답안 #37371 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37371	2017-12-24T17:50:19 Z	HardNut	Money (IZhO17_money)	C++14	45 / 100	1500 ms	52784 KB

money

#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 5;

typedef long long ll;

int n, a[N], ans, lst;
set<pair<int, int>> st;
bool us;

int main() {
//    freopen("money.in", "r", stdin);
//    freopen("money.out", "w", stdout);
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) {
        scanf("%d", &a[i]);
    }
    for (int i = 1; i <= n; i++) {
        st.insert({a[i], i});
        if (lst == a[i]) {
            if (us)
                st.erase({a[i], i});
            continue;
        }
        us = 0;
        lst = a[i];
        auto id = st.find({a[i], i});
        if (id == st.begin()) {
            ans++;
            continue;
        }
        id--;
        if ((*id).second == i - 1) {
            continue;
        }
        id = st.lower_bound({a[i], -1});
        if (id == st.begin()) {
            ans++;
            continue;
        }
        id--;
        if ((*id).second == i - 1) {
            us = 1;
            st.erase({a[i], i});
            continue;
        }
        ans++;
    }
    printf("%d", ans);
}
/**
6
1 5 2 5 5 6
**/

Compilation message

money.cpp: In function 'int main()':
money.cpp:16:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
money.cpp:18:27: 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

#	결과	메모리	Grader output
1	Correct	5924 KB	Output is correct
2	Correct	5924 KB	Output is correct
3	Correct	5924 KB	Output is correct
4	Correct	5924 KB	Output is correct
5	Correct	5924 KB	Output is correct
6	Correct	5924 KB	Output is correct
7	Correct	5924 KB	Output is correct
8	Correct	5924 KB	Output is correct
9	Correct	5924 KB	Output is correct
10	Correct	5924 KB	Output is correct
11	Correct	5924 KB	Output is correct
12	Correct	5924 KB	Output is correct
13	Correct	5924 KB	Output is correct
14	Correct	5924 KB	Output is correct
15	Correct	5924 KB	Output is correct
16	Correct	5924 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	메모리	Grader output
1	Correct	5924 KB	Output is correct
2	Correct	5924 KB	Output is correct
3	Correct	5924 KB	Output is correct
4	Correct	5924 KB	Output is correct
5	Correct	5924 KB	Output is correct
6	Correct	5924 KB	Output is correct
7	Correct	5924 KB	Output is correct
8	Correct	5924 KB	Output is correct
9	Correct	5924 KB	Output is correct
10	Correct	5924 KB	Output is correct
11	Correct	5924 KB	Output is correct
12	Correct	5924 KB	Output is correct
13	Correct	5924 KB	Output is correct
14	Correct	5924 KB	Output is correct
15	Correct	5924 KB	Output is correct
16	Correct	5924 KB	Output is correct
17	Correct	5924 KB	Output is correct
18	Correct	5924 KB	Output is correct
19	Correct	5924 KB	Output is correct
20	Correct	5924 KB	Output is correct
21	Correct	5924 KB	Output is correct
22	Correct	5924 KB	Output is correct
23	Correct	5924 KB	Output is correct
24	Correct	5924 KB	Output is correct
25	Correct	5924 KB	Output is correct
26	Correct	5924 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	메모리	Grader output
1	Correct	5924 KB	Output is correct
2	Correct	5924 KB	Output is correct
3	Correct	5924 KB	Output is correct
4	Correct	5924 KB	Output is correct
5	Correct	5924 KB	Output is correct
6	Correct	5924 KB	Output is correct
7	Correct	5924 KB	Output is correct
8	Correct	5924 KB	Output is correct
9	Correct	5924 KB	Output is correct
10	Correct	5924 KB	Output is correct
11	Correct	5924 KB	Output is correct
12	Correct	5924 KB	Output is correct
13	Correct	5924 KB	Output is correct
14	Correct	5924 KB	Output is correct
15	Correct	5924 KB	Output is correct
16	Correct	5924 KB	Output is correct
17	Correct	5924 KB	Output is correct
18	Correct	5924 KB	Output is correct
19	Correct	5924 KB	Output is correct
20	Correct	5924 KB	Output is correct
21	Correct	5924 KB	Output is correct
22	Correct	5924 KB	Output is correct
23	Correct	5924 KB	Output is correct
24	Correct	5924 KB	Output is correct
25	Correct	5924 KB	Output is correct
26	Correct	5924 KB	Output is correct
27	Correct	5924 KB	Output is correct
28	Correct	5924 KB	Output is correct
29	Correct	5924 KB	Output is correct
30	Correct	5924 KB	Output is correct
31	Correct	5924 KB	Output is correct
32	Correct	5924 KB	Output is correct
33	Correct	5924 KB	Output is correct
34	Correct	5924 KB	Output is correct
35	Correct	5924 KB	Output is correct
36	Correct	5924 KB	Output is correct
37	Correct	5924 KB	Output is correct
38	Correct	5924 KB	Output is correct

Subtask #4
0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	5924 KB	Output is correct
23	Correct	0 ms	5924 KB	Output is correct
24	Correct	0 ms	5924 KB	Output is correct
25	Correct	0 ms	5924 KB	Output is correct
26	Correct	0 ms	5924 KB	Output is correct
27	Correct	0 ms	5924 KB	Output is correct
28	Correct	0 ms	5924 KB	Output is correct
29	Correct	0 ms	5924 KB	Output is correct
30	Correct	0 ms	5924 KB	Output is correct
31	Correct	0 ms	5924 KB	Output is correct
32	Correct	0 ms	5924 KB	Output is correct
33	Correct	0 ms	5924 KB	Output is correct
34	Correct	0 ms	5924 KB	Output is correct
35	Correct	0 ms	5924 KB	Output is correct
36	Correct	0 ms	5924 KB	Output is correct
37	Correct	0 ms	5924 KB	Output is correct
38	Correct	0 ms	5924 KB	Output is correct
39	Correct	309 ms	24668 KB	Output is correct
40	Correct	706 ms	39848 KB	Output is correct
41	Correct	223 ms	20444 KB	Output is correct
42	Correct	259 ms	20972 KB	Output is correct
43	Correct	179 ms	16616 KB	Output is correct
44	Correct	789 ms	47636 KB	Output is correct
45	Correct	746 ms	46052 KB	Output is correct
46	Correct	853 ms	47636 KB	Output is correct
47	Correct	876 ms	29420 KB	Output is correct
48	Correct	693 ms	41168 KB	Output is correct
49	Correct	1333 ms	48824 KB	Output is correct
50	Correct	1313 ms	46976 KB	Output is correct
51	Correct	1393 ms	49880 KB	Output is correct
52	Correct	1423 ms	46976 KB	Output is correct
53	Correct	1309 ms	48032 KB	Output is correct
54	Correct	1213 ms	46976 KB	Output is correct
55	Execution timed out	1500 ms	52784 KB	Execution timed out
56	Halted	0 ms	0 KB	-

답안 #37371

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 55.0