Submission #758244

#	Time	Username	Problem	Language	Result	Execution time	Memory
758244		vjudge1	Money (IZhO17_money)	C++14	0 / 100	0 ms	212 KiB

money

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    ordered_set st;
    int n;
    cin>>n;
    pair<int,int>pr[n];
    for(int i=0;i<n;i++){cin>>pr[i].first;pr[i].second=i;}
    sort(pr,pr+n);
    vector<int>v;
    for(auto &i:pr)v.push_back(i.second);
    int ans=0;
    for(int i=1;i<n;i++){
        if(v[i]!=v[i-1])ans++;
    }
    cout<<ans/2+1;
}

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