oj.uz

답안 #133898

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
133898 2019-07-21T16:41:27 Z osaaateiasavtnl Bubble Sort 2 (JOI18_bubblesort2) C++14
100 / 100
 2169 ms 66820 KB 
#include<bits/stdc++.h>
using namespace std;
#define app push_back
#define ii pair <int, int>
#define mp make_pair
const int N = 1e6 + 7;
int mx[N << 2], add[N << 2];
void push(int v) {
    if (add[v]) {
        for (int i = v * 2 + 1; i <= v * 2 + 2; ++i) {
            mx[i] += add[v]; add[i] += add[v];
        }   
        add[v] = 0;
    }
}   
void relax(int v) {
    mx[v] = max(mx[v * 2 + 1], mx[v * 2 + 2]);
}   
void upd(int v, int tl, int tr, int p, int x) {
    if (tl == tr) {
        mx[v] = x;
        return;
    }   
    int tm = (tl + tr) >> 1;
    push(v);
    if (p <= tm) upd(v * 2 + 1, tl, tm, p, x);
    else upd(v * 2 + 2, tm + 1, tr, p, x);
    relax(v);
}
void add_(int v, int tl, int tr, int l, int r, int x) {
    if (tr < l || r < tl) return;
    if (l <= tl && tr <= r) {
        mx[v] += x; add[v] += x;
        return;
    }   
    int tm = (tl + tr) >> 1;
    push(v);
    add_(v * 2 + 1, tl, tm, l, r, x); add_(v * 2 + 2, tm + 1, tr, l, r, x);
    relax(v);
}  

int f[N];
void addf(int i, int x) {
    for (; i < N; i |= i + 1) f[i] += x;
}   
int get(int i) {
    int ans = 0;
    for (; i >= 0; i &= i + 1, --i) ans += f[i];
    return ans;
}   

vector <int> countScans(vector <int> a, vector <int> p, vector <int> x) {
    int n = a.size(), q = p.size();
    vector <ii> v;
    for (int i = 0; i < n; ++i) {
        v.app({a[i], i});
    }   
    for (int i = 0; i < q; ++i) {
        v.app({x[i], p[i]});
    }   
    sort(v.begin(), v.end());
    v.resize(unique(v.begin(), v.end()) - v.begin());
    for (int i = 0; i < n; ++i) {
        a[i] = lower_bound(v.begin(), v.end(), mp(a[i], i)) - v.begin();
    }   
    for (int i = 0; i < q; ++i) {
        x[i] = lower_bound(v.begin(), v.end(), mp(x[i], p[i])) - v.begin();
    }   
    for (int i = 0; i < (N << 2); ++i) mx[i] = -N;
    vector <int> t;
    for (int i = 0; i < n; ++i) {
        t.app(a[i]);
    }
    sort(t.begin(), t.end()); t.resize(unique(t.begin(), t.end()) - t.begin());
    for (int i = 0; i < n; ++i) {
        int p = lower_bound(t.begin(), t.end(), a[i]) - t.begin();
        upd(0, 0, N, a[i], i - p);
        addf(a[i], 1);
    }
    vector <int> ans;
    for (int qq = 0; qq < q; ++qq) {
        int i = p[qq], v = x[qq];
        upd(0, 0, N, a[i], -N);
        addf(a[i], -1);
        int pp = get(v);
        upd(0, 0, N, v, i - pp);
        addf(v, 1);
        if (a[i] < v) {
            add_(0, 0, N, min(a[i], v) + 1, max(a[i], v) - 1, 1);
        }   
        else {
            add_(0, 0, N, min(a[i], v) + 1, max(a[i], v) - 1, -1);
        }   
        a[i] = v;
        ans.app(mx[0]);
    }   
    return ans;
}   
#ifdef HOME
signed main() {
    //freopen("input.txt", "r", stdin);
    int n, q;
    cin >> n >> q;
    vector <int> a(n), p(q), x(q);
    for (int i = 0; i < n; ++i) cin >> a[i];
    for (int i = 0; i < q; ++i) cin >> p[i] >> x[i];
    vector <int> ans = countScans(a, p, x);
    for (int e : ans) cout << e << '\n';
}   
#endif

