Submission #19705827


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#include <bits/stdc++.h>
using namespace std;

template<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

void solve() {
  int n; cin >> n;
  vector<int> a(n);
  for(auto &x : a) cin >> x;

  vector<vector<int>> dp(n+1, vector<int>(n+1, 0));
  int ans = 0;

  for(int k=0; k/3 < n/3; k+=3) {
    for(int i=0, j=k; j<=n; ++i, ++j) {
      for(int ni=i-3, nj=j; ni<=i; ++ni, ++nj) {
        if(0 <= ni && nj <= n) {
          int sum = 0;
          for(int l=ni; l<i; ++l) {
            sum += a[l];
          }
          for(int r=j; r<nj; ++r) {
            sum += a[r];
          }
          chmax(sum, 0);
          if(chmax(dp[ni][nj], dp[i][j] + sum)) {
            chmax(ans, dp[ni][nj]);
          }
        }
      }
    }
  }

  cout << ans << endl;
}

signed main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(10);
  solve();
  return 0;
}

Submission Info

Submission Time
Task B - Three Coins
User chiara_kyokkou
Language C++ (GCC 9.2.1)
Score 0
Code Size 976 Byte
Status WA
Exec Time 12 ms
Memory 4228 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 800
Status
AC × 3
AC × 4
WA × 45
Set Name Test Cases
Sample example0.txt, example1.txt, example2.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, example0.txt, example1.txt, example2.txt
Case Name Status Exec Time Memory
000.txt WA 10 ms 4052 KB
001.txt WA 5 ms 4100 KB
002.txt WA 6 ms 3996 KB
003.txt WA 7 ms 4064 KB
004.txt WA 7 ms 4048 KB
005.txt WA 5 ms 4152 KB
006.txt WA 12 ms 4156 KB
007.txt WA 11 ms 4052 KB
008.txt WA 12 ms 4164 KB
009.txt WA 9 ms 3992 KB
010.txt WA 6 ms 4228 KB
011.txt WA 6 ms 4048 KB
012.txt WA 5 ms 4012 KB
013.txt WA 5 ms 4152 KB
014.txt WA 5 ms 4228 KB
015.txt WA 6 ms 4128 KB
016.txt WA 6 ms 4152 KB
017.txt WA 6 ms 4168 KB
018.txt WA 10 ms 4164 KB
019.txt WA 3 ms 4168 KB
020.txt WA 3 ms 4076 KB
021.txt WA 3 ms 4224 KB
022.txt WA 7 ms 4164 KB
023.txt WA 4 ms 4016 KB
024.txt WA 7 ms 4088 KB
025.txt WA 6 ms 4084 KB
026.txt WA 6 ms 3992 KB
027.txt WA 8 ms 3992 KB
028.txt WA 7 ms 4048 KB
029.txt WA 6 ms 4224 KB
030.txt WA 6 ms 4076 KB
031.txt WA 11 ms 4224 KB
032.txt WA 9 ms 4228 KB
033.txt WA 5 ms 4164 KB
034.txt WA 6 ms 4100 KB
035.txt AC 5 ms 4012 KB
036.txt WA 7 ms 4164 KB
037.txt WA 10 ms 4060 KB
038.txt WA 9 ms 4228 KB
039.txt WA 5 ms 4100 KB
040.txt WA 7 ms 4012 KB
041.txt WA 6 ms 4024 KB
042.txt WA 6 ms 4076 KB
043.txt WA 6 ms 4084 KB
044.txt WA 6 ms 4072 KB
045.txt WA 5 ms 4124 KB
example0.txt AC 2 ms 3596 KB
example1.txt AC 2 ms 3596 KB
example2.txt AC 3 ms 3504 KB