oj.uz

Submission #533895

# Submission time Handle Problem Language Result Execution time Memory
533895 2022-03-07T14:59:58 Z idas Feast (NOI19_feast) C++11
41 / 100
 35 ms 59052 KB 
#include <bits/stdc++.h>
#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr)
#define FOR(i, begin, end) for(int i = (begin); i < (end); i++)
#define TSTS int ttt; cin >> ttt; while(ttt--) solve()
#define all(x) (x).begin(), (x).end()
#define le(vec) vec[vec.size()-1]
#define sz(x) ((int)((x).size()))
#define pb push_back
#define s second
#define f first

using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef map<int, int> mii;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long double, long double> pdd;

const int INF=1e9, MOD=1e9+7, mod=998244353;
const ll LINF=1e13;

void setIO()
{
    FAST_IO;
}

void setIO(string s)
{
    FAST_IO;
    freopen((s+".in").c_str(), "r", stdin);
    freopen((s+".out").c_str(), "w", stdout);
}

const int N=2e3+10;
int n, k, a[N];
ll dp[N][N][2];

int main()
{
    setIO();
    cin >> n >> k;
    FOR(i, 0, n) cin >> a[i];

    FOR(i, 1, n+1)
    {
        FOR(j, 1, k+1)
        {
            dp[i][j][1]=max({
                dp[i-1][j][1]+a[i-1],
                dp[i-1][j-1][0]+a[i-1],
                dp[i-1][j-1][1]+a[i-1]
            });

            dp[i][j][0]=max({
                dp[i-1][j][1],
                dp[i-1][j][0],
                dp[i-1][j-1][1],
                dp[i-1][j-1][0]
            });
        }
    }

    cout << max(dp[n][k][0], dp[n][k][1]);
}

Compilation message

feast.cpp: In function 'void setIO(std::string)':
feast.cpp:32:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |     freopen((s+".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
feast.cpp:33:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     freopen((s+".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 460 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 5716 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 592 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 708 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 540 KB Output is correct
5 Correct 1 ms 576 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 576 KB Output is correct
10 Correct 1 ms 588 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 708 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 540 KB Output is correct
5 Correct 1 ms 576 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 576 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 1604 KB Output is correct
12 Correct 1 ms 1612 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1612 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 1 ms 1356 KB Output is correct
17 Correct 1 ms 1612 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 2 ms 1356 KB Output is correct
20 Correct 1 ms 1468 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 708 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 540 KB Output is correct
5 Correct 1 ms 576 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 576 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 1604 KB Output is correct
12 Correct 1 ms 1612 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1612 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 1 ms 1356 KB Output is correct
17 Correct 1 ms 1612 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 2 ms 1356 KB Output is correct
20 Correct 1 ms 1468 KB Output is correct
21 Correct 7 ms 14284 KB Output is correct
22 Correct 35 ms 59052 KB Output is correct
23 Correct 10 ms 19916 KB Output is correct
24 Correct 8 ms 14796 KB Output is correct
25 Correct 11 ms 17484 KB Output is correct
26 Correct 8 ms 13772 KB Output is correct
27 Correct 10 ms 16972 KB Output is correct
28 Correct 4 ms 9292 KB Output is correct
29 Correct 4 ms 9164 KB Output is correct
30 Correct 4 ms 8268 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 460 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -