답안 #50307 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
50307	2018-06-10T01:05:30 Z	mra2322001	Money (IZhO17_money)	C++14	45 / 100	1500 ms	101684 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;
    auto it = s.upper_bound(a[u]);
    int x = *it;
    for(int k = u; k <= f[u]; k++){
        if(a[k] > x){
            solve(k, sl + 1);
            return 0;
        }
        else{
            s.insert(a[k]);
        }
    }
    solve(f[u] + 1, sl + 1);
    return 0;
}

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:15:9: warning: unused variable 'l' [-Wunused-variable]
     int l = u, r = v, ans = u;
         ^
money.cpp:15:16: warning: unused variable 'r' [-Wunused-variable]
     int l = u, r = v, ans = u;
                ^
money.cpp:15:23: warning: unused variable 'ans' [-Wunused-variable]
     int l = u, r = v, ans = u;
                       ^~~
money.cpp: In function 'int main()':
money.cpp:34:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
money.cpp:35:19: 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	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	3 ms	528 KB	Output is correct
8	Correct	2 ms	528 KB	Output is correct
9	Correct	2 ms	528 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	3 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	684 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	3 ms	684 KB	Output is correct
16	Correct	3 ms	684 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	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	3 ms	528 KB	Output is correct
8	Correct	2 ms	528 KB	Output is correct
9	Correct	2 ms	528 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	3 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	684 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	3 ms	684 KB	Output is correct
16	Correct	3 ms	684 KB	Output is correct
17	Correct	2 ms	684 KB	Output is correct
18	Correct	2 ms	684 KB	Output is correct
19	Correct	2 ms	684 KB	Output is correct
20	Correct	2 ms	748 KB	Output is correct
21	Correct	2 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 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	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	3 ms	528 KB	Output is correct
8	Correct	2 ms	528 KB	Output is correct
9	Correct	2 ms	528 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	3 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	684 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	3 ms	684 KB	Output is correct
16	Correct	3 ms	684 KB	Output is correct
17	Correct	2 ms	684 KB	Output is correct
18	Correct	2 ms	684 KB	Output is correct
19	Correct	2 ms	684 KB	Output is correct
20	Correct	2 ms	748 KB	Output is correct
21	Correct	2 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	2 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	2 ms	748 KB	Output is correct
31	Correct	2 ms	748 KB	Output is correct
32	Correct	3 ms	748 KB	Output is correct
33	Correct	2 ms	748 KB	Output is correct
34	Correct	2 ms	748 KB	Output is correct
35	Correct	2 ms	748 KB	Output is correct
36	Correct	2 ms	748 KB	Output is correct
37	Correct	3 ms	748 KB	Output is correct
38	Correct	2 ms	748 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	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	2 ms	480 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	3 ms	528 KB	Output is correct
8	Correct	2 ms	528 KB	Output is correct
9	Correct	2 ms	528 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	3 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	684 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	3 ms	684 KB	Output is correct
16	Correct	3 ms	684 KB	Output is correct
17	Correct	2 ms	684 KB	Output is correct
18	Correct	2 ms	684 KB	Output is correct
19	Correct	2 ms	684 KB	Output is correct
20	Correct	2 ms	748 KB	Output is correct
21	Correct	2 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	2 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	2 ms	748 KB	Output is correct
31	Correct	2 ms	748 KB	Output is correct
32	Correct	3 ms	748 KB	Output is correct
33	Correct	2 ms	748 KB	Output is correct
34	Correct	2 ms	748 KB	Output is correct
35	Correct	2 ms	748 KB	Output is correct
36	Correct	2 ms	748 KB	Output is correct
37	Correct	3 ms	748 KB	Output is correct
38	Correct	2 ms	748 KB	Output is correct
39	Correct	109 ms	19400 KB	Output is correct
40	Correct	194 ms	37632 KB	Output is correct
41	Correct	81 ms	37632 KB	Output is correct
42	Correct	93 ms	37632 KB	Output is correct
43	Correct	76 ms	37632 KB	Output is correct
44	Correct	225 ms	44948 KB	Output is correct
45	Correct	265 ms	44948 KB	Output is correct
46	Correct	245 ms	44964 KB	Output is correct
47	Correct	191 ms	44964 KB	Output is correct
48	Correct	236 ms	44964 KB	Output is correct
49	Correct	781 ms	66172 KB	Output is correct
50	Correct	709 ms	66172 KB	Output is correct
51	Correct	793 ms	68220 KB	Output is correct
52	Correct	796 ms	68220 KB	Output is correct
53	Correct	706 ms	68220 KB	Output is correct
54	Correct	698 ms	68220 KB	Output is correct
55	Execution timed out	1523 ms	101684 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #50307

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