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Submission #244821

# Submission time Handle Problem Language Result Execution time Memory
244821 2020-07-05T06:52:20 Z NONAME Kas (COCI17_kas) C++14
20 / 100
 549 ms 524292 KB 
#include <bits/stdc++.h>
#define dbg(x) cerr << #x << " = " << x << "\n"
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie()
using namespace std;
using ll = long long;

const int fx = -(3e5 + 100);

int n, a[1000], f[500][int(3e5) + 100], total;

int rec(int p, int cur) {
    if (p == n)
        return (cur == 0) ? 0 : fx;

    if (f[p][int(1e5) + cur] != fx)
        return f[p][cur];

    int res = fx;
    res = max(res, max(rec(p + 1, cur),
                   max(rec(p + 1, cur - a[p]), rec(p + 1, cur + a[p]) + a[p])));

    return f[p][int(1e5) + cur] = res;
}

int main() {
    fast_io;

    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
        total += a[i];
    }

    for (int i = 0; i < n; ++i)
    for (int j = 0; j <= 3e5; ++j)
        f[i][j] = fx;

    int res = rec(0, 0);
    cout << res + (total - 2 * res) << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Correct 13 ms 12032 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 12032 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Incorrect 13 ms 13312 KB Output isn't correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 14464 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 15616 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 41464 KB Output is correct
2 Incorrect 38 ms 47360 KB Output isn't correct

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 41 ms 53144 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 341 ms 235312 KB Output is correct
2 Correct 264 ms 294008 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 455 ms 352776 KB Output is correct
2 Incorrect 549 ms 470136 KB Output isn't correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 333 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -