답안 #44286 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
44286	2018-03-31T08:58:11 Z	Extazy	Money (IZhO17_money)	C++17	100 / 100	283 ms	152484 KB

money

#include <bits/stdc++.h>
#define endl '\n'

using namespace std;

const int N = 1000007;

int n,a[N],it[N],ans;

void update(int pos, int val) {
    for(;pos<N;pos+=pos&(-pos)) it[pos]+=val;
}

int query(int pos) {
    int ans=0;
    for(;pos>=1;pos-=pos&(-pos)) ans+=it[pos];
    return ans;
}

int query(int l, int r) {
    return l>r ? 0 : query(r)-query(l-1);
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int i,j;

    scanf("%d", &n);
    for(i=1;i<=n;i++) {
        scanf("%d", &a[i]);
    }

    for(i=1;i<=n;) {
        ++ans;

        j=i;
        while(j+1<=n && a[j]<=a[j+1] && query(a[i]+1,a[j+1]-1)==0) {
            ++j;
        }

        for(;i<=j;i++) {
            update(a[i],1);
        }
    }

    printf("%d\n", ans);
    
    return 0;
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
money.cpp:31:14: 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	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	644 KB	Output is correct
6	Correct	2 ms	644 KB	Output is correct
7	Correct	2 ms	644 KB	Output is correct
8	Correct	2 ms	644 KB	Output is correct
9	Correct	2 ms	644 KB	Output is correct
10	Correct	2 ms	644 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	752 KB	Output is correct
13	Correct	2 ms	752 KB	Output is correct
14	Correct	2 ms	752 KB	Output is correct
15	Correct	2 ms	920 KB	Output is correct
16	Correct	2 ms	920 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	644 KB	Output is correct
6	Correct	2 ms	644 KB	Output is correct
7	Correct	2 ms	644 KB	Output is correct
8	Correct	2 ms	644 KB	Output is correct
9	Correct	2 ms	644 KB	Output is correct
10	Correct	2 ms	644 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	752 KB	Output is correct
13	Correct	2 ms	752 KB	Output is correct
14	Correct	2 ms	752 KB	Output is correct
15	Correct	2 ms	920 KB	Output is correct
16	Correct	2 ms	920 KB	Output is correct
17	Correct	2 ms	920 KB	Output is correct
18	Correct	2 ms	920 KB	Output is correct
19	Correct	2 ms	920 KB	Output is correct
20	Correct	3 ms	920 KB	Output is correct
21	Correct	2 ms	920 KB	Output is correct
22	Correct	2 ms	920 KB	Output is correct
23	Correct	2 ms	920 KB	Output is correct
24	Correct	3 ms	920 KB	Output is correct
25	Correct	2 ms	920 KB	Output is correct
26	Correct	2 ms	1028 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	644 KB	Output is correct
6	Correct	2 ms	644 KB	Output is correct
7	Correct	2 ms	644 KB	Output is correct
8	Correct	2 ms	644 KB	Output is correct
9	Correct	2 ms	644 KB	Output is correct
10	Correct	2 ms	644 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	752 KB	Output is correct
13	Correct	2 ms	752 KB	Output is correct
14	Correct	2 ms	752 KB	Output is correct
15	Correct	2 ms	920 KB	Output is correct
16	Correct	2 ms	920 KB	Output is correct
17	Correct	2 ms	920 KB	Output is correct
18	Correct	2 ms	920 KB	Output is correct
19	Correct	2 ms	920 KB	Output is correct
20	Correct	3 ms	920 KB	Output is correct
21	Correct	2 ms	920 KB	Output is correct
22	Correct	2 ms	920 KB	Output is correct
23	Correct	2 ms	920 KB	Output is correct
24	Correct	3 ms	920 KB	Output is correct
25	Correct	2 ms	920 KB	Output is correct
26	Correct	2 ms	1028 KB	Output is correct
27	Correct	2 ms	1028 KB	Output is correct
28	Correct	2 ms	1028 KB	Output is correct
29	Correct	2 ms	1028 KB	Output is correct
30	Correct	2 ms	1028 KB	Output is correct
31	Correct	2 ms	1028 KB	Output is correct
32	Correct	2 ms	1028 KB	Output is correct
33	Correct	2 ms	1028 KB	Output is correct
34	Correct	2 ms	1028 KB	Output is correct
35	Correct	2 ms	1028 KB	Output is correct
36	Correct	2 ms	1028 KB	Output is correct
37	Correct	3 ms	2028 KB	Output is correct
38	Correct	3 ms	2156 KB	Output is correct

