Submission #456129

#	Time	Username	Problem	Language	Result	Execution time	Memory
456129		Blobo2_Blobo2	Money (IZhO17_money)	C++14	100 / 100	1140 ms	58092 KiB

money

/*
Editor: Abdelrahman Hossam
Nickname: Blobo2_Blobo2
IOI next year isA :)
*/
/*#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.2,popcnt,abm,mmx,avx2,tune=native")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-funroll-all-loops,-fpeel-loops,-funswitch-loops")*/
#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define endl "\n"
#define all(v)  v.begin(),v.end()
#define gen(arr,n,nxt)  generate(arr,arr+n,nxt)
#define Blobo2_el_7akim_elly_3ayz_yro7_IOI_w_3ayz_yakol_jilaty ios_base::sync_with_stdio(false);cin.tie(0);

const int mo=1e9+7,INF=1e18;
int nxt(){int x;cin>>x;return x;}

signed main(){
    Blobo2_el_7akim_elly_3ayz_yro7_IOI_w_3ayz_yakol_jilaty
    int n=nxt(),arr[n];
    gen(arr,n,nxt);
    int cnt=0,last=-1;
    set<int>st;
    for(int i=0;i<n;i++){
        auto it = st.lower_bound(arr[i]+1);
        if(last==-1)
            last = (it==st.end()?-2:(*it));
        else{
            int x = (it==st.end()?-2:(*it));
            if(last!=x||(i-1>=0&&arr[i]<arr[i-1])){
                if(arr[i]!=last)
                    cnt++,last= x;
            }
        }
        st.insert(arr[i]);
    }
    cout<<cnt+1;
    return 0;
}

Compilation message (stderr)

money.cpp:19:24: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   19 | const int mo=1e9+7,INF=1e18;
      |                        ^~~~

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