답안 #702175

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
702175	2023-02-23T07:33:59 Z	mychecksedad	Money (IZhO17_money)	C++17	45 / 100	1500 ms	61772 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;
void solve(){
  cin >> n;
  c.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]){
      er.pb(*it);
      c[*it]--;
      --i;
      if(i == -1)
        break;
      if(c[*it] > 0){
        if(a[i] != *it){
          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) if(s.find(u) != s.end()) s.erase(u);
    }
    ++i;
  }
  cout << ans;
}


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

Compilation message

money.cpp: In function 'int main()':
money.cpp:58:14: warning: unused variable 'aa' [-Wunused-variable]
   58 |   int T = 1, aa;
      |              ^~

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4180 KB	Output is correct
2	Correct	2 ms	4180 KB	Output is correct
3	Correct	2 ms	4180 KB	Output is correct
4	Correct	2 ms	4180 KB	Output is correct
5	Correct	2 ms	4180 KB	Output is correct
6	Correct	2 ms	4180 KB	Output is correct
7	Correct	2 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	2 ms	4180 KB	Output is correct
12	Correct	2 ms	4180 KB	Output is correct
13	Correct	2 ms	4180 KB	Output is correct
14	Correct	2 ms	4164 KB	Output is correct
15	Correct	2 ms	4164 KB	Output is correct
16	Correct	3 ms	4180 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4180 KB	Output is correct
2	Correct	2 ms	4180 KB	Output is correct
3	Correct	2 ms	4180 KB	Output is correct
4	Correct	2 ms	4180 KB	Output is correct
5	Correct	2 ms	4180 KB	Output is correct
6	Correct	2 ms	4180 KB	Output is correct
7	Correct	2 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	2 ms	4180 KB	Output is correct
12	Correct	2 ms	4180 KB	Output is correct
13	Correct	2 ms	4180 KB	Output is correct
14	Correct	2 ms	4164 KB	Output is correct
15	Correct	2 ms	4164 KB	Output is correct
16	Correct	3 ms	4180 KB	Output is correct
17	Correct	2 ms	4164 KB	Output is correct
18	Correct	2 ms	4180 KB	Output is correct
19	Correct	2 ms	4172 KB	Output is correct
20	Correct	2 ms	4180 KB	Output is correct
21	Correct	2 ms	4180 KB	Output is correct
22	Correct	2 ms	4168 KB	Output is correct
23	Correct	2 ms	4180 KB	Output is correct
24	Correct	2 ms	4180 KB	Output is correct
25	Correct	2 ms	4180 KB	Output is correct
26	Correct	2 ms	4180 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4180 KB	Output is correct
2	Correct	2 ms	4180 KB	Output is correct
3	Correct	2 ms	4180 KB	Output is correct
4	Correct	2 ms	4180 KB	Output is correct
5	Correct	2 ms	4180 KB	Output is correct
6	Correct	2 ms	4180 KB	Output is correct
7	Correct	2 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	2 ms	4180 KB	Output is correct
12	Correct	2 ms	4180 KB	Output is correct
13	Correct	2 ms	4180 KB	Output is correct
14	Correct	2 ms	4164 KB	Output is correct
15	Correct	2 ms	4164 KB	Output is correct
16	Correct	3 ms	4180 KB	Output is correct
17	Correct	2 ms	4164 KB	Output is correct
18	Correct	2 ms	4180 KB	Output is correct
19	Correct	2 ms	4172 KB	Output is correct
20	Correct	2 ms	4180 KB	Output is correct
21	Correct	2 ms	4180 KB	Output is correct
22	Correct	2 ms	4168 KB	Output is correct
23	Correct	2 ms	4180 KB	Output is correct
24	Correct	2 ms	4180 KB	Output is correct
25	Correct	2 ms	4180 KB	Output is correct
26	Correct	2 ms	4180 KB	Output is correct
27	Correct	2 ms	4180 KB	Output is correct
28	Correct	3 ms	4180 KB	Output is correct
29	Correct	2 ms	4180 KB	Output is correct
30	Correct	2 ms	4180 KB	Output is correct
31	Correct	2 ms	4168 KB	Output is correct
32	Correct	2 ms	4180 KB	Output is correct
33	Correct	2 ms	4180 KB	Output is correct
34	Correct	2 ms	4180 KB	Output is correct
35	Correct	2 ms	4180 KB	Output is correct
36	Correct	2 ms	4180 KB	Output is correct
37	Correct	2 ms	4180 KB	Output is correct
38	Correct	2 ms	4180 KB	Output is correct

