Submission #92526

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
92526	2019-01-03T10:12:41 Z	Nodir_Bobiev	Money (IZhO17_money)	C++14	100 / 100	734 ms	8312 KB

money

// solved by using fenvick tree 
// + binary search

# include <iostream>

using namespace std;

const int N = 1e6 + 100;

int n, ans = 1;
int a[N];
int cnt[N];

void update(int i)
{
	while(i < N){
		cnt[i]++;
		i += (i & -i);
	}
}

int get(int i){
	int ret = 0;
	while(i > 0){
		ret += cnt[i];
		i -= (i & -i);
	}
	return ret;
}

int main()
{
	scanf("%d", &n);
	for (int i = 1; i <= n; i++)
		scanf("%d", a + i);
	
	update(1e6);
	update(a[1]);
	
	int x = 1e6;
	for (int i = 2; i <= n; i++){
		
		if(a[i] >= a[i - 1] && a[i] <= x)
			update(a[i]);
		
		else{
			int l = a[i], r = 1e6, m;
			while(r > l){
				m = (l + r) >> 1;
				if(get(m) > get(a[i]))
					r = m;
				else
					l = m + 1;
			}
			x = l;
			update(a[i]);
			++ans;
		}
	}
	printf("%d", ans);
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
money.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a + i);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	380 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct

Subtask #2
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	380 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	508 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	380 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	508 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	3 ms	1528 KB	Output is correct
38	Correct	3 ms	1656 KB	Output is correct

Subtask #4
55.0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	380 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	508 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	3 ms	1528 KB	Output is correct
38	Correct	3 ms	1656 KB	Output is correct
39	Correct	166 ms	2296 KB	Output is correct
40	Correct	332 ms	3704 KB	Output is correct
41	Correct	127 ms	1916 KB	Output is correct
42	Correct	159 ms	2040 KB	Output is correct
43	Correct	114 ms	1548 KB	Output is correct
44	Correct	379 ms	4464 KB	Output is correct
45	Correct	366 ms	4472 KB	Output is correct
46	Correct	408 ms	4600 KB	Output is correct
47	Correct	221 ms	4344 KB	Output is correct
48	Correct	297 ms	4392 KB	Output is correct
49	Correct	521 ms	8120 KB	Output is correct
50	Correct	485 ms	8312 KB	Output is correct
51	Correct	536 ms	8180 KB	Output is correct
52	Correct	494 ms	8184 KB	Output is correct
53	Correct	505 ms	8184 KB	Output is correct
54	Correct	492 ms	8304 KB	Output is correct
55	Correct	667 ms	8184 KB	Output is correct
56	Correct	669 ms	8152 KB	Output is correct
57	Correct	725 ms	8312 KB	Output is correct
58	Correct	666 ms	8196 KB	Output is correct
59	Correct	734 ms	8312 KB	Output is correct
60	Correct	667 ms	8184 KB	Output is correct
61	Correct	658 ms	8300 KB	Output is correct
62	Correct	672 ms	8184 KB	Output is correct

Submission #92526

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