oj.uz

Submission #386262

# Submission time Handle Problem Language Result Execution time Memory
386262 2021-04-06T08:42:52 Z patrikpavic2 Money (IZhO17_money) C++17
45 / 100
 1500 ms 10092 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];

void remove(int x){
	prv[nxt[x]] = prv[x];
	nxt[prv[x]] = nxt[x];
}

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

Compilation message

money.cpp: In function 'int main()':
money.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   24 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
money.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |   scanf("%d", A + i);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8172 KB Output is correct
2 Correct 6 ms 8172 KB Output is correct
3 Correct 6 ms 8172 KB Output is correct
4 Correct 6 ms 8172 KB Output is correct
5 Correct 6 ms 8172 KB Output is correct
6 Correct 6 ms 8172 KB Output is correct
7 Correct 10 ms 8172 KB Output is correct
8 Correct 14 ms 8172 KB Output is correct
9 Correct 10 ms 8172 KB Output is correct
10 Correct 12 ms 8172 KB Output is correct
11 Correct 11 ms 8172 KB Output is correct
12 Correct 13 ms 8172 KB Output is correct
13 Correct 15 ms 8172 KB Output is correct
14 Correct 13 ms 8172 KB Output is correct
15 Correct 12 ms 8172 KB Output is correct
16 Correct 13 ms 8172 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8172 KB Output is correct
2 Correct 6 ms 8172 KB Output is correct
3 Correct 6 ms 8172 KB Output is correct
4 Correct 6 ms 8172 KB Output is correct
5 Correct 6 ms 8172 KB Output is correct
6 Correct 6 ms 8172 KB Output is correct
7 Correct 10 ms 8172 KB Output is correct
8 Correct 14 ms 8172 KB Output is correct
9 Correct 10 ms 8172 KB Output is correct
10 Correct 12 ms 8172 KB Output is correct
11 Correct 11 ms 8172 KB Output is correct
12 Correct 13 ms 8172 KB Output is correct
13 Correct 15 ms 8172 KB Output is correct
14 Correct 13 ms 8172 KB Output is correct
15 Correct 12 ms 8172 KB Output is correct
16 Correct 13 ms 8172 KB Output is correct
17 Correct 19 ms 8172 KB Output is correct
18 Correct 15 ms 8172 KB Output is correct
19 Correct 13 ms 8172 KB Output is correct
20 Correct 18 ms 8172 KB Output is correct
21 Correct 15 ms 8172 KB Output is correct
22 Correct 24 ms 8172 KB Output is correct
23 Correct 13 ms 8172 KB Output is correct
24 Correct 23 ms 8172 KB Output is correct
25 Correct 12 ms 8320 KB Output is correct
26 Correct 12 ms 8172 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8172 KB Output is correct
2 Correct 6 ms 8172 KB Output is correct
3 Correct 6 ms 8172 KB Output is correct
4 Correct 6 ms 8172 KB Output is correct
5 Correct 6 ms 8172 KB Output is correct
6 Correct 6 ms 8172 KB Output is correct
7 Correct 10 ms 8172 KB Output is correct
8 Correct 14 ms 8172 KB Output is correct
9 Correct 10 ms 8172 KB Output is correct
10 Correct 12 ms 8172 KB Output is correct
11 Correct 11 ms 8172 KB Output is correct
12 Correct 13 ms 8172 KB Output is correct
13 Correct 15 ms 8172 KB Output is correct
14 Correct 13 ms 8172 KB Output is correct
15 Correct 12 ms 8172 KB Output is correct
16 Correct 13 ms 8172 KB Output is correct
17 Correct 19 ms 8172 KB Output is correct
18 Correct 15 ms 8172 KB Output is correct
19 Correct 13 ms 8172 KB Output is correct
20 Correct 18 ms 8172 KB Output is correct
21 Correct 15 ms 8172 KB Output is correct
22 Correct 24 ms 8172 KB Output is correct
23 Correct 13 ms 8172 KB Output is correct
24 Correct 23 ms 8172 KB Output is correct
25 Correct 12 ms 8320 KB Output is correct
26 Correct 12 ms 8172 KB Output is correct
27 Correct 6 ms 8172 KB Output is correct
28 Correct 5 ms 8172 KB Output is correct
29 Correct 6 ms 8172 KB Output is correct
30 Correct 6 ms 8172 KB Output is correct
31 Correct 6 ms 8192 KB Output is correct
32 Correct 184 ms 8300 KB Output is correct
33 Correct 181 ms 8220 KB Output is correct
34 Correct 178 ms 8172 KB Output is correct
35 Correct 55 ms 8172 KB Output is correct
36 Correct 215 ms 8172 KB Output is correct
37 Correct 16 ms 8684 KB Output is correct
38 Correct 15 ms 8684 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8172 KB Output is correct
2 Correct 6 ms 8172 KB Output is correct
3 Correct 6 ms 8172 KB Output is correct
4 Correct 6 ms 8172 KB Output is correct
5 Correct 6 ms 8172 KB Output is correct
6 Correct 6 ms 8172 KB Output is correct
7 Correct 10 ms 8172 KB Output is correct
8 Correct 14 ms 8172 KB Output is correct
9 Correct 10 ms 8172 KB Output is correct
10 Correct 12 ms 8172 KB Output is correct
11 Correct 11 ms 8172 KB Output is correct
12 Correct 13 ms 8172 KB Output is correct
13 Correct 15 ms 8172 KB Output is correct
14 Correct 13 ms 8172 KB Output is correct
15 Correct 12 ms 8172 KB Output is correct
16 Correct 13 ms 8172 KB Output is correct
17 Correct 19 ms 8172 KB Output is correct
18 Correct 15 ms 8172 KB Output is correct
19 Correct 13 ms 8172 KB Output is correct
20 Correct 18 ms 8172 KB Output is correct
21 Correct 15 ms 8172 KB Output is correct
22 Correct 24 ms 8172 KB Output is correct
23 Correct 13 ms 8172 KB Output is correct
24 Correct 23 ms 8172 KB Output is correct
25 Correct 12 ms 8320 KB Output is correct
26 Correct 12 ms 8172 KB Output is correct
27 Correct 6 ms 8172 KB Output is correct
28 Correct 5 ms 8172 KB Output is correct
29 Correct 6 ms 8172 KB Output is correct
30 Correct 6 ms 8172 KB Output is correct
31 Correct 6 ms 8192 KB Output is correct
32 Correct 184 ms 8300 KB Output is correct
33 Correct 181 ms 8220 KB Output is correct
34 Correct 178 ms 8172 KB Output is correct
35 Correct 55 ms 8172 KB Output is correct
36 Correct 215 ms 8172 KB Output is correct
37 Correct 16 ms 8684 KB Output is correct
38 Correct 15 ms 8684 KB Output is correct
39 Execution timed out 1589 ms 10092 KB Time limit exceeded
40 Halted 0 ms 0 KB -