제출 #947994

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
947994		Zena_Hossam	Vudu (COCI15_vudu)	C++14	컴파일 에러	0 ms	0 KiB

vudu

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#define ll long long
using namespace std;
namespace __gnu_pbds
{
typedef tree<ll,
        null_type,
        less_equal<ll>,
        rb_tree_tag,
        tree_order_statistics_node_update> ordered_set;
}
using namespace __gnu_pbds;
#define fi ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//#define ll double

#define ll1 long long
#define F first
#define S second
#define sz size()
#define all(s) s.begin(),s.end()
#define all1(s) s.rbegin(),s.rend()
int arr[1000006];
int main()
{
    //freopen("stdin.in","r",stdin);freopen("stdout.out","w",stdout);
    //cin>>T;ll oo=0;  int n;
        cin>>n;
        for(int i=0; i<n; i++)
        {
            cin>>arr[i];
        }
        int x;
        cin>>x;
        ordered_set s;
        ll c=0,ss=0;
        for(int i=0; i<n; i++)
        {
            if(i)a[i]+=a[i-1];
            a[i]+=(arr[i]-x);
           // cout<<c<<" ";

            ll k=a[i];
            c+=(s.order_of_key(k+1));
            if(k>=0)c++;
            s.insert(a[i]);
           // cout<<c<<"\n";
        }
        cout<<c;
}

컴파일 시 표준 에러 (stderr) 메시지

vudu.cpp: In function 'int main()':
vudu.cpp:29:14: error: 'n' was not declared in this scope; did you mean 'yn'?
   29 |         cin>>n;
      |              ^
      |              yn
vudu.cpp:40:18: error: 'a' was not declared in this scope
   40 |             if(i)a[i]+=a[i-1];
      |                  ^
vudu.cpp:41:13: error: 'a' was not declared in this scope
   41 |             a[i]+=(arr[i]-x);
      |             ^
vudu.cpp:37:16: warning: unused variable 'ss' [-Wunused-variable]
   37 |         ll c=0,ss=0;
      |                ^~