Submission #868025

#	Time	Username	Problem	Language	Result	Execution time	Memory
868025		imarn	Money (IZhO17_money)	C++14	0 / 100	0 ms	344 KiB

money

#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
using namespace std;
int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    int n;cin>>n;
    int a[n];
    for(int i=0;i<n;i++)cin>>a[i];
    int dp[n];int sz=1;
    dp[0]=1;vector<int>q[n+1];
    q[1].pb(0);
    vector<int>v;v.pb(a[0]);
    for(int i=1;i<n;i++){
        int idx=upper_bound(v.begin(),v.end(),a[i])-v.begin();
        if(idx==sz)v.pb(a[i]),dp[i]=++sz,q[sz].pb(i);
        else v[idx]=a[i],dp[i]=idx+1,q[idx+1].pb(i);
    }int mx=0;
    for(int i=0;i<n;i++)mx=max(mx,(int)q[i].size());
    cout<<mx;
}

Compilation message (stderr)

money.cpp: In function 'int main()':
money.cpp:11:9: warning: variable 'dp' set but not used [-Wunused-but-set-variable]
   11 |     int dp[n];int sz=1;
      |         ^~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55