oj.uz

Submission #107962

# Submission time Handle Problem Language Result Execution time Memory
107962 2019-04-26T10:51:05 Z dfistric Bali Sculptures (APIO15_sculpture) C++14
0 / 100
 59 ms 812 KB 
#include <bits/stdc++.h>

#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define FORd(i, a, b) for (int i = (a); i >= (b); i--)
#define REP(i, n) FOR(i, 0, n)
#define ll long long

using namespace std;

const int MAXN = 2010;
ll arr[MAXN], pref[MAXN];
int n, a, b;
int dp[MAXN], out = 0;
int dp2[MAXN][MAXN];

ll val(ll sum) {
    return ((((1LL << 60) - 1) - out) & sum);
}

int solve(int x) {
    REP(i, n) {
        dp[i] = 1e9;
        if (val(pref[i]) < (1LL << x)) dp[i] = 1;
        REP(j, i) {
            if (val(pref[i] - pref[j]) < (1LL << x)) dp[i] = min(dp[i], dp[j] + 1);
        }
    }
    return dp[n - 1];
}

void solve2(int x) {
    REP(i, n) {
        dp2[i][1] = 0;
        if (val(pref[i]) < (1LL << x)) dp2[i][1] = 1;
        FOR(j, 2, n) {
            dp2[i][j] = 0;
            REP(k, i) {
                if (val(pref[i] - pref[k]) < (1LL << x)) dp2[i][j] = max(dp2[i][j], dp2[k][j - 1]);
            }
        }
    }
    return;
}

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

    cin >> n >> a >> b;
    REP(i, n) cin >> arr[i];
    REP(i, n) {
        pref[i] = arr[i];
        if (i) pref[i] += pref[i - 1];
    }

    /*if (a == 1) {
        FORd(i, 50, 0) {
            if (solve(i) > b) out |= (1LL << i); 
        }
        cout << out << "\n";
    } else {*/
        FORd(i, 50, 0) {
            solve2(i);
            int fl = 0;
            FOR(j, a, b + 1) fl = max(fl, dp2[n - 1][j]);

            if (!fl) out |= (1LL << i);
        }
        cout << out << "\n";
    //}

    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Incorrect 2 ms 384 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Incorrect 3 ms 384 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 7 ms 512 KB Output is correct
18 Correct 9 ms 512 KB Output is correct
19 Correct 9 ms 640 KB Output is correct
20 Correct 9 ms 540 KB Output is correct
21 Correct 9 ms 640 KB Output is correct
22 Correct 9 ms 512 KB Output is correct
23 Correct 11 ms 640 KB Output is correct
24 Correct 13 ms 640 KB Output is correct
25 Correct 24 ms 640 KB Output is correct
26 Correct 29 ms 640 KB Output is correct
27 Correct 44 ms 768 KB Output is correct
28 Correct 59 ms 768 KB Output is correct
29 Incorrect 50 ms 812 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 316 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Incorrect 2 ms 384 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Incorrect 3 ms 384 KB Output isn't correct
18 Halted 0 ms 0 KB -