Subtask #4
55.0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	644 KB	Output is correct
6	Correct	2 ms	644 KB	Output is correct
7	Correct	2 ms	644 KB	Output is correct
8	Correct	2 ms	644 KB	Output is correct
9	Correct	2 ms	644 KB	Output is correct
10	Correct	2 ms	644 KB	Output is correct
11	Correct	2 ms	752 KB	Output is correct
12	Correct	2 ms	752 KB	Output is correct
13	Correct	2 ms	752 KB	Output is correct
14	Correct	2 ms	752 KB	Output is correct
15	Correct	2 ms	920 KB	Output is correct
16	Correct	2 ms	920 KB	Output is correct
17	Correct	2 ms	920 KB	Output is correct
18	Correct	2 ms	920 KB	Output is correct
19	Correct	2 ms	920 KB	Output is correct
20	Correct	3 ms	920 KB	Output is correct
21	Correct	2 ms	920 KB	Output is correct
22	Correct	2 ms	920 KB	Output is correct
23	Correct	2 ms	920 KB	Output is correct
24	Correct	3 ms	920 KB	Output is correct
25	Correct	2 ms	920 KB	Output is correct
26	Correct	2 ms	1028 KB	Output is correct
27	Correct	2 ms	1028 KB	Output is correct
28	Correct	2 ms	1028 KB	Output is correct
29	Correct	2 ms	1028 KB	Output is correct
30	Correct	2 ms	1028 KB	Output is correct
31	Correct	2 ms	1028 KB	Output is correct
32	Correct	2 ms	1028 KB	Output is correct
33	Correct	2 ms	1028 KB	Output is correct
34	Correct	2 ms	1028 KB	Output is correct
35	Correct	2 ms	1028 KB	Output is correct
36	Correct	2 ms	1028 KB	Output is correct
37	Correct	3 ms	2028 KB	Output is correct
38	Correct	3 ms	2156 KB	Output is correct
39	Correct	112 ms	6128 KB	Output is correct
40	Correct	164 ms	12808 KB	Output is correct
41	Correct	78 ms	13668 KB	Output is correct
42	Correct	83 ms	16012 KB	Output is correct
43	Correct	59 ms	17168 KB	Output is correct
44	Correct	263 ms	26908 KB	Output is correct
45	Correct	201 ms	33508 KB	Output is correct
46	Correct	208 ms	40332 KB	Output is correct
47	Correct	266 ms	47152 KB	Output is correct
48	Correct	194 ms	53936 KB	Output is correct
49	Correct	239 ms	64728 KB	Output is correct
50	Correct	227 ms	71400 KB	Output is correct
51	Correct	225 ms	78148 KB	Output is correct
52	Correct	276 ms	85128 KB	Output is correct
53	Correct	226 ms	91868 KB	Output is correct
54	Correct	203 ms	98276 KB	Output is correct
55	Correct	236 ms	105080 KB	Output is correct
56	Correct	263 ms	111912 KB	Output is correct
57	Correct	231 ms	118640 KB	Output is correct
58	Correct	233 ms	125396 KB	Output is correct
59	Correct	272 ms	132052 KB	Output is correct
60	Correct	260 ms	138872 KB	Output is correct
61	Correct	283 ms	145668 KB	Output is correct
62	Correct	235 ms	152484 KB	Output is correct

답안 #44286

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