Submission #978793

#	Time	Username	Problem	Language	Result	Execution time	Memory
978793		mannshah1211	Sjeckanje (COCI21_sjeckanje)	C++17	55 / 110	2084 ms	5952 KiB

Main

/**
 *    author: hashman
 *    created:
**/

#include <bits/stdc++.h>

using namespace std;

template <typename A, typename B>
string to_string(pair<A, B> p);

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);

string to_string(const string& s) {
  return '"' + s + '"';
}

string to_string(const char* s) {
  return to_string((string) s);
}

string to_string(bool b) {
  return (b ? "true" : "false");
}

string to_string(vector<bool> v) {
  bool first = true;
  string res = "{";
  for (int i = 0; i < static_cast<int>(v.size()); i++) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}

template <size_t N>
string to_string(bitset<N> v) {
  string res = "";
  for (size_t i = 0; i < N; i++) {
    res += static_cast<char>('0' + v[i]);
  }
  return res;
}

template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto &x : v) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(x);
  }
  res += "}";
  return res;
}

template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}

void debug_out() { cerr << endl; }

template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}

#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

using Int = long long;

const Int inf = 1e18;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, tt;
  cin >> n >> tt;
  vector<Int> a(n + 1);
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
  }
  while (tt--) {
    int l, r, x;
    cin >> l >> r >> x;
    for (int j = l; j <= r; j++) {
      a[j] += x;
    }
    vector<Int> dp(n + 1);
    Int mxsub = -inf, mxadd = -inf;
    for (int j = 1; j <= n; j++) {
      mxsub = max(mxsub, dp[j - 1] - a[j]);
      mxadd = max(mxadd, dp[j - 1] + a[j]);
      dp[j] = max(dp[j], mxsub + a[j]);
      dp[j] = max(dp[j], mxadd - a[j]);
    }
    cout << dp[n] << '\n';
  }
}

• Subtask 1: 15 / 15
• Subtask 2: 40 / 40
• Subtask 3: 0 / 55