oj.uz

Submission #927286

# Submission time Handle Problem Language Result Execution time Memory
927286 2024-02-14T15:37:58 Z vjudge1 Martian DNA (BOI18_dna) C++17
100 / 100
 44 ms 14432 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC target("popcnt")
using namespace std;
using namespace __gnu_pbds;
#define ll long long
#define pb push_back
#define emb emplace_back
#define emc emplace
#define pii pair<int,int>
#define pll pair<ll,ll>
#define F first
#define S second
template <class type_key, class type_val>
using um = unordered_map<type_key, type_val>;
template <class T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template <class T>
using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

signed main(void)
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
      

      int n, k, R;
      cin >> n >> k >> R;

      int a[n+1];
      vector<vector<int>> pos(k+1);
      vector<int> need(k+1, 0);
      vector<int> rt(k+1, 0);
      vector<int> lt(k+1, 0);
      for( int i = 1; i <= n; i++ ) {
            cin >> a[i];
            pos[a[i]].pb(i);
      }

      pii Q[R+1];
      int r = 0;
      for( int i = 1; i <= R; i++ ) {
            cin >> Q[i].F >> Q[i].S;
            if( pos[Q[i].F].size() < Q[i].S ) {
                  cout << "impossible";
                  return 0;
            }
            r = max(r, pos[Q[i].F][Q[i].S-1]);
            need[Q[i].F] = Q[i].S;
            lt[Q[i].F] = 0;
      }
      for( int i = 1; i <= R; i++ ) {
            rt[Q[i].F] = Q[i].S-1;
      }

      int mn = r;
      for( int l = 1; l <= n; l++ ) {
            if( need[a[l]] ) {
                  lt[a[l]]++;
                  rt[a[l]]++;
                  if( rt[a[l]] >= pos[a[l]].size() ) break;
                  r = max(r, pos[a[l]][rt[a[l]]]);
            }
            mn = min(mn, r-l);
      }

      cout << mn;

return 0;
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:46:36: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |             if( pos[Q[i].F].size() < Q[i].S ) {
      |                                    ^
dna.cpp:63:32: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |                   if( rt[a[l]] >= pos[a[l]].size() ) break;

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 600 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2396 KB Output is correct
2 Correct 10 ms 2524 KB Output is correct
3 Correct 10 ms 2140 KB Output is correct
4 Correct 11 ms 2396 KB Output is correct
5 Correct 20 ms 6520 KB Output is correct
6 Correct 9 ms 2396 KB Output is correct
7 Correct 11 ms 2140 KB Output is correct
8 Correct 40 ms 14432 KB Output is correct
9 Correct 16 ms 2648 KB Output is correct
10 Correct 9 ms 2300 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 544 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 6952 KB Output is correct
2 Correct 29 ms 5724 KB Output is correct
3 Correct 24 ms 5468 KB Output is correct
4 Correct 10 ms 2296 KB Output is correct
5 Correct 32 ms 8532 KB Output is correct
6 Correct 44 ms 13916 KB Output is correct
7 Correct 17 ms 2908 KB Output is correct
8 Correct 23 ms 3592 KB Output is correct
9 Correct 9 ms 2392 KB Output is correct
10 Correct 10 ms 2328 KB Output is correct
11 Correct 10 ms 2140 KB Output is correct
12 Correct 9 ms 2396 KB Output is correct
13 Correct 21 ms 6492 KB Output is correct
14 Correct 9 ms 2396 KB Output is correct
15 Correct 11 ms 2156 KB Output is correct
16 Correct 36 ms 14416 KB Output is correct
17 Correct 19 ms 2908 KB Output is correct
18 Correct 11 ms 2300 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct