oj.uz

답안 #542468

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
542468 2022-03-26T18:38:17 Z Olympia Vudu (COCI15_vudu) C++17
42 / 140
 1000 ms 65536 KB 
#include <vector>
#include <algorithm>
#include <iostream>
#include <set>
#include <cmath>
#include <map>
#include <random>
#include <cassert>
#include <ctime>
#include <cstdlib>
#include <queue>
#include <limits.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
#pragma GCC target ("avx2")
#pragma GCC optimization ("O2")
#pragma GCC optimization ("unroll-loops")

using namespace __gnu_pbds;
using namespace std;

typedef
tree<
pair<int,int>,
null_type,
less<pair<int,int>>,
rb_tree_tag,
tree_order_statistics_node_update>
        ordered_set;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int N; cin >> N;
    vector<int> pref = {0}; for (int i = 0; i < N; i++) {int x; cin >> x; pref.push_back(pref.back() + x);}
    int P; cin >> P;
    int c = 0;
    ordered_set s;
    for (int r = 0; r < N; r++) {
        s.insert({pref[r] - P * r, r});
        c += s.order_of_key(make_pair(pref[r + 1] - P * (r + 1) + 1, -1));
    }
    cout << c;
}

Compilation message

vudu.cpp:17: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   17 | #pragma GCC optimization ("O2")
      | 
vudu.cpp:18: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   18 | #pragma GCC optimization ("unroll-loops")
      |

Subtask #1
42.0 / 140.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 852 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Execution timed out 1097 ms 64752 KB Time limit exceeded
5 Incorrect 534 ms 36664 KB Output isn't correct
6 Execution timed out 1028 ms 57188 KB Time limit exceeded
7 Execution timed out 1014 ms 59468 KB Time limit exceeded
8 Incorrect 859 ms 51600 KB Output isn't correct
9 Execution timed out 1047 ms 65536 KB Time limit exceeded
10 Incorrect 956 ms 58064 KB Output isn't correct