Submission #37387

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
37387	2017-12-25T03:44:20 Z	HardNut	Money (IZhO17_money)	C++14	100 / 100	346 ms	9828 KB

money

#include <bits/stdc++.h>
using namespace std;
const int MAX = (1e6)+1;
 
int n, ans = 1, a[MAX], f[MAX];
void update(int i) { while(i < MAX) ++f[i], i += i & -i; }
int query(int i) {
	int ret = 0;
	while(i > 0) ret += f[i], i -= i & -i;
	return ret;
}
int main() {
	scanf("%d",&n);
	for(int i = 0; i < n; i++) scanf("%d", a+i);
	for(int i = 1, last = 0; i < n; i++) {
		if(a[i] < a[i-1] || query(a[i]-1) - query(a[last]) > 0) {
			++ans;
			while(last < i) update(a[last++]);
		}
	}
	printf("%d", ans);
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:13:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
money.cpp:14:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < n; i++) scanf("%d", a+i);
                                             ^

Subtask #1
9.0 / 9.0

#	Verdict	Memory	Grader output
1	Correct	9828 KB	Output is correct
2	Correct	9828 KB	Output is correct
3	Correct	9828 KB	Output is correct
4	Correct	9828 KB	Output is correct
5	Correct	9828 KB	Output is correct
6	Correct	9828 KB	Output is correct
7	Correct	9828 KB	Output is correct
8	Correct	9828 KB	Output is correct
9	Correct	9828 KB	Output is correct
10	Correct	9828 KB	Output is correct
11	Correct	9828 KB	Output is correct
12	Correct	9828 KB	Output is correct
13	Correct	9828 KB	Output is correct
14	Correct	9828 KB	Output is correct
15	Correct	9828 KB	Output is correct
16	Correct	9828 KB	Output is correct

Subtask #2
16.0 / 16.0

#	Verdict	Memory	Grader output
1	Correct	9828 KB	Output is correct
2	Correct	9828 KB	Output is correct
3	Correct	9828 KB	Output is correct
4	Correct	9828 KB	Output is correct
5	Correct	9828 KB	Output is correct
6	Correct	9828 KB	Output is correct
7	Correct	9828 KB	Output is correct
8	Correct	9828 KB	Output is correct
9	Correct	9828 KB	Output is correct
10	Correct	9828 KB	Output is correct
11	Correct	9828 KB	Output is correct
12	Correct	9828 KB	Output is correct
13	Correct	9828 KB	Output is correct
14	Correct	9828 KB	Output is correct
15	Correct	9828 KB	Output is correct
16	Correct	9828 KB	Output is correct
17	Correct	9828 KB	Output is correct
18	Correct	9828 KB	Output is correct
19	Correct	9828 KB	Output is correct
20	Correct	9828 KB	Output is correct
21	Correct	9828 KB	Output is correct
22	Correct	9828 KB	Output is correct
23	Correct	9828 KB	Output is correct
24	Correct	9828 KB	Output is correct
25	Correct	9828 KB	Output is correct
26	Correct	9828 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Memory	Grader output
1	Correct	9828 KB	Output is correct
2	Correct	9828 KB	Output is correct
3	Correct	9828 KB	Output is correct
4	Correct	9828 KB	Output is correct
5	Correct	9828 KB	Output is correct
6	Correct	9828 KB	Output is correct
7	Correct	9828 KB	Output is correct
8	Correct	9828 KB	Output is correct
9	Correct	9828 KB	Output is correct
10	Correct	9828 KB	Output is correct
11	Correct	9828 KB	Output is correct
12	Correct	9828 KB	Output is correct
13	Correct	9828 KB	Output is correct
14	Correct	9828 KB	Output is correct
15	Correct	9828 KB	Output is correct
16	Correct	9828 KB	Output is correct
17	Correct	9828 KB	Output is correct
18	Correct	9828 KB	Output is correct
19	Correct	9828 KB	Output is correct
20	Correct	9828 KB	Output is correct
21	Correct	9828 KB	Output is correct
22	Correct	9828 KB	Output is correct
23	Correct	9828 KB	Output is correct
24	Correct	9828 KB	Output is correct
25	Correct	9828 KB	Output is correct
26	Correct	9828 KB	Output is correct
27	Correct	9828 KB	Output is correct
28	Correct	9828 KB	Output is correct
29	Correct	9828 KB	Output is correct
30	Correct	9828 KB	Output is correct
31	Correct	9828 KB	Output is correct
32	Correct	9828 KB	Output is correct
33	Correct	9828 KB	Output is correct
34	Correct	9828 KB	Output is correct
35	Correct	9828 KB	Output is correct
36	Correct	9828 KB	Output is correct
37	Correct	9828 KB	Output is correct
38	Correct	9828 KB	Output is correct

