oj.uz

Submission #950045

# Submission time Handle Problem Language Result Execution time Memory
950045 2024-03-20T04:03:56 Z vjudge1 Sjeckanje (COCI21_sjeckanje) C++17
0 / 110
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define size(x) (int)x.size()
#define all(x) x.begin(), x.end()

template<class S, class T>
bool chmin(S& a, const T& b) {
  return a > b ? (a = b) == b : false;
}
template<class S, class T>
bool chmax(S& a, const T& b) {
  return a < b ? (a = b) == b : false;
}

signed main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n, q; cin >> n >> q;
  int a[n + 1];
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
  }
  while (q--) {
    int l, r, x;
    cin >> l >> r >> x;
    for (int i = l; i <= r; ++i) {
      a[i] += x;
    }
    vector<int> dp(n + 1, 0);
    int max_b = a[1], max_s = -a[1];
    for (int i = 2; i <= n; ++i) {
      dp[i] = max(max_s + a[i], max_b - a[i]);
      chmax(max_s, dp[i - 1] - a[i]);
      chmax(max_b, dp[i - 1] + a[i]);
    }
    cout << dp[n] << '\n';
  }
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -