답안 #37379 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37379	2017-12-25T03:21:30 Z	HardNut	Money (IZhO17_money)	C++14	45 / 100	1500 ms	6320 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() {
    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 = lower_bound(st.begin(), st.end(), make_pair(a[i], i));
        if (id == st.begin()) {
            ans++;
            continue;
        }
        id--;
        if ((*id).second == i - 1) {
            continue;
        }
        id = lower_bound(st.begin(), st.end(), 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:14:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
money.cpp:16:27: 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	Execution timed out	1500 ms	6320 KB	Execution timed out
40	Halted	0 ms	0 KB	-

답안 #37379

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