oj.uz

답안 #207640

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
207640 2020-03-08T09:02:48 Z DystoriaX Bali Sculptures (APIO15_sculpture) C++14
71 / 100
 213 ms 504 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
int n, a, b;
int y[100010];
bool dp[1010][1010];
int dp2[2010];

long long pref[1010], 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 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 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 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 6 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 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 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 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 380 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 5 ms 376 KB Output is correct
30 Correct 5 ms 376 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 376 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 4 ms 376 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 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 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 380 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 380 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 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 7 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 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 4 ms 376 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 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 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 384 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 424 KB Output is correct
23 Correct 7 ms 376 KB Output is correct
24 Correct 7 ms 376 KB Output is correct
25 Correct 11 ms 376 KB Output is correct
26 Correct 14 ms 376 KB Output is correct
27 Correct 19 ms 376 KB Output is correct
28 Correct 26 ms 376 KB Output is correct
29 Correct 21 ms 376 KB Output is correct
30 Correct 22 ms 376 KB Output is correct
31 Correct 29 ms 380 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 4 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 5 ms 380 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 396 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 380 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 380 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 5 ms 380 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 380 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 380 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 376 KB Output is correct
41 Correct 7 ms 376 KB Output is correct
42 Correct 7 ms 376 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 8 ms 376 KB Output is correct
47 Correct 8 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 20 ms 376 KB Output is correct
51 Correct 24 ms 376 KB Output is correct
52 Correct 21 ms 504 KB Output is correct
53 Correct 22 ms 376 KB Output is correct
54 Correct 24 ms 376 KB Output is correct
55 Correct 25 ms 476 KB Output is correct
56 Correct 10 ms 376 KB Output is correct
57 Correct 21 ms 376 KB Output is correct
58 Correct 28 ms 376 KB Output is correct
59 Correct 35 ms 376 KB Output is correct
60 Correct 21 ms 376 KB Output is correct
61 Correct 21 ms 376 KB Output is correct
62 Correct 30 ms 376 KB Output is correct
63 Correct 30 ms 376 KB Output is correct
64 Correct 19 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 29 ms 504 KB Output is correct
69 Correct 35 ms 376 KB Output is correct
70 Correct 21 ms 376 KB Output is correct
71 Correct 21 ms 504 KB Output is correct
72 Correct 30 ms 504 KB Output is correct
73 Correct 31 ms 472 KB Output is correct
74 Correct 30 ms 376 KB Output is correct

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 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 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 380 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 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 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 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 6 ms 376 KB Output is correct
27 Correct 7 ms 376 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 420 KB Output is correct
32 Correct 8 ms 504 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 20 ms 376 KB Output is correct
38 Correct 25 ms 376 KB Output is correct
39 Correct 22 ms 504 KB Output is correct
40 Correct 22 ms 380 KB Output is correct
41 Correct 25 ms 376 KB Output is correct
42 Correct 26 ms 484 KB Output is correct
43 Correct 10 ms 376 KB Output is correct
44 Correct 21 ms 376 KB Output is correct
45 Correct 28 ms 376 KB Output is correct
46 Correct 35 ms 376 KB Output is correct
47 Correct 21 ms 504 KB Output is correct
48 Correct 21 ms 376 KB Output is correct
49 Correct 31 ms 376 KB Output is correct
50 Correct 30 ms 376 KB Output is correct
51 Correct 6 ms 380 KB Output is correct
52 Correct 35 ms 376 KB Output is correct
53 Correct 56 ms 376 KB Output is correct
54 Correct 100 ms 376 KB Output is correct
55 Correct 100 ms 376 KB Output is correct
56 Incorrect 213 ms 376 KB Output isn't correct
57 Halted 0 ms 0 KB -