답안 #204971

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
204971	2020-02-27T15:21:21 Z	dolphingarlic	Money (IZhO17_money)	C++14	0 / 100	5 ms	380 KB

money

#include <bits/stdc++.h>
using namespace std;
 
int n, a[1000005], bit[1000005];
 
void update(int pos) {
    for (; pos < 1000005; pos += (pos & (-pos))) bit[pos]++;
}
 
int query(int a) {
    int ans = 0;
    for (; a; a -= (a & (-a))) ans += bit[a];
    return ans;
}
 
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for (int i = 0; i < n; i++) cin >> a[i];
    int ans = 0;
    update(a[0]);
    for (int i = 0; i < n;) {
        int j = i++;
        ans++;
        while (i < n && query(a[i] - 1) == query(a[j]) && a[i] >= a[i - 1]) i++;
        for (int k = j; k < i; k++) update(a[k]);
    }
    cout << ans;
    return 0;
}

Subtask #1

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Incorrect	5 ms	376 KB	Output isn't correct
8	Halted	0 ms	0 KB	-

Subtask #2

0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Incorrect	5 ms	376 KB	Output isn't correct
8	Halted	0 ms	0 KB	-

Subtask #3

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Incorrect	5 ms	376 KB	Output isn't correct
8	Halted	0 ms	0 KB	-

Subtask #4

0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	380 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	4 ms	376 KB	Output is correct
7	Incorrect	5 ms	376 KB	Output isn't correct
8	Halted	0 ms	0 KB	-