답안 #35197 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
35197	2017-11-18T16:34:03 Z	ulna	Money (IZhO17_money)	C++11	100 / 100	189 ms	9828 KB

money

#include <bits/stdc++.h>
using namespace std;
 
// why am I so weak
 
int n;
int a[1000055];
int dat[1000055];
 
inline void read(int &x) {
	x = 0;
	char ch = 0;
 
	while (ch < '0' || ch > '9') ch = getchar();
 
	while (ch >= '0' && ch <= '9') {
		x = x * 10 + (ch - '0');
		ch = getchar();
	}
}
void add(int id) {
	int val = id;

	while (id < (int)1e6) {
		dat[id] = max(dat[id], val);
		id |= (id + 1);
	}
}
int get(int id) {
	int res = -1;

	while (id >= 0) {
		res = max(res, dat[id]);
		id = (id & (id + 1)) - 1;
	}

	return res;
}
int main() {
	scanf("%d", &n);
 
	for (int i = 0; i < n; i++) {
		read(a[i]);
		a[i] = (int)1e6 - a[i];
	}
 
	int lb = 0, ub = (int)1e7;
	int res = 1;
 
	for (int i = 0; i < n; i++) {
		if (lb <= a[i] && a[i] <= ub) {
			add(a[i]);
			ub = a[i];
			continue;
		}
 
		ub = a[i];
		lb = get(a[i] - 1);
 
		res++;
		add(a[i]);
	}
 
	printf("%d\n", res);
 
	return 0;
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:40:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^

Subtask #1
9.0 / 9.0

#	결과	메모리	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

#	결과	메모리	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

#	결과	메모리	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

#	결과	실행 시간	메모리	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	56 ms	9828 KB	Output is correct
40	Correct	89 ms	9828 KB	Output is correct
41	Correct	36 ms	9828 KB	Output is correct
42	Correct	46 ms	9828 KB	Output is correct
43	Correct	26 ms	9828 KB	Output is correct
44	Correct	139 ms	9828 KB	Output is correct
45	Correct	163 ms	9828 KB	Output is correct
46	Correct	123 ms	9828 KB	Output is correct
47	Correct	133 ms	9828 KB	Output is correct
48	Correct	129 ms	9828 KB	Output is correct
49	Correct	156 ms	9828 KB	Output is correct
50	Correct	143 ms	9828 KB	Output is correct
51	Correct	126 ms	9828 KB	Output is correct
52	Correct	126 ms	9828 KB	Output is correct
53	Correct	149 ms	9828 KB	Output is correct
54	Correct	109 ms	9828 KB	Output is correct
55	Correct	169 ms	9828 KB	Output is correct
56	Correct	159 ms	9828 KB	Output is correct
57	Correct	146 ms	9828 KB	Output is correct
58	Correct	156 ms	9828 KB	Output is correct
59	Correct	189 ms	9828 KB	Output is correct
60	Correct	129 ms	9828 KB	Output is correct
61	Correct	139 ms	9828 KB	Output is correct
62	Correct	139 ms	9828 KB	Output is correct

답안 #35197

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