Submission #1193339

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193339		veehj	Bouquet (EGOI24_bouquet)	C++20	28 / 100	3094 ms	5384 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
#define pb push_back
#define sz(a) (ll) a.size()
#define all(x) (x).begin(), (x).end()
#define rep(i, a, b) for(ll i=a; i<b; i++)
#define rrep(i, a, b) for(ll i=a; i>=b; i--)
#define vl vector<ll>
#define vpll vector<pair<ll, ll>>
#define vvl vector<vector<ll>>
#define pll pair<ll, ll>
ll n, ans;
vl l, r, dp;

void f() {
  cin >> n;
  l.resize(n);
  r.resize(n);
  rep(i, 0, n) cin >> l[i] >> r[i];
  dp.assign(n, 0);
  dp[0]=1;
  ans=1;
  rep(i, 1, n){
    dp[i]=1;
    rrep(j, i-l[i]-1, 0){
      if(r[j]+j+1<=i){
        dp[i]=max(dp[i], 1+dp[j]);
        // break;
      }
    }
    ans=max(ans, dp[i]);
  }
  cout << ans << endl;
}

int main() {
  int tc = 1;
  // cin >> tc;
  for (int i = 1; i <= tc; i++) {
    // cout << '#' << i << endl;
    f();
    if (i != tc) cout << endl;
  }
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 16
• Subtask 3: 28 / 28
• Subtask 4: 0 / 18
• Subtask 5: 0 / 30