oj.uz

답안 #442019

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
442019 2021-07-06T18:31:45 Z Ozy The short shank; Redemption (BOI21_prison) C++17
55 / 100
 2000 ms 19500 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i = (a); i <= (b); i++)
#define repa(i,a,b) for (int i = (a); i >= (b); i--)
#define lli long long
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "

#define MAX 500000

lli n,t,d,act,a,res,op;
lli arr[MAX+2],grupo[MAX+2],bit[MAX+2];
stack<lli> pila;

void actualiza(lli pos) {
    while (pos <= n) {
        bit[pos]++;
        pos += pos&(-pos);
    }
}

lli query(lli pos) {
    lli total = 0;
    while (pos > 0) {
        total += bit[pos];
        pos -= pos & (-pos);
    }
    return total;
}

lli busca() {
    lli sum,mayor=0;
    lli pos = -1;

    sum = 0;
    repa(i,n,1) {
        if (grupo[i] == 0) continue;
        if (grupo[i] == i) {
            sum = query(i);
            if (sum > mayor) {
                mayor = sum;
                pos = i;
            }
        }
        actualiza(grupo[i]);
    }

    return pos;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> d >> t;
    rep(i,1,n) cin >> arr[i];
    res = n;

    rep(i,1,n) {
        if (arr[i] <= t) {
            pila.push(i);
            grupo[i] = i;
        }
        else {
            while (!pila.empty()) {
                act = pila.top();

                a = arr[act] + (i-act);
                if (a <= t) {grupo[i] = act;break;}
                else pila.pop();
            }
            if (grupo[i] == 0) res--;
        }

    }

    rep(q,1,d) {

        rep(i,1,n) bit[i] = 0;
        op = busca();
        if (op == -1) break;

        rep(i,op+1,n) {
            if (grupo[i] <= op && grupo[i] > 0) {
                grupo[i] = 0;
                res--;
            }
        }
        grupo[op] = 0;

    }

    cout << res;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 91 ms 19072 KB Output is correct
3 Correct 88 ms 19500 KB Output is correct
4 Correct 77 ms 17240 KB Output is correct
5 Correct 63 ms 13892 KB Output is correct
6 Correct 73 ms 15036 KB Output is correct
7 Correct 93 ms 15888 KB Output is correct
8 Correct 80 ms 15940 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 8 ms 460 KB Output is correct
24 Correct 15 ms 484 KB Output is correct
25 Correct 19 ms 484 KB Output is correct
26 Correct 26 ms 460 KB Output is correct
27 Correct 29 ms 460 KB Output is correct
28 Correct 6 ms 460 KB Output is correct
29 Correct 6 ms 460 KB Output is correct
30 Correct 6 ms 332 KB Output is correct
31 Correct 11 ms 448 KB Output is correct
32 Correct 8 ms 456 KB Output is correct
33 Correct 7 ms 332 KB Output is correct
34 Correct 4 ms 328 KB Output is correct
35 Correct 26 ms 332 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 38 ms 3016 KB Output is correct
3 Correct 41 ms 3136 KB Output is correct
4 Correct 27 ms 2632 KB Output is correct
5 Correct 23 ms 3048 KB Output is correct
6 Correct 23 ms 3020 KB Output is correct
7 Correct 24 ms 2380 KB Output is correct
8 Correct 23 ms 2380 KB Output is correct
9 Correct 13 ms 2588 KB Output is correct
10 Correct 33 ms 2508 KB Output is correct

