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Submission #502779

# Submission time Handle Problem Language Result Execution time Memory
502779 2022-01-06T15:09:50 Z blue Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 2243 ms 90380 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

using ll = long long;
using vi = vector<int>;
using vll = vector<ll>;

const ll INF = 1'000'000'000'000LL;


int main()
{
    int N, M;
    cin >> N >> M;

    vll w(1+N, 0);
    for(int i = 1; i <= N; i++) cin >> w[i];

    vi p(1+N);

    w[0] = INF;
    vector<int> st{0};

    for(int i = 1; i <= N; i++)
    {
        while(w[st.back()] <= w[i]) st.pop_back(); //wrong?
        p[i] = st.back();
        st.push_back(i);
    }

    vi l(1+M), r(1+M), k(1+M);
    vi rq[1+N];
    for(int q = 1; q <= M; q++)
    {
        cin >> l[q] >> r[q] >> k[q];
        rq[r[q]].push_back(q);
    }

    const int sn = (1<<20);

    vll mx(int(sn<<1), 0);

    int ans[1+M];

    for(int i = 1; i <= N; i++)
    {
        ll val = w[i] + w[p[i]];
        mx[ sn + p[i] ] = max(mx[ sn + p[i] ], val);

        for(int j = (sn + p[i]) >> 1; j >= 1; j >>= 1)
            mx[j] = max(mx[2*j], mx[2*j+1]);


        for(int q: rq[i])
        {
            int x = sn + l[q];
            int y = sn + i + 1;

            ll res = 0;

            while(x < y)
            {
                if(x % 2 == 1)
                {
                    res = max(res, mx[x]);
                    x++;
                }
                if(y % 2 == 1)
                {
                    y--;
                    res = max(res, mx[y]);
                }
                x >>= 1;
                y >>= 1;
            }

