oj.uz

Submission #1085896

# Submission time Handle Problem Language Result Execution time Memory
1085896 2024-09-09T02:37:01 Z Persia Feast (NOI19_feast) C++14
59 / 100
 137 ms 262144 KB 
#include <bits/stdc++.h>
#define rep(i, l, r) for(int i = l; i <= r; i++)
#define rep2(i, l, r) for(int i = l; i >= r; i--)
#define fi first
#define se second
#define bit(i, x) (x >> i & 1)

using namespace std;
const int N = 3e5 + 3;
const int mod = 1e9 + 7;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
long long rnd(long long l, long long r) {
  return uniform_int_distribution<long long>(l, r)(rng);
}

int n, k, a[N];
long long p[N];

namespace sub1{
  long long sol() {
    vector<vector<long long>> dp(n + 3, vector<long long>(k + 3, 0));
    vector<vector<long long>> mx(n + 3, vector<long long>(k + 3, 0));
    rep(i, 1, n) {
      rep(j, 1, k) {
        dp[i][j] = max(dp[i - 1][j], mx[i - 1][j - 1] + p[i]);
        dp[i][j] = max(dp[i][j], dp[i][j - 1]);
//        rep(l, 0, i - 1) {
//          dp[i][j] = max(dp[i][j], dp[l][j - 1] + p[i] - p[l]);
//        }
      }
      mx[i][0] = max(mx[i - 1][0], -p[i]);
      rep(j, 1, k - 1) {
        mx[i][j] = max(mx[i - 1][j], dp[i][j] - p[i]);
      }
    }
//    rep(i, 1, n) {
//      rep(j, 1, k) cout << dp[i][j] << " ";
//      cout << "\n";
//    }
    return dp[n][k];
  }
}

int main(int argc, char* argv[]) {
   ios_base::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);

  // freopen("testing.txt", "r", stdin);
//  freopen("outputing.txt", "w", stdout);

  cin >> n >> k;
  rep(i, 1, n) {
    cin >> a[i];
    p[i] = p[i - 1] + a[i];
  }
//  rep(i, 1, n) cout << p[i] << " ";

  cout << sub1::sol();
//  sub1::sol();
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 137 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 46160 KB Output is correct
2 Correct 47 ms 47184 KB Output is correct
3 Correct 46 ms 46184 KB Output is correct
4 Runtime error 128 ms 262144 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 48716 KB Output is correct
2 Correct 56 ms 48136 KB Output is correct
3 Correct 56 ms 48464 KB Output is correct
4 Correct 60 ms 48136 KB Output is correct
5 Correct 81 ms 48440 KB Output is correct
6 Correct 60 ms 48720 KB Output is correct
7 Correct 57 ms 48980 KB Output is correct
8 Correct 57 ms 48464 KB Output is correct
9 Correct 61 ms 48984 KB Output is correct
10 Correct 57 ms 48864 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 0 ms 604 KB Output is correct
14 Correct 0 ms 664 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 472 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 0 ms 604 KB Output is correct
14 Correct 0 ms 664 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 472 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 3 ms 6744 KB Output is correct
22 Correct 28 ms 51804 KB Output is correct
23 Correct 7 ms 12380 KB Output is correct
24 Correct 4 ms 7256 KB Output is correct
25 Correct 7 ms 9820 KB Output is correct
26 Correct 4 ms 5980 KB Output is correct
27 Correct 5 ms 9560 KB Output is correct
28 Correct 1 ms 1496 KB Output is correct
29 Correct 1 ms 1532 KB Output is correct
30 Correct 1 ms 604 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 137 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -