답안 #37381 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37381	2017-12-25T03:23:43 Z	HardNut	Money (IZhO17_money)	C++14	45 / 100	1500 ms	48824 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]);
        if (lst == a[i]) {
            if (us)
                st.erase({a[i], i});
            else
                st.insert({a[i], i});
            continue;
        }
        st.insert({a[i], i});
        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(make_pair(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	376 ms	24668 KB	Output is correct
40	Correct	776 ms	39848 KB	Output is correct
41	Correct	276 ms	20444 KB	Output is correct
42	Correct	366 ms	20972 KB	Output is correct
43	Correct	196 ms	16616 KB	Output is correct
44	Correct	913 ms	47636 KB	Output is correct
45	Correct	846 ms	46052 KB	Output is correct
46	Correct	883 ms	47636 KB	Output is correct
47	Correct	836 ms	29420 KB	Output is correct
48	Correct	706 ms	41168 KB	Output is correct
49	Execution timed out	1500 ms	48824 KB	Execution timed out
50	Halted	0 ms	0 KB	-

답안 #37381

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