#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[1000001];ordered_set s;int x;ll c=0,ss=0,cc;int n;int i,j;
int main()
{
//freopen("stdin.in","r",stdin);freopen("stdout.out","w",stdout);
//cin>>T;ll oo=0;
cin>>n;
for(i=0; i<n; i++)
{
cin>>arr[i];
}
cin>>x;
for(i=0; i<n; i++)
{
ss+=(arr[i]-x);
// cout<<c<<" ";
cc=0;
for(j=0;j<min(i,100);j++){ cc+=(arr[j]-x);
if(cc<ss+1)c++;
}
c+=(s.order_of_key(ss+1));
if(ss>=0)c++;
if(i>=100)
s.insert(ss);
// cout<<c<<"\n";
}
cout<<c;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
860 KB |
Output is correct |
2 |
Correct |
3 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
604 KB |
Output is correct |
4 |
Correct |
824 ms |
64616 KB |
Output is correct |
5 |
Correct |
473 ms |
36692 KB |
Output is correct |
6 |
Correct |
685 ms |
57176 KB |
Output is correct |
7 |
Correct |
741 ms |
59648 KB |
Output is correct |
8 |
Correct |
608 ms |
51556 KB |
Output is correct |
9 |
Runtime error |
755 ms |
65536 KB |
Execution killed with signal 9 |
10 |
Correct |
694 ms |
57944 KB |
Output is correct |