Subtask #4
0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4180 KB	Output is correct
2	Correct	2 ms	4180 KB	Output is correct
3	Correct	2 ms	4180 KB	Output is correct
4	Correct	2 ms	4180 KB	Output is correct
5	Correct	2 ms	4180 KB	Output is correct
6	Correct	2 ms	4180 KB	Output is correct
7	Correct	2 ms	4180 KB	Output is correct
8	Correct	2 ms	4180 KB	Output is correct
9	Correct	2 ms	4180 KB	Output is correct
10	Correct	2 ms	4180 KB	Output is correct
11	Correct	2 ms	4180 KB	Output is correct
12	Correct	2 ms	4180 KB	Output is correct
13	Correct	2 ms	4180 KB	Output is correct
14	Correct	2 ms	4164 KB	Output is correct
15	Correct	2 ms	4164 KB	Output is correct
16	Correct	3 ms	4180 KB	Output is correct
17	Correct	2 ms	4164 KB	Output is correct
18	Correct	2 ms	4180 KB	Output is correct
19	Correct	2 ms	4172 KB	Output is correct
20	Correct	2 ms	4180 KB	Output is correct
21	Correct	2 ms	4180 KB	Output is correct
22	Correct	2 ms	4168 KB	Output is correct
23	Correct	2 ms	4180 KB	Output is correct
24	Correct	2 ms	4180 KB	Output is correct
25	Correct	2 ms	4180 KB	Output is correct
26	Correct	2 ms	4180 KB	Output is correct
27	Correct	2 ms	4180 KB	Output is correct
28	Correct	3 ms	4180 KB	Output is correct
29	Correct	2 ms	4180 KB	Output is correct
30	Correct	2 ms	4180 KB	Output is correct
31	Correct	2 ms	4168 KB	Output is correct
32	Correct	2 ms	4180 KB	Output is correct
33	Correct	2 ms	4180 KB	Output is correct
34	Correct	2 ms	4180 KB	Output is correct
35	Correct	2 ms	4180 KB	Output is correct
36	Correct	2 ms	4180 KB	Output is correct
37	Correct	2 ms	4180 KB	Output is correct
38	Correct	2 ms	4180 KB	Output is correct
39	Correct	67 ms	9268 KB	Output is correct
40	Correct	135 ms	12612 KB	Output is correct
41	Correct	61 ms	8280 KB	Output is correct
42	Correct	52 ms	7820 KB	Output is correct
43	Correct	38 ms	6772 KB	Output is correct
44	Correct	145 ms	14760 KB	Output is correct
45	Correct	143 ms	14760 KB	Output is correct
46	Correct	159 ms	14976 KB	Output is correct
47	Correct	117 ms	14904 KB	Output is correct
48	Correct	123 ms	14948 KB	Output is correct
49	Correct	612 ms	33320 KB	Output is correct
50	Correct	703 ms	33356 KB	Output is correct
51	Correct	721 ms	33280 KB	Output is correct
52	Correct	645 ms	33324 KB	Output is correct
53	Correct	610 ms	33392 KB	Output is correct
54	Correct	642 ms	33176 KB	Output is correct
55	Execution timed out	1555 ms	61772 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #702175

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 55.0