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Submission #380580

# Submission time Handle Problem Language Result Execution time Memory
380580 2021-03-22T11:58:13 Z Aryan_Raina Vudu (COCI15_vudu) C++14
42 / 140
 1000 ms 59116 KB 
#include <bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> oset;
 
#define int long long
#define ld long double
#define ar array

const int INF = 1e17;
const int MOD = 1e9;

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n; cin>>n;
    vector<int> a(n);
    for (int &i : a) cin>>i;
    oset s; s.insert(0);
    int p; cin>>p; int psum = 0;
    int ans = 0;
    for (int i = 0; i < n; i++) {
        psum += a[i];
        int diff = psum - (i+1)*p;
        ans += s.order_of_key(diff+1);
        s.insert(diff);
    }
    cout<<ans<<"\n";
}

Subtask #1
42.0 / 140.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 748 KB Output is correct
2 Correct 3 ms 748 KB Output is correct
3 Correct 3 ms 620 KB Output is correct
4 Execution timed out 1016 ms 57324 KB Time limit exceeded
5 Incorrect 596 ms 35564 KB Output isn't correct
6 Execution timed out 1067 ms 55456 KB Time limit exceeded
7 Execution timed out 1098 ms 57836 KB Time limit exceeded
8 Incorrect 954 ms 50072 KB Output isn't correct
9 Execution timed out 1032 ms 59116 KB Time limit exceeded
10 Execution timed out 1064 ms 56172 KB Time limit exceeded