            ans[q] = (res <= k[q]);
        }
    }

    for(int q = 1; q <= M; q++) cout << ans[q] << '\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16716 KB Output is correct
2 Correct 9 ms 16672 KB Output is correct
3 Correct 8 ms 16716 KB Output is correct
4 Correct 7 ms 16716 KB Output is correct
5 Correct 8 ms 16652 KB Output is correct
6 Correct 8 ms 16716 KB Output is correct
7 Correct 8 ms 16688 KB Output is correct
8 Correct 7 ms 16716 KB Output is correct
9 Correct 8 ms 16692 KB Output is correct
10 Correct 8 ms 16680 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16716 KB Output is correct
2 Correct 9 ms 16672 KB Output is correct
3 Correct 8 ms 16716 KB Output is correct
4 Correct 7 ms 16716 KB Output is correct
5 Correct 8 ms 16652 KB Output is correct
6 Correct 8 ms 16716 KB Output is correct
7 Correct 8 ms 16688 KB Output is correct
8 Correct 7 ms 16716 KB Output is correct
9 Correct 8 ms 16692 KB Output is correct
10 Correct 8 ms 16680 KB Output is correct
11 Correct 13 ms 16840 KB Output is correct
12 Correct 13 ms 17056 KB Output is correct
13 Correct 12 ms 17072 KB Output is correct
14 Correct 17 ms 17192 KB Output is correct
15 Correct 15 ms 17092 KB Output is correct
16 Correct 13 ms 17052 KB Output is correct
17 Correct 14 ms 17048 KB Output is correct
18 Correct 14 ms 17076 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2091 ms 88060 KB Output is correct
2 Correct 2092 ms 88300 KB Output is correct
3 Correct 2092 ms 90316 KB Output is correct
4 Correct 2028 ms 90380 KB Output is correct
5 Correct 2082 ms 90308 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 23964 KB Output is correct
2 Correct 141 ms 24004 KB Output is correct
3 Correct 145 ms 24356 KB Output is correct
4 Correct 147 ms 24488 KB Output is correct
5 Correct 141 ms 24488 KB Output is correct
6 Correct 125 ms 23448 KB Output is correct
7 Correct 128 ms 23460 KB Output is correct
8 Correct 120 ms 24280 KB Output is correct
9 Correct 88 ms 19808 KB Output is correct
10 Correct 130 ms 24348 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16716 KB Output is correct
2 Correct 9 ms 16672 KB Output is correct
3 Correct 8 ms 16716 KB Output is correct
4 Correct 7 ms 16716 KB Output is correct
5 Correct 8 ms 16652 KB Output is correct
6 Correct 8 ms 16716 KB Output is correct
7 Correct 8 ms 16688 KB Output is correct
8 Correct 7 ms 16716 KB Output is correct
9 Correct 8 ms 16692 KB Output is correct
10 Correct 8 ms 16680 KB Output is correct
11 Correct 13 ms 16840 KB Output is correct
12 Correct 13 ms 17056 KB Output is correct
13 Correct 12 ms 17072 KB Output is correct
14 Correct 17 ms 17192 KB Output is correct
15 Correct 15 ms 17092 KB Output is correct
16 Correct 13 ms 17052 KB Output is correct
17 Correct 14 ms 17048 KB Output is correct
18 Correct 14 ms 17076 KB Output is correct
19 Correct 365 ms 31784 KB Output is correct
20 Correct 379 ms 31376 KB Output is correct
21 Correct 353 ms 29664 KB Output is correct
22 Correct 345 ms 29604 KB Output is correct
23 Correct 415 ms 29708 KB Output is correct
24 Correct 405 ms 29516 KB Output is correct
25 Correct 361 ms 29508 KB Output is correct
26 Correct 396 ms 30264 KB Output is correct
27 Correct 369 ms 30256 KB Output is correct
28 Correct 387 ms 30492 KB Output is correct
29 Correct 387 ms 31428 KB Output is correct
30 Correct 396 ms 31404 KB Output is correct
31 Correct 387 ms 31408 KB Output is correct
32 Correct 368 ms 31256 KB Output is correct
33 Correct 389 ms 31452 KB Output is correct
34 Correct 384 ms 29324 KB Output is correct
35 Correct 338 ms 29352 KB Output is correct
36 Correct 323 ms 29260 KB Output is correct
37 Correct 334 ms 29336 KB Output is correct
38 Correct 370 ms 29328 KB Output is correct
39 Correct 342 ms 31008 KB Output is correct
40 Correct 315 ms 28308 KB Output is correct
41 Correct 312 ms 31116 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16716 KB Output is correct
2 Correct 9 ms 16672 KB Output is correct
3 Correct 8 ms 16716 KB Output is correct
4 Correct 7 ms 16716 KB Output is correct
5 Correct 8 ms 16652 KB Output is correct
6 Correct 8 ms 16716 KB Output is correct
7 Correct 8 ms 16688 KB Output is correct
8 Correct 7 ms 16716 KB Output is correct
9 Correct 8 ms 16692 KB Output is correct
10 Correct 8 ms 16680 KB Output is correct
11 Correct 13 ms 16840 KB Output is correct
12 Correct 13 ms 17056 KB Output is correct
13 Correct 12 ms 17072 KB Output is correct
14 Correct 17 ms 17192 KB Output is correct
15 Correct 15 ms 17092 KB Output is correct
16 Correct 13 ms 17052 KB Output is correct
17 Correct 14 ms 17048 KB Output is correct
18 Correct 14 ms 17076 KB Output is correct
19 Correct 2091 ms 88060 KB Output is correct
20 Correct 2092 ms 88300 KB Output is correct
21 Correct 2092 ms 90316 KB Output is correct
22 Correct 2028 ms 90380 KB Output is correct
23 Correct 2082 ms 90308 KB Output is correct
24 Correct 143 ms 23964 KB Output is correct
25 Correct 141 ms 24004 KB Output is correct
26 Correct 145 ms 24356 KB Output is correct
27 Correct 147 ms 24488 KB Output is correct
28 Correct 141 ms 24488 KB Output is correct
29 Correct 125 ms 23448 KB Output is correct
30 Correct 128 ms 23460 KB Output is correct
31 Correct 120 ms 24280 KB Output is correct
32 Correct 88 ms 19808 KB Output is correct
33 Correct 130 ms 24348 KB Output is correct
34 Correct 365 ms 31784 KB Output is correct
35 Correct 379 ms 31376 KB Output is correct
36 Correct 353 ms 29664 KB Output is correct
37 Correct 345 ms 29604 KB Output is correct
38 Correct 415 ms 29708 KB Output is correct
39 Correct 405 ms 29516 KB Output is correct
40 Correct 361 ms 29508 KB Output is correct
41 Correct 396 ms 30264 KB Output is correct
42 Correct 369 ms 30256 KB Output is correct
43 Correct 387 ms 30492 KB Output is correct
44 Correct 387 ms 31428 KB Output is correct
45 Correct 396 ms 31404 KB Output is correct
46 Correct 387 ms 31408 KB Output is correct
47 Correct 368 ms 31256 KB Output is correct
48 Correct 389 ms 31452 KB Output is correct
49 Correct 384 ms 29324 KB Output is correct
50 Correct 338 ms 29352 KB Output is correct
51 Correct 323 ms 29260 KB Output is correct
52 Correct 334 ms 29336 KB Output is correct
53 Correct 370 ms 29328 KB Output is correct
54 Correct 342 ms 31008 KB Output is correct
55 Correct 315 ms 28308 KB Output is correct
56 Correct 312 ms 31116 KB Output is correct
57 Correct 2179 ms 88512 KB Output is correct
58 Correct 2243 ms 88512 KB Output is correct
59 Correct 2091 ms 84400 KB Output is correct
60 Correct 2070 ms 83968 KB Output is correct
61 Correct 2052 ms 81700 KB Output is correct
62 Correct 2045 ms 81752 KB Output is correct
63 Correct 1840 ms 75848 KB Output is correct
64 Correct 1792 ms 75796 KB Output is correct
65 Correct 2105 ms 81196 KB Output is correct
66 Correct 2070 ms 81088 KB Output is correct
67 Correct 2212 ms 81424 KB Output is correct
68 Correct 2194 ms 85732 KB Output is correct
69 Correct 2119 ms 85736 KB Output is correct
70 Correct 2164 ms 85084 KB Output is correct
71 Correct 2166 ms 85092 KB Output is correct
72 Correct 2238 ms 85012 KB Output is correct
73 Correct 1968 ms 75248 KB Output is correct
74 Correct 1883 ms 75268 KB Output is correct
75 Correct 1843 ms 75248 KB Output is correct
76 Correct 1757 ms 75268 KB Output is correct
77 Correct 1764 ms 75432 KB Output is correct
78 Correct 1963 ms 83896 KB Output is correct
79 Correct 1624 ms 64824 KB Output is correct
80 Correct 1837 ms 84496 KB Output is correct