답안 #702186

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
702186	2023-02-23T07:52:30 Z	mychecksedad	Money (IZhO17_money)	C++17	100 / 100	1477 ms	62116 KB

money

/* 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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #702186

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 55.0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
55.0 / 55.0