oj.uz

Submission #249155

# Submission time Handle Problem Language Result Execution time Memory
249155 2020-07-14T12:40:22 Z rdd6584 Bali Sculptures (APIO15_sculpture) C++14
21 / 100
 2 ms 384 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

int n, a, b;
int vec[2000];
int dist[2000];
int dp[100][101];
ll fil;

int go(int o, int k) {
    if (o == n) return a <= k && k <= b;
    if (dp[o][k] != -1) return dp[o][k];

    int ret = 0;
    ll sum = 0;
    for (int i = o; i < n; i++) {
        sum += vec[i];
        if (sum & (fil));
        else ret = max(ret, go(o+1, k+1));
    }
    return dp[o][k] = ret;
}

int miv(int o) {
    if (o == n) return 0;
    if (dist[o] != -1) return dist[o];

    int ret = 1e9;
    ll sum = 0;
    for (int i = o; i < n; i++) {
        sum += vec[i];
        if (sum & fil);
        else ret = min(ret, miv(i+1));
    }
    return dist[o] = ret + 1;
}

int main() {
    scanf("%d %d %d", &n ,&a, &b);
    for (int i = 0; i < n; i++) scanf("%d", &vec[i]);

    // 이 비트를 끌 수 있는 지?
    // 그게 아닌 경우는... 켜도 된다.
    for (int i = 50; i >= 0; i--) {
        ll tmp = fil;
        fil = tmp|(1LL<<i);

        if (a == 1) {
            memset(dist, -1, sizeof(dist));
            int k = miv(0);
            if (k <= b) tmp = fil;
        }
        else {
            memset(dp, -1, sizeof(dp));
            int k = go(0,0);
            if (k) tmp = fil;
        }
        fil = tmp;
    }

    ll ret = 0;
    for (int i = 50; i >= 0; i--) {
        if (fil & (1<<i));
        else ret |= 1<<i;
    }
    printf("%lld", ret);
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:41:10: 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:42:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 0; i < n; i++) scanf("%d", &vec[i]);
                                 ~~~~~^~~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Incorrect 1 ms 384 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Incorrect 0 ms 384 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Incorrect 0 ms 384 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Incorrect 0 ms 384 KB Output isn't correct
18 Halted 0 ms 0 KB -