oj.uz

Submission #386260

# Submission time Handle Problem Language Result Execution time Memory
386260 2021-04-06T08:40:03 Z patrikpavic2 Money (IZhO17_money) C++17
45 / 100
 1500 ms 2156 KB 
#include <cstdio>
#include <cstring>
#include <vector>
#include <set>
#include <algorithm>

#define X first
#define Y second
#define PB push_back

using namespace std;

const int N = 1e6 + 500;

int A[N], n, prv[N], nxt[N], sol;
int cnt[N];

int main(){
	scanf("%d", &n);
	for(int i = 0;i < n;i++){
		scanf("%d", A + i);
		cnt[A[i]]++;
	}
	for(int i = n - 1;i >= 0;i--){
		cnt[A[i]]--;
		while(i > 0 && A[i - 1] == A[i]){
			i--; cnt[A[i]]--;
		}
		int cur = A[i] - 1; 
		while(!cnt[cur] && cur > 0) cur--;
		if(i > 0 && A[i - 1] == cur){
			i--; cnt[A[i]]--;
		}
		cur = A[i];
		while(!cnt[cur] && cur > 0) cur--;
		while(i > 0 && A[i - 1] == cur){
			i--; cnt[A[i]]--;
			while(!cnt[cur] && cur > 0) cur--;
		}
		sol++;
	}
	printf("%d\n", sol);
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
money.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |   scanf("%d", A + i);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 3 ms 364 KB Output is correct
8 Correct 5 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 4 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 5 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 7 ms 364 KB Output is correct
16 Correct 8 ms 364 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 3 ms 364 KB Output is correct
8 Correct 5 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 4 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 5 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 7 ms 364 KB Output is correct
16 Correct 8 ms 364 KB Output is correct
17 Correct 6 ms 364 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 3 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 4 ms 364 KB Output is correct
22 Correct 5 ms 364 KB Output is correct
23 Correct 5 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 9 ms 364 KB Output is correct
26 Correct 10 ms 364 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 3 ms 364 KB Output is correct
8 Correct 5 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 4 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 5 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 7 ms 364 KB Output is correct
16 Correct 8 ms 364 KB Output is correct
17 Correct 6 ms 364 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 3 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 4 ms 364 KB Output is correct
22 Correct 5 ms 364 KB Output is correct
23 Correct 5 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 9 ms 364 KB Output is correct
26 Correct 10 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 45 ms 364 KB Output is correct
33 Correct 33 ms 364 KB Output is correct
34 Correct 35 ms 364 KB Output is correct
35 Correct 13 ms 364 KB Output is correct
36 Correct 48 ms 364 KB Output is correct
37 Correct 24 ms 876 KB Output is correct
38 Correct 27 ms 876 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 3 ms 364 KB Output is correct
8 Correct 5 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 4 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 5 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 7 ms 364 KB Output is correct
16 Correct 8 ms 364 KB Output is correct
17 Correct 6 ms 364 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 3 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 4 ms 364 KB Output is correct
22 Correct 5 ms 364 KB Output is correct
23 Correct 5 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 9 ms 364 KB Output is correct
26 Correct 10 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 45 ms 364 KB Output is correct
33 Correct 33 ms 364 KB Output is correct
34 Correct 35 ms 364 KB Output is correct
35 Correct 13 ms 364 KB Output is correct
36 Correct 48 ms 364 KB Output is correct
37 Correct 24 ms 876 KB Output is correct
38 Correct 27 ms 876 KB Output is correct
39 Execution timed out 1583 ms 2156 KB Time limit exceeded
40 Halted 0 ms 0 KB -