pair<int, int> pii;
typedef vector<int> vi;
#pragma GCC diagnostic ignored "-Wsign-compare"
// util functions

int main() {
  // #ifndef ONLINE_JUDGE
  // freopen("mansion.in", "r", stdin);
  // freopen("mansion.out", "w", stdout);
  // #endif
  cin.sync_with_stdio(0);
  cin.tie(0);

  int n;
  cin >> n;

  VI b(n);
  VI c(n);
  VVI gps(n);

  for (int i = 0; i < n - 1; i++) {
    cin >> c[i];
    c[i]--;
  }

  for (int i = 0; i < n; i++) {
    cin >> b[i];
    for (int j = 0; j < b[i]; j++) {
      int u;
      cin >> u;
      u--;
      gps[i].PB(u);
    }
  }

  VI bef(n), aft(n);

  VI lst(n, -1);

  for (int i = 0; i < n - 1; i++) {
    trav(x, gps[i]) { lst[x] = i; }
    bef[i] = lst[c[i]];
  }

  lst.assign(n, n);

  for (int i = n - 1; i >= 1; i--) {
    trav(x, gps[i]) { lst[x] = i; }
    aft[i - 1] = lst[c[i - 1]];
  }

  VI l(n), r(n);

  for (int i = 0; i < n; i++) {
    l[i] = i;
    r[i] = i;
    bool ok = true;
    while (ok) {
      ok = false;
      if (l[i] and aft[l[i] - 1] <= r[i]) {
        r[i] = max(r[i], r[l[i] - 1]);
        l[i] = l[l[i] - 1];
        ok = true;
      }
      if (r[i] < n - 1 and bef[r[i]] >= l[i]) {
        r[i]++;
        ok = true;
      }
    }
  }

  int q;
  cin >> q;

  debug(l);
  debug(r);

  while (q--) {
    int x, y;
    cin >> x >> y;
    x--, y--;

    if (y <= r[x] and y >= l[x]) {
      cout << "YES\n";
    } else {
      cout << "NO\n";
    }
  }

  return 0;
}

Compilation message

long_mansion.cpp: In function 'int main()':
long_mansion.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
long_mansion.cpp:124:3: note: in expansion of macro 'debug'
  124 |   debug(l);
      |   ^~~~~
long_mansion.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
long_mansion.cpp:125:3: note: in expansion of macro 'debug'
  125 |   debug(r);
      |   ^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 3 ms 896 KB Output is correct
4 Correct 3 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 3 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 3 ms 896 KB Output is correct
4 Correct 3 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 3 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 106 ms 6520 KB Output is correct
9 Correct 109 ms 6392 KB Output is correct
10 Correct 106 ms 6776 KB Output is correct
11 Correct 106 ms 7288 KB Output is correct
12 Correct 96 ms 6008 KB Output is correct
13 Correct 103 ms 6648 KB Output is correct
14 Correct 102 ms 6648 KB Output is correct
15 Correct 101 ms 6648 KB Output is correct
16 Correct 95 ms 6460 KB Output is correct
17 Correct 102 ms 6648 KB Output is correct
18 Correct 102 ms 6648 KB Output is correct
19 Correct 101 ms 6652 KB Output is correct
20 Correct 98 ms 6648 KB Output is correct
21 Correct 96 ms 6392 KB Output is correct
22 Correct 100 ms 6520 KB Output is correct
23 Correct 104 ms 6452 KB Output is correct
24 Correct 105 ms 6392 KB Output is correct
25 Correct 103 ms 6392 KB Output is correct
26 Correct 105 ms 6392 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 192 ms 18160 KB Output is correct
2 Correct 212 ms 18040 KB Output is correct
3 Correct 188 ms 17736 KB Output is correct
4 Correct 193 ms 18196 KB Output is correct
5 Correct 208 ms 18168 KB Output is correct
6 Correct 156 ms 16888 KB Output is correct
7 Correct 155 ms 16760 KB Output is correct
8 Correct 160 ms 16632 KB Output is correct
9 Correct 157 ms 16632 KB Output is correct
10 Correct 158 ms 16632 KB Output is correct
11 Correct 158 ms 16632 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 3 ms 896 KB Output is correct
4 Correct 3 ms 640 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 3 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 106 ms 6520 KB Output is correct
9 Correct 109 ms 6392 KB Output is correct
10 Correct 106 ms 6776 KB Output is correct
11 Correct 106 ms 7288 KB Output is correct
12 Correct 96 ms 6008 KB Output is correct
13 Correct 103 ms 6648 KB Output is correct
14 Correct 102 ms 6648 KB Output is correct
15 Correct 101 ms 6648 KB Output is correct
16 Correct 95 ms 6460 KB Output is correct
17 Correct 102 ms 6648 KB Output is correct
18 Correct 102 ms 6648 KB Output is correct
19 Correct 101 ms 6652 KB Output is correct
20 Correct 98 ms 6648 KB Output is correct
21 Correct 96 ms 6392 KB Output is correct
22 Correct 100 ms 6520 KB Output is correct
23 Correct 104 ms 6452 KB Output is correct
24 Correct 105 ms 6392 KB Output is correct
25 Correct 103 ms 6392 KB Output is correct
26 Correct 105 ms 6392 KB Output is correct
27 Correct 192 ms 18160 KB Output is correct
28 Correct 212 ms 18040 KB Output is correct
29 Correct 188 ms 17736 KB Output is correct
30 Correct 193 ms 18196 KB Output is correct
31 Correct 208 ms 18168 KB Output is correct
32 Correct 156 ms 16888 KB Output is correct
33 Correct 155 ms 16760 KB Output is correct
34 Correct 160 ms 16632 KB Output is correct
35 Correct 157 ms 16632 KB Output is correct
36 Correct 158 ms 16632 KB Output is correct
37 Correct 158 ms 16632 KB Output is correct
38 Correct 299 ms 46616 KB Output is correct
39 Correct 311 ms 54432 KB Output is correct
40 Correct 277 ms 37240 KB Output is correct
41 Correct 307 ms 52856 KB Output is correct
42 Correct 166 ms 17912 KB Output is correct
43 Correct 165 ms 17916 KB Output is correct
44 Correct 230 ms 28920 KB Output is correct
45 Correct 228 ms 28792 KB Output is correct
46 Correct 233 ms 29048 KB Output is correct
47 Correct 166 ms 17788 KB Output is correct
48 Correct 161 ms 17656 KB Output is correct
49 Correct 232 ms 28664 KB Output is correct
50 Correct 227 ms 28664 KB Output is correct
51 Correct 233 ms 29048 KB Output is correct
52 Correct 206 ms 27640 KB Output is correct
53 Correct 257 ms 37496 KB Output is correct
54 Correct 300 ms 47480 KB Output is correct
55 Correct 280 ms 37624 KB Output is correct