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답안 #253617

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
253617 2020-07-28T13:09:02 Z Vimmer Vudu (COCI15_vudu) C++14
42 / 140
 688 ms 65540 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define pf push_front
#define N 10005
#define M ll(998244353)
#define inf 1e9 + 1e9

using namespace std;
using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef short int si;
typedef array <ll, 3> a3;
typedef array <ll, 4> a4;

typedef tree <ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;



ordered_set se, st;

int main()
{
    //freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    ll n;

    cin >> n;

    ll a[n];

    for (ll i = 0; i < n; i++) cin >> a[i];

    ll sum = 0;

    ll p;

    cin >> p;

    for (int i = 0; i < n; i++)
    {
        a[i] -= p;

        sum += a[i];

        se.insert(sum);
    }

    sum = 0;

    ll ans = 0;

    for (int i = 0; i < n; i++)
    {
        ll need = -a[i];

        sum += a[i];

        need += sum;

        ans += sz(se) - se.order_of_key(need);

        ans -= sz(st) - st.order_of_key(need);

        st.insert(sum);
    }

    cout << ans << endl;
}

Subtask #1
42.0 / 140.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 1408 KB Output is correct
2 Correct 5 ms 1152 KB Output is correct
3 Correct 5 ms 1152 KB Output is correct
4 Runtime error 589 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
5 Runtime error 688 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
6 Runtime error 658 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
7 Runtime error 521 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Runtime error 566 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
9 Runtime error 545 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
10 Runtime error 687 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)