Submission #723767

#	Time	Username	Problem	Language	Result	Execution time	Memory
723767		Nelt	Catfish Farm (IOI22_fish)	C++17	3 / 100	93 ms	7284 KiB

fish

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "fish.h"

/* DEFINES */
#define S second
#define F first
#define ll long long
#define ull unsigned long long
#define ld long double
#define npos ULLONG_MAX
#define INF LLONG_MAX
#define vv(a) vector<a>
#define pp(a, b) pair<a, b>
#define pq(a) priority_queue<a>
#define qq(a) queue<a>
#define ss(a) set<a>
#define mm(a, b) map<a, b>
#define ump(a, b) unordered_map<a, b>
#define sync                    \
  ios_base::sync_with_stdio(0); \
  cin.tie(0);                   \
  cout.tie(0);
#define elif else if
#define endl "\n"
#define allc(a) begin(a), end(a)
#define all(a) a, a + sizeof(a) / sizeof(a[0])
#define pb push_back
#define logi(a) __lg(a)
#define sqrt(a) sqrtl(a)
#define mpr make_pair
#define ins insert
using namespace std;
using namespace __gnu_pbds;
using namespace __cxx11;
typedef char chr;
typedef basic_string<chr> str;
template <typename T, typename key = less<T>>
using ordered_set = tree<T, null_type, key, rb_tree_tag, tree_order_statistics_node_update>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

ll max_weights(int n, int m, std::vector<int> x, std::vector<int> y,std::vector<int> w)
{
  ll ans = 0, rem = 0;
  for (ll i : w)
    ans += i;
  for (ll i : x)
    rem |= i & 1;
  if (!rem)
    return ans;
  ll dp[n], a[n];
  for (ll i = 0; i < n; i++)
    a[i] = 0;
  for (ll i = 0; i < m; i++)
    a[x[i]] = w[i];
  dp[0] = a[0];
  dp[1] = max(a[0], a[1]);
  for (ll i = 2; i < n; i++)
    dp[i] = max(dp[i - 1], a[i] + dp[i - 2]);
  return max(ans - dp[n - 1], dp[n - 1]);
}

• Subtask 1: 3 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16