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 8 ms 460 KB Output is correct
24 Correct 15 ms 484 KB Output is correct
25 Correct 19 ms 484 KB Output is correct
26 Correct 26 ms 460 KB Output is correct
27 Correct 29 ms 460 KB Output is correct
28 Correct 6 ms 460 KB Output is correct
29 Correct 6 ms 460 KB Output is correct
30 Correct 6 ms 332 KB Output is correct
31 Correct 11 ms 448 KB Output is correct
32 Correct 8 ms 456 KB Output is correct
33 Correct 7 ms 332 KB Output is correct
34 Correct 4 ms 328 KB Output is correct
35 Correct 26 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 38 ms 3016 KB Output is correct
38 Correct 41 ms 3136 KB Output is correct
39 Correct 27 ms 2632 KB Output is correct
40 Correct 23 ms 3048 KB Output is correct
41 Correct 23 ms 3020 KB Output is correct
42 Correct 24 ms 2380 KB Output is correct
43 Correct 23 ms 2380 KB Output is correct
44 Correct 13 ms 2588 KB Output is correct
45 Correct 33 ms 2508 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 332 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 316 KB Output is correct
57 Correct 8 ms 460 KB Output is correct
58 Correct 15 ms 484 KB Output is correct
59 Correct 19 ms 480 KB Output is correct
60 Correct 26 ms 460 KB Output is correct
61 Correct 28 ms 480 KB Output is correct
62 Correct 5 ms 460 KB Output is correct
63 Correct 6 ms 484 KB Output is correct
64 Correct 6 ms 332 KB Output is correct
65 Correct 11 ms 332 KB Output is correct
66 Correct 7 ms 456 KB Output is correct
67 Correct 7 ms 452 KB Output is correct
68 Correct 4 ms 332 KB Output is correct
69 Correct 26 ms 460 KB Output is correct
70 Correct 1 ms 332 KB Output is correct
71 Correct 40 ms 3016 KB Output is correct
72 Correct 44 ms 3140 KB Output is correct
73 Correct 25 ms 2660 KB Output is correct
74 Correct 23 ms 3020 KB Output is correct
75 Correct 23 ms 2892 KB Output is correct
76 Correct 26 ms 2480 KB Output is correct
77 Correct 24 ms 2396 KB Output is correct
78 Correct 14 ms 2628 KB Output is correct
79 Correct 33 ms 2508 KB Output is correct
80 Execution timed out 2071 ms 3148 KB Time limit exceeded
81 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 91 ms 19072 KB Output is correct
14 Correct 88 ms 19500 KB Output is correct
15 Correct 77 ms 17240 KB Output is correct
16 Correct 63 ms 13892 KB Output is correct
17 Correct 73 ms 15036 KB Output is correct
18 Correct 93 ms 15888 KB Output is correct
19 Correct 80 ms 15940 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 8 ms 460 KB Output is correct
32 Correct 15 ms 484 KB Output is correct
33 Correct 19 ms 484 KB Output is correct
34 Correct 26 ms 460 KB Output is correct
35 Correct 29 ms 460 KB Output is correct
36 Correct 6 ms 460 KB Output is correct
37 Correct 6 ms 460 KB Output is correct
38 Correct 6 ms 332 KB Output is correct
39 Correct 11 ms 448 KB Output is correct
40 Correct 8 ms 456 KB Output is correct
41 Correct 7 ms 332 KB Output is correct
42 Correct 4 ms 328 KB Output is correct
43 Correct 26 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 38 ms 3016 KB Output is correct
46 Correct 41 ms 3136 KB Output is correct
47 Correct 27 ms 2632 KB Output is correct
48 Correct 23 ms 3048 KB Output is correct
49 Correct 23 ms 3020 KB Output is correct
50 Correct 24 ms 2380 KB Output is correct
51 Correct 23 ms 2380 KB Output is correct
52 Correct 13 ms 2588 KB Output is correct
53 Correct 33 ms 2508 KB Output is correct
54 Correct 1 ms 332 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 1 ms 332 KB Output is correct
62 Correct 1 ms 332 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 316 KB Output is correct
65 Correct 8 ms 460 KB Output is correct
66 Correct 15 ms 484 KB Output is correct
67 Correct 19 ms 480 KB Output is correct
68 Correct 26 ms 460 KB Output is correct
69 Correct 28 ms 480 KB Output is correct
70 Correct 5 ms 460 KB Output is correct
71 Correct 6 ms 484 KB Output is correct
72 Correct 6 ms 332 KB Output is correct
73 Correct 11 ms 332 KB Output is correct
74 Correct 7 ms 456 KB Output is correct
75 Correct 7 ms 452 KB Output is correct
76 Correct 4 ms 332 KB Output is correct
77 Correct 26 ms 460 KB Output is correct
78 Correct 1 ms 332 KB Output is correct
79 Correct 40 ms 3016 KB Output is correct
80 Correct 44 ms 3140 KB Output is correct
81 Correct 25 ms 2660 KB Output is correct
82 Correct 23 ms 3020 KB Output is correct
83 Correct 23 ms 2892 KB Output is correct
84 Correct 26 ms 2480 KB Output is correct
85 Correct 24 ms 2396 KB Output is correct
86 Correct 14 ms 2628 KB Output is correct
87 Correct 33 ms 2508 KB Output is correct
88 Execution timed out 2071 ms 3148 KB Time limit exceeded
89 Halted 0 ms 0 KB -