Subtask #4
55.0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	9828 KB	Output is correct
2	Correct	0 ms	9828 KB	Output is correct
3	Correct	0 ms	9828 KB	Output is correct
4	Correct	0 ms	9828 KB	Output is correct
5	Correct	0 ms	9828 KB	Output is correct
6	Correct	0 ms	9828 KB	Output is correct
7	Correct	0 ms	9828 KB	Output is correct
8	Correct	0 ms	9828 KB	Output is correct
9	Correct	0 ms	9828 KB	Output is correct
10	Correct	0 ms	9828 KB	Output is correct
11	Correct	0 ms	9828 KB	Output is correct
12	Correct	0 ms	9828 KB	Output is correct
13	Correct	0 ms	9828 KB	Output is correct
14	Correct	0 ms	9828 KB	Output is correct
15	Correct	0 ms	9828 KB	Output is correct
16	Correct	0 ms	9828 KB	Output is correct
17	Correct	0 ms	9828 KB	Output is correct
18	Correct	0 ms	9828 KB	Output is correct
19	Correct	0 ms	9828 KB	Output is correct
20	Correct	0 ms	9828 KB	Output is correct
21	Correct	0 ms	9828 KB	Output is correct
22	Correct	0 ms	9828 KB	Output is correct
23	Correct	0 ms	9828 KB	Output is correct
24	Correct	0 ms	9828 KB	Output is correct
25	Correct	0 ms	9828 KB	Output is correct
26	Correct	0 ms	9828 KB	Output is correct
27	Correct	0 ms	9828 KB	Output is correct
28	Correct	0 ms	9828 KB	Output is correct
29	Correct	0 ms	9828 KB	Output is correct
30	Correct	0 ms	9828 KB	Output is correct
31	Correct	0 ms	9828 KB	Output is correct
32	Correct	0 ms	9828 KB	Output is correct
33	Correct	0 ms	9828 KB	Output is correct
34	Correct	0 ms	9828 KB	Output is correct
35	Correct	0 ms	9828 KB	Output is correct
36	Correct	0 ms	9828 KB	Output is correct
37	Correct	0 ms	9828 KB	Output is correct
38	Correct	0 ms	9828 KB	Output is correct
39	Correct	103 ms	9828 KB	Output is correct
40	Correct	176 ms	9828 KB	Output is correct
41	Correct	89 ms	9828 KB	Output is correct
42	Correct	86 ms	9828 KB	Output is correct
43	Correct	53 ms	9828 KB	Output is correct
44	Correct	199 ms	9828 KB	Output is correct
45	Correct	219 ms	9828 KB	Output is correct
46	Correct	206 ms	9828 KB	Output is correct
47	Correct	219 ms	9828 KB	Output is correct
48	Correct	203 ms	9828 KB	Output is correct
49	Correct	236 ms	9828 KB	Output is correct
50	Correct	226 ms	9828 KB	Output is correct
51	Correct	243 ms	9828 KB	Output is correct
52	Correct	216 ms	9828 KB	Output is correct
53	Correct	226 ms	9828 KB	Output is correct
54	Correct	229 ms	9828 KB	Output is correct
55	Correct	253 ms	9828 KB	Output is correct
56	Correct	259 ms	9828 KB	Output is correct
57	Correct	253 ms	9828 KB	Output is correct
58	Correct	243 ms	9828 KB	Output is correct
59	Correct	249 ms	9828 KB	Output is correct
60	Correct	279 ms	9828 KB	Output is correct
61	Correct	346 ms	9828 KB	Output is correct
62	Correct	286 ms	9828 KB	Output is correct

Submission #37387

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