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답안 #1060434

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1060434 2024-08-15T14:19:20 Z manhlinh1501 Rabbit Carrot (LMIO19_triusis) C++17
100 / 100
 49 ms 5596 KB 
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
const int MAXN = 2e5 + 5;
#define ALL(a) (a).begin(), (a).end()
#define LB(a, x) (lower_bound(ALL(a), x) - (a).begin() + 1)
struct fenwick {
    int tree[MAXN];

    void update(int x, int v) {
        x++;
        for(; x < MAXN; x += (x & -x))
            tree[x] = max(tree[x], v);
    }

    int calc(int x) {
        x++;
        int res = 0;
        for(; x; x -= (x & -x))
            res = max(res, tree[x]);
        return res;
    }
} BIT;
int N, K;
int a[MAXN];
int b[MAXN];

void compress() {
    vector<int> temp;
    for(int i = 1; i <= N; i++) temp.emplace_back(a[i]);
    sort(ALL(temp));
    temp.resize(unique(ALL(temp)) - temp.begin());
    for(int i = 1; i <= N; i++) a[i] = LB(temp, a[i]);
}

signed main() {
#define TASK "code"

    if (fopen(TASK ".inp", "r")) {
        freopen(TASK ".inp", "r", stdin);
        freopen(TASK ".out", "w", stdout);
    }

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

    cin >> N >> K;
    for(int i = 1; i <= N; i++) {
        cin >> b[i];
        a[i] = i * K - b[i];
        b[i] = a[i];
    }
    compress();
    int ans = 0;
    for(int i = 1; i <= N; i++) {
        if(b[i] >= 0) {
            int res = BIT.calc(a[i]) + 1;
            ans = max(ans, res);
            BIT.update(a[i], res);
        }
    }
    cout << N - ans;
    return (0 ^ 0);
}

Compilation message

triusis.cpp: In function 'int main()':
triusis.cpp:40:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2552 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2552 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2548 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2520 KB Output is correct
30 Correct 1 ms 2424 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2552 KB Output is correct
33 Correct 1 ms 2616 KB Output is correct

Subtask #3
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2552 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2552 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2548 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2520 KB Output is correct
14 Correct 1 ms 2424 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2552 KB Output is correct
17 Correct 1 ms 2616 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 2 ms 2396 KB Output is correct
35 Correct 1 ms 2640 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 1 ms 2460 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2624 KB Output is correct
43 Correct 1 ms 2556 KB Output is correct

Subtask #4
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Correct 1 ms 2640 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 2460 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2624 KB Output is correct
10 Correct 1 ms 2556 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2552 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2552 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2548 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2520 KB Output is correct
24 Correct 1 ms 2424 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2552 KB Output is correct
27 Correct 1 ms 2616 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 26 ms 4060 KB Output is correct
45 Correct 49 ms 5596 KB Output is correct
46 Correct 49 ms 5596 KB Output is correct
47 Correct 48 ms 5596 KB Output is correct
48 Correct 25 ms 4572 KB Output is correct
49 Correct 25 ms 4828 KB Output is correct
50 Correct 23 ms 5596 KB Output is correct
51 Correct 22 ms 5580 KB Output is correct
52 Correct 22 ms 4572 KB Output is correct
53 Correct 14 ms 4972 KB Output is correct
54 Correct 26 ms 4812 KB Output is correct
55 Correct 26 ms 4808 KB Output is correct