oj.uz

Submission #702186

# Submission time Handle Problem Language Result Execution time Memory
702186 2023-02-23T07:52:30 Z mychecksedad Money (IZhO17_money) C++17
100 / 100
 1477 ms 62116 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 1e6+100, M = 1e5+10, K = 20;


int n, a[N], ans;
set<int> s;
vector<int> c;
vector<bool> rem;
void solve(){
  cin >> n;
  c.resize(N);
  rem.resize(N);
  for(int i = 0; i < n; ++i) cin >> a[i];
  for(int i = 0; i < n; ++i) s.insert(a[i]), c[a[i]]++;
  ans = 0;
  for(int i = n - 1; i >= 0; --i){
    auto it = s.find(a[i]);
    assert(it != s.end());
    ans++;
    vector<int> er;
    while(*it == a[i]){
      if(er.empty()) er.pb(a[i]);
      else if(er.back() != a[i]) er.pb(a[i]);
      c[a[i]]--;
      --i;
      if(i == -1)
        break;
      if(c[a[i + 1]] > 0){
        if(a[i] != a[i + 1]){
          if(er[0] == a[i + 1]){
            if(it == s.begin()) break;
            --it;
          }
          else
            break;
        }
      }else{
        if(it == s.begin()) break;
        --it;
      }
    }
    for(int u: er){
      if(c[u] == 0 && !rem[u]) s.erase(u), rem[u] = 1;
    }
    ++i;
  }
  cout << ans;
}


int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int T = 1, aa;
//  freopen("out.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  // cin >> T;aa=T;
  while(T--){
    // cout << "Case #" << aa-T << ": ";
    solve();
  }
  return 0;
 
