Submission #1193308

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193308		veehj	Bouquet (EGOI24_bouquet)	C++20	0 / 100	42 ms	6472 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;
vl l, r, best, dp;

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

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: 0 / 28
• Subtask 4: 0 / 18
• Subtask 5: 0 / 30