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 16120 KB Output is correct
2 Correct 18 ms 16120 KB Output is correct
3 Correct 21 ms 16252 KB Output is correct
4 Correct 20 ms 16248 KB Output is correct
5 Correct 20 ms 16248 KB Output is correct
6 Correct 20 ms 16248 KB Output is correct
7 Correct 20 ms 16248 KB Output is correct
8 Correct 21 ms 16236 KB Output is correct
9 Correct 20 ms 16220 KB Output is correct
10 Correct 20 ms 16248 KB Output is correct
11 Correct 20 ms 16248 KB Output is correct
12 Correct 20 ms 16248 KB Output is correct
13 Correct 20 ms 16248 KB Output is correct
14 Correct 20 ms 16248 KB Output is correct
15 Correct 20 ms 16248 KB Output is correct
16 Correct 20 ms 16292 KB Output is correct
17 Correct 20 ms 16248 KB Output is correct
18 Correct 20 ms 16252 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 16120 KB Output is correct
2 Correct 18 ms 16120 KB Output is correct
3 Correct 21 ms 16252 KB Output is correct
4 Correct 20 ms 16248 KB Output is correct
5 Correct 20 ms 16248 KB Output is correct
6 Correct 20 ms 16248 KB Output is correct
7 Correct 20 ms 16248 KB Output is correct
8 Correct 21 ms 16236 KB Output is correct
9 Correct 20 ms 16220 KB Output is correct
10 Correct 20 ms 16248 KB Output is correct
11 Correct 20 ms 16248 KB Output is correct
12 Correct 20 ms 16248 KB Output is correct
13 Correct 20 ms 16248 KB Output is correct
14 Correct 20 ms 16248 KB Output is correct
15 Correct 20 ms 16248 KB Output is correct
16 Correct 20 ms 16292 KB Output is correct
17 Correct 20 ms 16248 KB Output is correct
18 Correct 20 ms 16252 KB Output is correct
19 Correct 34 ms 16888 KB Output is correct
20 Correct 37 ms 16932 KB Output is correct
21 Correct 35 ms 16888 KB Output is correct
22 Correct 36 ms 16888 KB Output is correct
23 Correct 35 ms 16888 KB Output is correct
24 Correct 35 ms 16888 KB Output is correct
25 Correct 34 ms 16888 KB Output is correct
26 Correct 34 ms 16888 KB Output is correct
27 Correct 34 ms 16760 KB Output is correct
28 Correct 34 ms 17016 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 17140 KB Output is correct
2 Correct 95 ms 18768 KB Output is correct
3 Correct 158 ms 20516 KB Output is correct
4 Correct 158 ms 20432 KB Output is correct
5 Correct 155 ms 20588 KB Output is correct
6 Correct 158 ms 20460 KB Output is correct
7 Correct 155 ms 20460 KB Output is correct
8 Correct 154 ms 20440 KB Output is correct
9 Correct 153 ms 20436 KB Output is correct
10 Correct 124 ms 20048 KB Output is correct
11 Correct 124 ms 20044 KB Output is correct
12 Correct 122 ms 19948 KB Output is correct
13 Correct 121 ms 19952 KB Output is correct
14 Correct 121 ms 19948 KB Output is correct
15 Correct 121 ms 19948 KB Output is correct
16 Correct 120 ms 19568 KB Output is correct
17 Correct 119 ms 19636 KB Output is correct
18 Correct 119 ms 19564 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 16120 KB Output is correct
2 Correct 18 ms 16120 KB Output is correct
3 Correct 21 ms 16252 KB Output is correct
4 Correct 20 ms 16248 KB Output is correct
5 Correct 20 ms 16248 KB Output is correct
6 Correct 20 ms 16248 KB Output is correct
7 Correct 20 ms 16248 KB Output is correct
8 Correct 21 ms 16236 KB Output is correct
9 Correct 20 ms 16220 KB Output is correct
10 Correct 20 ms 16248 KB Output is correct
11 Correct 20 ms 16248 KB Output is correct
12 Correct 20 ms 16248 KB Output is correct
13 Correct 20 ms 16248 KB Output is correct
14 Correct 20 ms 16248 KB Output is correct
15 Correct 20 ms 16248 KB Output is correct
16 Correct 20 ms 16292 KB Output is correct
17 Correct 20 ms 16248 KB Output is correct
18 Correct 20 ms 16252 KB Output is correct
19 Correct 34 ms 16888 KB Output is correct
20 Correct 37 ms 16932 KB Output is correct
21 Correct 35 ms 16888 KB Output is correct
22 Correct 36 ms 16888 KB Output is correct
23 Correct 35 ms 16888 KB Output is correct
24 Correct 35 ms 16888 KB Output is correct
25 Correct 34 ms 16888 KB Output is correct
26 Correct 34 ms 16888 KB Output is correct
27 Correct 34 ms 16760 KB Output is correct
28 Correct 34 ms 17016 KB Output is correct
29 Correct 41 ms 17140 KB Output is correct
30 Correct 95 ms 18768 KB Output is correct
31 Correct 158 ms 20516 KB Output is correct
32 Correct 158 ms 20432 KB Output is correct
33 Correct 155 ms 20588 KB Output is correct
34 Correct 158 ms 20460 KB Output is correct
35 Correct 155 ms 20460 KB Output is correct
36 Correct 154 ms 20440 KB Output is correct
37 Correct 153 ms 20436 KB Output is correct
38 Correct 124 ms 20048 KB Output is correct
39 Correct 124 ms 20044 KB Output is correct
40 Correct 122 ms 19948 KB Output is correct
41 Correct 121 ms 19952 KB Output is correct
42 Correct 121 ms 19948 KB Output is correct
43 Correct 121 ms 19948 KB Output is correct
44 Correct 120 ms 19568 KB Output is correct
45 Correct 119 ms 19636 KB Output is correct
46 Correct 119 ms 19564 KB Output is correct
47 Correct 521 ms 31456 KB Output is correct
48 Correct 1936 ms 62808 KB Output is correct
49 Correct 2145 ms 66604 KB Output is correct
50 Correct 2169 ms 66516 KB Output is correct
51 Correct 2143 ms 66652 KB Output is correct
52 Correct 2157 ms 66692 KB Output is correct
53 Correct 2117 ms 66796 KB Output is correct
54 Correct 1956 ms 66724 KB Output is correct
55 Correct 2074 ms 66820 KB Output is correct
56 Correct 1909 ms 66804 KB Output is correct
57 Correct 2001 ms 66684 KB Output is correct
58 Correct 1933 ms 66760 KB Output is correct
59 Correct 1757 ms 64028 KB Output is correct
60 Correct 1772 ms 64036 KB Output is correct
61 Correct 1757 ms 64084 KB Output is correct
62 Correct 1680 ms 63184 KB Output is correct
63 Correct 1708 ms 63128 KB Output is correct
64 Correct 1706 ms 63028 KB Output is correct
65 Correct 1617 ms 62244 KB Output is correct
66 Correct 1596 ms 62264 KB Output is correct
67 Correct 1602 ms 62328 KB Output is correct