Submission #1238596

#TimeUsernameProblemLanguageResultExecution timeMemory
1238596elenatrifBouquet (EGOI24_bouquet)C++20
24 / 100
18 ms3552 KiB
#include <bits/stdc++.h> using namespace std; //#define int long long int32_t main() { cin.tie(0); ios_base::sync_with_stdio(false); int n; cin >> n; int cnt=0; bool komb=1; //0 ri=li=rj=lj za 8 poeni, 1 za ri=0 za site za 16 poeni vector<int> l(n+1,0), r(n+1,0); for(int i=0; i<n; i++){ cin >> l[i] >> r[i]; ///da recemo sve sa isti if(r[i]!=0) komb=0; } if(komb==0) cout << (n-1)/(l[0]+1)+1; else{ //ako right=0 za sekoe vector<int> dp(n, 0), prefmax(n, 0); dp[0]=1, prefmax[0]= 1; for(int i=1; i<n; i++){ if(l[i]>=i){ dp[i]=1; } else{ dp[i]=dp[i-l[i]-1]+1; } dp[i]=max(dp[i], prefmax[i-1]); prefmax[i]=max(dp[i], prefmax[i-1]); } cout << *max_element(dp.begin(), dp.end()); // cout << '\n'; // for(auto d:dp) // cout << d << " "; } return 0; }
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