답안 #207646

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
207646	2020-03-08T09:15:25 Z	DystoriaX	Bali Sculptures (APIO15_sculpture)	C++14	100 / 100	394 ms	504 KB

sculpture

#include <bits/stdc++.h>
 
using namespace std;
 
int n, a, b;
int y[2010];
bool dp[110][110];
int dp2[2010];

long long pref[2010], mx;
const int lgmx = 41;

long long lsb(long long x){
    return x & (-x);
}

bool check(){
    for(int i = 0; i <= n; i++)
        for(int j = 0; j <= n; j++)
            dp[i][j] = false;
 
    dp[0][0] = true;
 
    for(int j = 1; j <= n; j++){
        for(int i = j; i <= n; i++){
            for(int k = j - 1; k < i; k++){
                long long sum = pref[i] - pref[k];

                if(lsb(mx & sum) != lsb(mx) && (sum & (~mx)) <= lsb(mx)){
                    dp[i][j] |= dp[k][j - 1];
                }
            }
        }
    }

    bool ret = false;

    for(int i = a; i <= b; i++){
        ret |= dp[n][i];
    }

    return ret;
}

void solve1(){
    for(int i = lgmx; i >= 0; i--){
        long long tmp = mx;

        mx |= (1LL << i);

        if(check()) mx = tmp;
    }
 
    printf("%lld\n", mx);
}

bool check2(){
    for(int i = 0; i <= 2000; i++) dp2[i] = 1e9;

    dp2[0] = 0;

    for(int i = 0; i <= n; i++){
        for(int k = i + 1; k <= n; k++){
            long long sum = pref[k] - pref[i];

            if(lsb(mx & sum) != lsb(mx) && (sum & (~mx)) <= lsb(mx)){
                dp2[k] = min(dp2[k], dp2[i] + 1);
            }
        }
    }

    return dp2[n] <= b;
}

void solve2(){
    for(int i = lgmx; i >= 0; i--){
        long long tmp = mx;

        mx |= (1LL << i);

        if(check2()) mx = tmp;
    }

    printf("%lld\n", mx);
}
 
int main(){
    // freopen("input.txt", "r", stdin);

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

    if(n <= 100) solve1();
    else solve2();
    
    return 0;
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:90:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &a, &b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:93:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &y[i]);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	256 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	256 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	256 KB	Output is correct
28	Correct	5 ms	256 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	5 ms	256 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	5 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	5 ms	376 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	5 ms	256 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	380 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	352 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	4 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	6 ms	376 KB	Output is correct
30	Correct	6 ms	256 KB	Output is correct
31	Correct	7 ms	376 KB	Output is correct
32	Correct	7 ms	376 KB	Output is correct
33	Correct	7 ms	376 KB	Output is correct
34	Correct	7 ms	376 KB	Output is correct
35	Correct	8 ms	376 KB	Output is correct
36	Correct	7 ms	376 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	256 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	6 ms	376 KB	Output is correct
17	Correct	6 ms	376 KB	Output is correct
18	Correct	7 ms	376 KB	Output is correct
19	Correct	7 ms	376 KB	Output is correct
20	Correct	7 ms	376 KB	Output is correct
21	Correct	7 ms	376 KB	Output is correct
22	Correct	7 ms	376 KB	Output is correct
23	Correct	7 ms	376 KB	Output is correct
24	Correct	8 ms	376 KB	Output is correct
25	Correct	10 ms	376 KB	Output is correct
26	Correct	14 ms	380 KB	Output is correct
27	Correct	19 ms	376 KB	Output is correct
28	Correct	24 ms	376 KB	Output is correct
29	Correct	22 ms	376 KB	Output is correct
30	Correct	23 ms	376 KB	Output is correct
31	Correct	24 ms	376 KB	Output is correct
32	Correct	25 ms	376 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	4 ms	256 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	380 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	256 KB	Output is correct
27	Correct	4 ms	256 KB	Output is correct
28	Correct	5 ms	256 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct
31	Correct	5 ms	248 KB	Output is correct
32	Correct	5 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	5 ms	376 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	5 ms	376 KB	Output is correct
37	Correct	5 ms	376 KB	Output is correct
38	Correct	5 ms	376 KB	Output is correct
39	Correct	6 ms	376 KB	Output is correct
40	Correct	6 ms	256 KB	Output is correct
41	Correct	7 ms	376 KB	Output is correct
42	Correct	7 ms	380 KB	Output is correct
43	Correct	7 ms	376 KB	Output is correct
44	Correct	7 ms	376 KB	Output is correct
45	Correct	7 ms	376 KB	Output is correct
46	Correct	7 ms	376 KB	Output is correct
47	Correct	7 ms	376 KB	Output is correct
48	Correct	10 ms	376 KB	Output is correct
49	Correct	14 ms	376 KB	Output is correct
50	Correct	19 ms	376 KB	Output is correct
51	Correct	24 ms	376 KB	Output is correct
52	Correct	21 ms	376 KB	Output is correct
53	Correct	21 ms	376 KB	Output is correct
54	Correct	25 ms	376 KB	Output is correct
55	Correct	25 ms	376 KB	Output is correct
56	Correct	10 ms	376 KB	Output is correct
57	Correct	20 ms	380 KB	Output is correct
58	Correct	27 ms	376 KB	Output is correct
59	Correct	34 ms	376 KB	Output is correct
60	Correct	21 ms	380 KB	Output is correct
61	Correct	18 ms	376 KB	Output is correct
62	Correct	28 ms	376 KB	Output is correct
63	Correct	28 ms	380 KB	Output is correct
64	Correct	18 ms	376 KB	Output is correct
65	Correct	10 ms	376 KB	Output is correct
66	Correct	14 ms	376 KB	Output is correct
67	Correct	20 ms	376 KB	Output is correct
68	Correct	28 ms	376 KB	Output is correct
69	Correct	34 ms	376 KB	Output is correct
70	Correct	19 ms	376 KB	Output is correct
71	Correct	26 ms	376 KB	Output is correct
72	Correct	28 ms	376 KB	Output is correct
73	Correct	28 ms	376 KB	Output is correct
74	Correct	28 ms	376 KB	Output is correct

