Submission #199364

#	Time	Username	Problem	Language	Result	Execution time	Memory
199364		houtaru	3단 점프 (JOI19_jumps)	C++17	19 / 100	1356 ms	77380 KiB

jumps

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int n, q;
int a[5010];
int f[5010][5010];

int main() {
  ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
  cin >> n;
  for (int i = 0; i < n; ++i) cin >> a[i];
  
  for (int i = n - 1; i >= 0; --i) {
    int cur = 0, mx = 0;
    for (int j = i + 2; j < n; ++j) {
      mx = max(mx, a[(i + j) / 2]);
      f[i][j] = max({a[i] + a[j] + mx, f[i + 1][j], f[i][j - 1]});
    }
  }

  cin >> q;
  while (q--) {
    int l, r; cin >> l >> r;
    cout << f[l - 1][r - 1] << "\n";
  }
  
  return 0;
}

Compilation message (stderr)

jumps.cpp: In function 'int main()':
jumps.cpp:17:9: warning: unused variable 'cur' [-Wunused-variable]
     int cur = 0, mx = 0;
         ^~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 0 / 27
• Subtask 4: 0 / 54