oj.uz

Submission #725533

# Submission time Handle Problem Language Result Execution time Memory
725533 2023-04-17T15:06:10 Z vjudge1 Schools (IZhO13_school) C++17
15 / 100
 2000 ms 15844 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ld long double
#define ll long long
#define S second
#define F first

using namespace __gnu_pbds;
using namespace std;

typedef tree<long long, null_type, less_equal<long long>,
    rb_tree_tag, tree_order_statistics_node_update> Tree;

const ll INF = 9223372036854775807LL;
const ll inf = 2147483647;
const ll MAXN = 300010;
const ll MOD = 1e9 + 7;
const ld PI = acos(-1);
const ll NROOT = 320;

ll binpow(ll a, ll b) {
  ll res = 1;
  for (;b; b /= 2, a *= a, a %= MOD)
    if (b & 1) res *= a, res %= MOD;
  return res % MOD;
}

ll gcd(ll a, ll b) {return b ? gcd(b, a % b) : a;}
ll lcm(ll a, ll b) {return a * b / gcd(a, b);}
ll invmod(ll a) {return binpow(a, MOD - 2);}

vector<pair<int, int>> v(MAXN);

int dp(int i, int M, int S, int m, int s) {
  if (S == s && m == M) return 0;

  int ans = 0;
  if (M > m) ans = max(ans, dp(i + 1, M, S, m + 1, s) + v[i].F);
  if (S > s) ans = max(ans, dp(i + 1, M, S, m, s + 1) + v[i].S);

  return ans;
}

int32_t main () {
  ios_base::sync_with_stdio(false); 
  cin.tie(nullptr);

  int n, m, s; cin >> n >> m >> s;

  for (int i = 1; i <= n; i ++) {
    cin >> v[i].F >> v[i].S;
  }
  sort(v.rbegin(), v.rend());
  int ans = dp(0, m, s, 0, 0);
  for (int i = 0; i < n; i ++) 
    swap(v[i].F, v[i].S);

  sort(v.rbegin(), v.rend());
  ans = max(ans, dp(0, s, m, 0, 0));

  cout << ans << "\n";
  
  return 0;
}

Subtask #1
15.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 2644 KB Output is correct
2 Correct 14 ms 2644 KB Output is correct
3 Correct 14 ms 2644 KB Output is correct
4 Execution timed out 2073 ms 2644 KB Time limit exceeded
5 Incorrect 199 ms 2644 KB Output isn't correct
6 Execution timed out 2080 ms 2676 KB Time limit exceeded
7 Execution timed out 2071 ms 2644 KB Time limit exceeded
8 Execution timed out 2059 ms 2900 KB Time limit exceeded
9 Execution timed out 2079 ms 2932 KB Time limit exceeded
10 Execution timed out 2064 ms 2900 KB Time limit exceeded
11 Execution timed out 2041 ms 2900 KB Time limit exceeded
12 Execution timed out 2055 ms 2812 KB Time limit exceeded
13 Execution timed out 2049 ms 4692 KB Time limit exceeded
14 Execution timed out 2062 ms 4464 KB Time limit exceeded
15 Execution timed out 2058 ms 3020 KB Time limit exceeded
16 Execution timed out 2061 ms 13808 KB Time limit exceeded
17 Execution timed out 2077 ms 14452 KB Time limit exceeded
18 Execution timed out 2070 ms 13456 KB Time limit exceeded
19 Execution timed out 2072 ms 14704 KB Time limit exceeded
20 Execution timed out 2083 ms 15844 KB Time limit exceeded