Subtask #5
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	256 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	6 ms	256 KB	Output is correct
27	Correct	6 ms	256 KB	Output is correct
28	Correct	7 ms	376 KB	Output is correct
29	Correct	7 ms	376 KB	Output is correct
30	Correct	7 ms	376 KB	Output is correct
31	Correct	7 ms	376 KB	Output is correct
32	Correct	7 ms	376 KB	Output is correct
33	Correct	7 ms	376 KB	Output is correct
34	Correct	7 ms	376 KB	Output is correct
35	Correct	10 ms	376 KB	Output is correct
36	Correct	14 ms	376 KB	Output is correct
37	Correct	19 ms	376 KB	Output is correct
38	Correct	24 ms	376 KB	Output is correct
39	Correct	22 ms	504 KB	Output is correct
40	Correct	21 ms	380 KB	Output is correct
41	Correct	24 ms	376 KB	Output is correct
42	Correct	24 ms	376 KB	Output is correct
43	Correct	9 ms	376 KB	Output is correct
44	Correct	20 ms	376 KB	Output is correct
45	Correct	27 ms	376 KB	Output is correct
46	Correct	34 ms	296 KB	Output is correct
47	Correct	19 ms	376 KB	Output is correct
48	Correct	19 ms	376 KB	Output is correct
49	Correct	29 ms	376 KB	Output is correct
50	Correct	29 ms	376 KB	Output is correct
51	Correct	6 ms	376 KB	Output is correct
52	Correct	34 ms	376 KB	Output is correct
53	Correct	54 ms	376 KB	Output is correct
54	Correct	98 ms	376 KB	Output is correct
55	Correct	95 ms	392 KB	Output is correct
56	Correct	394 ms	376 KB	Output is correct
57	Correct	392 ms	380 KB	Output is correct
58	Correct	219 ms	376 KB	Output is correct
59	Correct	126 ms	504 KB	Output is correct
60	Correct	128 ms	376 KB	Output is correct
61	Correct	5 ms	376 KB	Output is correct
62	Correct	53 ms	376 KB	Output is correct
63	Correct	96 ms	376 KB	Output is correct
64	Correct	91 ms	376 KB	Output is correct
65	Correct	172 ms	376 KB	Output is correct
66	Correct	245 ms	504 KB	Output is correct
67	Correct	304 ms	376 KB	Output is correct
68	Correct	303 ms	376 KB	Output is correct
69	Correct	299 ms	376 KB	Output is correct

답안 #207646

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 21.0 / 21.0

Subtask #4 25.0 / 25.0

Subtask #5 29.0 / 29.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
21.0 / 21.0

Subtask #4
25.0 / 25.0

Subtask #5
29.0 / 29.0