답안 #50305 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
50305	2018-06-10T00:56:34 Z	mra2322001	Money (IZhO17_money)	C++14	45 / 100	1500 ms	152264 KB

money

#include <bits/stdc++.h>
#define f0(i, n) for(int i(0); i<(n); i++)
#define f1(i, n) for(int i(1); i<=(n); i++)

using namespace std;
typedef long long ll;
const int N = 1e6 + 5;

int n, a[N], f[N];
set <int> s;

int solve(int u, int sl){
    if(u== n + 1) return printf("%d", sl), 0;
    int v = f[u];
    int l = u, r = v, ans = u;
    while(l <= r){
        int mid = (l + r)/2;
        auto it = s.lower_bound(a[mid]);
        --it;
        if(*it <= a[u]) l = mid + 1, ans = mid;
        else r = mid - 1;
    }
    for(int i = u; i <= ans; i++) s.insert(a[i]);
    solve(ans + 1, sl + 1);
}

int main(){
    ios_base::sync_with_stdio(0);

    scanf("%d", &n);
    f1(i, n) scanf("%d", &a[i]);
    for(int i = n; i >= 1; i--){
        if(i==n) f[i] = n;
        else{
            if(a[i] <= a[i + 1]) f[i] = f[i + 1];
            else f[i] = i;
        }
    }
    s.insert(0); s.insert(1e6 + 5);
    solve(1, 0);
}

Compilation message

money.cpp: In function 'int solve(int, int)':
money.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
money.cpp: In function 'int main()':
money.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
money.cpp:31:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     f1(i, n) 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	376 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	540 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	700 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	2 ms	704 KB	Output is correct
12	Correct	3 ms	704 KB	Output is correct
13	Correct	2 ms	704 KB	Output is correct
14	Correct	2 ms	768 KB	Output is correct
15	Correct	2 ms	772 KB	Output is correct
16	Correct	2 ms	776 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	376 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	540 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	700 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	2 ms	704 KB	Output is correct
12	Correct	3 ms	704 KB	Output is correct
13	Correct	2 ms	704 KB	Output is correct
14	Correct	2 ms	768 KB	Output is correct
15	Correct	2 ms	772 KB	Output is correct
16	Correct	2 ms	776 KB	Output is correct
17	Correct	2 ms	800 KB	Output is correct
18	Correct	2 ms	808 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	812 KB	Output is correct
21	Correct	4 ms	816 KB	Output is correct
22	Correct	2 ms	820 KB	Output is correct
23	Correct	2 ms	824 KB	Output is correct
24	Correct	2 ms	828 KB	Output is correct
25	Correct	2 ms	832 KB	Output is correct
26	Correct	2 ms	836 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	376 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	540 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	700 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	2 ms	704 KB	Output is correct
12	Correct	3 ms	704 KB	Output is correct
13	Correct	2 ms	704 KB	Output is correct
14	Correct	2 ms	768 KB	Output is correct
15	Correct	2 ms	772 KB	Output is correct
16	Correct	2 ms	776 KB	Output is correct
17	Correct	2 ms	800 KB	Output is correct
18	Correct	2 ms	808 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	812 KB	Output is correct
21	Correct	4 ms	816 KB	Output is correct
22	Correct	2 ms	820 KB	Output is correct
23	Correct	2 ms	824 KB	Output is correct
24	Correct	2 ms	828 KB	Output is correct
25	Correct	2 ms	832 KB	Output is correct
26	Correct	2 ms	836 KB	Output is correct
27	Correct	3 ms	840 KB	Output is correct
28	Correct	2 ms	844 KB	Output is correct
29	Correct	2 ms	976 KB	Output is correct
30	Correct	2 ms	976 KB	Output is correct
31	Correct	2 ms	976 KB	Output is correct
32	Correct	2 ms	976 KB	Output is correct
33	Correct	2 ms	976 KB	Output is correct
34	Correct	2 ms	976 KB	Output is correct
35	Correct	2 ms	976 KB	Output is correct
36	Correct	2 ms	976 KB	Output is correct
37	Correct	2 ms	976 KB	Output is correct
38	Correct	2 ms	976 KB	Output is correct

Subtask #4
0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	540 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	2 ms	700 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	2 ms	704 KB	Output is correct
12	Correct	3 ms	704 KB	Output is correct
13	Correct	2 ms	704 KB	Output is correct
14	Correct	2 ms	768 KB	Output is correct
15	Correct	2 ms	772 KB	Output is correct
16	Correct	2 ms	776 KB	Output is correct
17	Correct	2 ms	800 KB	Output is correct
18	Correct	2 ms	808 KB	Output is correct
19	Correct	2 ms	808 KB	Output is correct
20	Correct	2 ms	812 KB	Output is correct
21	Correct	4 ms	816 KB	Output is correct
22	Correct	2 ms	820 KB	Output is correct
23	Correct	2 ms	824 KB	Output is correct
24	Correct	2 ms	828 KB	Output is correct
25	Correct	2 ms	832 KB	Output is correct
26	Correct	2 ms	836 KB	Output is correct
27	Correct	3 ms	840 KB	Output is correct
28	Correct	2 ms	844 KB	Output is correct
29	Correct	2 ms	976 KB	Output is correct
30	Correct	2 ms	976 KB	Output is correct
31	Correct	2 ms	976 KB	Output is correct
32	Correct	2 ms	976 KB	Output is correct
33	Correct	2 ms	976 KB	Output is correct
34	Correct	2 ms	976 KB	Output is correct
35	Correct	2 ms	976 KB	Output is correct
36	Correct	2 ms	976 KB	Output is correct
37	Correct	2 ms	976 KB	Output is correct
38	Correct	2 ms	976 KB	Output is correct
39	Correct	98 ms	7800 KB	Output is correct
40	Correct	176 ms	15544 KB	Output is correct
41	Correct	72 ms	15544 KB	Output is correct
42	Correct	73 ms	17024 KB	Output is correct
43	Correct	54 ms	17944 KB	Output is correct
44	Correct	199 ms	30604 KB	Output is correct
45	Correct	192 ms	37352 KB	Output is correct
46	Correct	219 ms	44208 KB	Output is correct
47	Correct	192 ms	50988 KB	Output is correct
48	Correct	179 ms	57864 KB	Output is correct
49	Correct	655 ms	83176 KB	Output is correct
50	Correct	785 ms	90140 KB	Output is correct
51	Correct	806 ms	96720 KB	Output is correct
52	Correct	816 ms	103484 KB	Output is correct
53	Correct	677 ms	110152 KB	Output is correct
54	Correct	757 ms	117064 KB	Output is correct
55	Execution timed out	1533 ms	152264 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #50305

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