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:61:14: warning: unused variable 'aa' [-Wunused-variable]
   61 |   int T = 1, aa;
      |              ^~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 3 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 2 ms 4308 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4308 KB Output is correct
9 Correct 2 ms 4308 KB Output is correct
10 Correct 2 ms 4308 KB Output is correct
11 Correct 2 ms 4308 KB Output is correct
12 Correct 2 ms 4308 KB Output is correct
13 Correct 2 ms 4308 KB Output is correct
14 Correct 3 ms 4308 KB Output is correct
15 Correct 2 ms 4308 KB Output is correct
16 Correct 2 ms 4308 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 3 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 2 ms 4308 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4308 KB Output is correct
9 Correct 2 ms 4308 KB Output is correct
10 Correct 2 ms 4308 KB Output is correct
11 Correct 2 ms 4308 KB Output is correct
12 Correct 2 ms 4308 KB Output is correct
13 Correct 2 ms 4308 KB Output is correct
14 Correct 3 ms 4308 KB Output is correct
15 Correct 2 ms 4308 KB Output is correct
16 Correct 2 ms 4308 KB Output is correct
17 Correct 2 ms 4308 KB Output is correct
18 Correct 2 ms 4308 KB Output is correct
19 Correct 2 ms 4308 KB Output is correct
20 Correct 2 ms 4308 KB Output is correct
21 Correct 2 ms 4308 KB Output is correct
22 Correct 2 ms 4308 KB Output is correct
23 Correct 2 ms 4308 KB Output is correct
24 Correct 2 ms 4308 KB Output is correct
25 Correct 2 ms 4308 KB Output is correct
26 Correct 2 ms 4308 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 3 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 2 ms 4308 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4308 KB Output is correct
9 Correct 2 ms 4308 KB Output is correct
10 Correct 2 ms 4308 KB Output is correct
11 Correct 2 ms 4308 KB Output is correct
12 Correct 2 ms 4308 KB Output is correct
13 Correct 2 ms 4308 KB Output is correct
14 Correct 3 ms 4308 KB Output is correct
15 Correct 2 ms 4308 KB Output is correct
16 Correct 2 ms 4308 KB Output is correct
17 Correct 2 ms 4308 KB Output is correct
18 Correct 2 ms 4308 KB Output is correct
19 Correct 2 ms 4308 KB Output is correct
20 Correct 2 ms 4308 KB Output is correct
21 Correct 2 ms 4308 KB Output is correct
22 Correct 2 ms 4308 KB Output is correct
23 Correct 2 ms 4308 KB Output is correct
24 Correct 2 ms 4308 KB Output is correct
25 Correct 2 ms 4308 KB Output is correct
26 Correct 2 ms 4308 KB Output is correct
27 Correct 2 ms 4308 KB Output is correct
28 Correct 2 ms 4308 KB Output is correct
29 Correct 2 ms 4308 KB Output is correct
30 Correct 3 ms 4308 KB Output is correct
31 Correct 2 ms 4308 KB Output is correct
32 Correct 2 ms 4308 KB Output is correct
33 Correct 2 ms 4308 KB Output is correct
34 Correct 2 ms 4308 KB Output is correct
35 Correct 3 ms 4308 KB Output is correct
36 Correct 2 ms 4308 KB Output is correct
37 Correct 2 ms 4308 KB Output is correct
38 Correct 2 ms 4308 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 3 ms 4308 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 2 ms 4308 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4308 KB Output is correct
9 Correct 2 ms 4308 KB Output is correct
10 Correct 2 ms 4308 KB Output is correct
11 Correct 2 ms 4308 KB Output is correct
12 Correct 2 ms 4308 KB Output is correct
13 Correct 2 ms 4308 KB Output is correct
14 Correct 3 ms 4308 KB Output is correct
15 Correct 2 ms 4308 KB Output is correct
16 Correct 2 ms 4308 KB Output is correct
17 Correct 2 ms 4308 KB Output is correct
18 Correct 2 ms 4308 KB Output is correct
19 Correct 2 ms 4308 KB Output is correct
20 Correct 2 ms 4308 KB Output is correct
21 Correct 2 ms 4308 KB Output is correct
22 Correct 2 ms 4308 KB Output is correct
23 Correct 2 ms 4308 KB Output is correct
24 Correct 2 ms 4308 KB Output is correct
25 Correct 2 ms 4308 KB Output is correct
26 Correct 2 ms 4308 KB Output is correct
27 Correct 2 ms 4308 KB Output is correct
28 Correct 2 ms 4308 KB Output is correct
29 Correct 2 ms 4308 KB Output is correct
30 Correct 3 ms 4308 KB Output is correct
31 Correct 2 ms 4308 KB Output is correct
32 Correct 2 ms 4308 KB Output is correct
33 Correct 2 ms 4308 KB Output is correct
34 Correct 2 ms 4308 KB Output is correct
35 Correct 3 ms 4308 KB Output is correct
36 Correct 2 ms 4308 KB Output is correct
37 Correct 2 ms 4308 KB Output is correct
38 Correct 2 ms 4308 KB Output is correct
39 Correct 62 ms 6132 KB Output is correct
40 Correct 124 ms 7384 KB Output is correct
41 Correct 49 ms 5844 KB Output is correct
42 Correct 49 ms 5656 KB Output is correct
43 Correct 35 ms 5276 KB Output is correct
44 Correct 130 ms 8144 KB Output is correct
45 Correct 131 ms 8224 KB Output is correct
46 Correct 131 ms 8204 KB Output is correct
47 Correct 102 ms 8140 KB Output is correct
48 Correct 108 ms 8164 KB Output is correct
49 Correct 602 ms 26636 KB Output is correct
50 Correct 599 ms 26860 KB Output is correct
51 Correct 628 ms 26828 KB Output is correct
52 Correct 600 ms 26656 KB Output is correct
53 Correct 613 ms 26732 KB Output is correct
54 Correct 631 ms 26828 KB Output is correct
55 Correct 1467 ms 55124 KB Output is correct
56 Correct 1427 ms 62028 KB Output is correct
57 Correct 1477 ms 62000 KB Output is correct
58 Correct 1464 ms 61968 KB Output is correct
59 Correct 1476 ms 62116 KB Output is correct
60 Correct 1429 ms 61900 KB Output is correct
61 Correct 1457 ms 61932 KB Output is correct
62 Correct 1448 ms 61932 KB Output is correct