Submission #380231

#	Time	Username	Problem	Language	Result	Execution time	Memory
380231		vishesh312	Vudu (COCI15_vudu)	C++17	42 / 140	1096 ms	61036 KiB

vudu

#include "bits/stdc++.h"
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using ordered_set = tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update>;

#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()

using ll = long long;
const int mod = 1e9+7;

void solve(int tc) {
    int n;
    cin >> n;
    vector<int> v(n+1);
    for (int i = 1; i <= n; ++i) cin >> v[i];
    ll p;
    cin >> p;
    ll ans = 0;
    ordered_set s;
    s.insert(-1);
    for (int i = 1; i <= n; ++i) {
        v[i] += v[i-1]-p;
        ans += s.order_of_key(v[i]);
        s.insert(v[i]-1);
    }
    cout << ans << '\n';
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    int tc = 1;
    //cin >> tc;
    for (int i = 1; i <= tc; ++i) solve(i);
    return 0;
}

• Subtask 1: 42 / 140