#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
typedef long long int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;
typedef tree<pair<lli,int>,null_type,less<pair<lli,int>>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
ordered_set se;
lli arr[1000001];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,k,co=0;
lli cs=1,ans=0;
cin>>n;
for(lli i=0;i<n;++i)
cin>>arr[i];
cin>>k;
for(lli i=0;i<n;++i)
{
arr[i]-=k;
cs+=arr[i];
se.insert(mp(arr[i]-cs,co));
ans+=se.size()-se.order_of_key(mp(-cs,0*1LL));
co++;
}
cout<<ans<<endl;
return(0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1024 KB |
Output is correct |
2 |
Correct |
4 ms |
768 KB |
Output is correct |
3 |
Correct |
3 ms |
768 KB |
Output is correct |
4 |
Runtime error |
721 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
5 |
Correct |
385 ms |
39160 KB |
Output is correct |
6 |
Correct |
612 ms |
61048 KB |
Output is correct |
7 |
Correct |
587 ms |
63608 KB |
Output is correct |
8 |
Correct |
552 ms |
54904 KB |
Output is correct |
9 |
Runtime error |
588 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
10 |
Correct |
603 ms |
61644 KB |
Output is correct |