oj.uz

Submission #848810

# Submission time Handle Problem Language Result Execution time Memory
848810 2023-09-13T14:07:59 Z Itamar Radio Towers (IOI22_towers) C++17
56 / 100
 1104 ms 14144 KB 
#include <vector>
#include <cassert>
#include <cstdio>

#include <vector>
using namespace std;
#define vi vector<int>
#include <set>
vi st;
const int siz = 1e5;
int h[siz];
int d;
#define pi pair<int,int>
#pragma warning(disable : 4996)
struct node {
    int l, r, mid, maxi,ans,repl,repr;
    node* sl, * sr,*t=NULL;
    node(int li, int ri) {
        l = li, r = ri, mid = (l + r) / 2;
        if (l < r) {
            sl = new node(l, mid);
            sr = new node(mid + 1, r);
            maxi = max(sl->maxi, sr->maxi);
        }
        else {
            maxi = h[l];
            ans = 1;
            repl = l, repr=l;
        }
    }
    int qm(int a, int b) {
        if (a > b)return 0;
        if (a > r || b < l)return 0;
        if (a <= l && b >= r)return maxi;
        return max(sl->qm(a, b), sr->qm(a, b));
    }
    void calc(node* top) {
        t = top;
        if (l < r) {
            sl->calc(top), sr->calc(top);
            int l1 = sl->repr, r1 = sr->repl;
            if (t->qm(l1 + 1, r1 - 1) - d >= max(h[l1], h[r1])) {
                ans = sl->ans + sr->ans;
                repl = sl->repl;
                repr = sr->repr;
            }
            else {
                ans = sl->ans - 1 + sr->ans;
                if (sl->repl == l1 && h[l1] > h[r1]) {
                    repl = sr->repl, repr = sr->repr;
                }
                else if (r1 == sr->repr && h[r1] > h[l1]) {
                    repl = sl->repl, repr = sl->repr;
                }
                else {
                    repl = sl->repl, repr = sr->repr;
                }
            }
        }
    }
    int query(int a, int b, int &rep) {
        if (a > r || b < l)return 0;
        if (a <= l && b >= r) {
            if (rep != -1) {
                int l1 = rep, r1 = repl;
                if (t->qm(l1 + 1, r1 - 1) - d >= max(h[l1], h[r1])) {
                    rep = repr;
                    return ans;
                }
                else {
                    if (repl != repr || h[repl] < h[rep]) {
                        rep = repr;
                    }
                    return ans - 1;
                }
            }
            else {
                rep = repr;
                return ans;
            }
        }
        else {
            return sl->query(a, b, rep) + sr->query(a, b, rep);
        }
    }
};
node* seg;
void init(int N, std::vector<int> H) {
    for (int i = 0; i < N; i++)h[i] = H[i];
    seg = new node(0, N - 1);
    /*set<int> s;
    multiset<pi> d;
    for (int i = 0; i < N; i++)s.insert(i);
    for (int i = 0; i < N; i++)d.insert({ 0,i });
    while (s.size()>1) {
        auto it = d.begin(); pi p = *it;
        if(d.fi)
    }*/
}
bool f = 0;
int max_towers(int L, int R, int D) {
    if (f == 0) {
        f = 1;
        d = D;
        seg->calc(seg);
    }
    int k = -1;
    return seg->query(L, R, k);
}
/*
int main() {
    int N, Q;
    assert(2 == scanf("%d %d", &N, &Q));
    std::vector<int> H(N);
    for (int i = 0; i < N; ++i) {
        assert(1 == scanf("%d", &H[i]));
    }
    init(N, H);

    for (int i = 0; i < Q; ++i) {
        int L, R, D;
        assert(3 == scanf("%d %d %d", &L, &R, &D));
        printf("%d\n", max_towers(L, R, D));
    }
    return 0;
}*/

Compilation message

towers.cpp:14: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
   14 | #pragma warning(disable : 4996)
      |

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 433 ms 8536 KB 31st lines differ - on the 1st token, expected: '1', found: '2'
2 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 600 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 612 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 600 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 612 KB Output is correct
36 Correct 14 ms 9140 KB Output is correct
37 Correct 25 ms 13876 KB Output is correct
38 Correct 23 ms 13880 KB Output is correct
39 Correct 24 ms 13884 KB Output is correct
40 Correct 25 ms 13880 KB Output is correct
41 Correct 27 ms 13888 KB Output is correct
42 Correct 28 ms 13980 KB Output is correct
43 Correct 23 ms 13888 KB Output is correct
44 Correct 20 ms 13884 KB Output is correct
45 Correct 24 ms 14036 KB Output is correct
46 Correct 21 ms 13880 KB Output is correct
47 Correct 26 ms 13876 KB Output is correct
48 Correct 22 ms 13884 KB Output is correct
49 Correct 22 ms 13884 KB Output is correct
50 Correct 23 ms 13884 KB Output is correct
51 Correct 28 ms 13888 KB Output is correct
52 Correct 27 ms 13872 KB Output is correct
53 Correct 27 ms 13880 KB Output is correct
54 Correct 27 ms 13872 KB Output is correct
55 Correct 21 ms 14024 KB Output is correct
56 Correct 23 ms 13876 KB Output is correct
57 Correct 25 ms 13620 KB Output is correct
58 Correct 25 ms 13880 KB Output is correct
59 Correct 23 ms 13884 KB Output is correct
60 Correct 27 ms 13884 KB Output is correct
61 Correct 25 ms 13860 KB Output is correct
62 Correct 27 ms 13876 KB Output is correct
63 Correct 23 ms 13876 KB Output is correct
64 Correct 23 ms 13884 KB Output is correct
65 Correct 21 ms 13888 KB Output is correct
66 Correct 24 ms 13884 KB Output is correct
67 Correct 21 ms 13888 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 672 ms 13880 KB Output is correct
2 Correct 851 ms 13912 KB Output is correct
3 Correct 847 ms 13884 KB Output is correct
4 Correct 879 ms 14144 KB Output is correct
5 Correct 981 ms 13880 KB Output is correct
6 Correct 943 ms 13884 KB Output is correct
7 Correct 972 ms 13952 KB Output is correct
8 Correct 935 ms 13884 KB Output is correct
9 Correct 1038 ms 14124 KB Output is correct
10 Correct 919 ms 13876 KB Output is correct
11 Correct 1014 ms 13880 KB Output is correct
12 Correct 871 ms 13880 KB Output is correct
13 Correct 1002 ms 13876 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 23 ms 13988 KB Output is correct
18 Correct 23 ms 13880 KB Output is correct
19 Correct 24 ms 13876 KB Output is correct
20 Correct 22 ms 13884 KB Output is correct
21 Correct 24 ms 13884 KB Output is correct
22 Correct 22 ms 14108 KB Output is correct
23 Correct 22 ms 13888 KB Output is correct
24 Correct 25 ms 13888 KB Output is correct
25 Correct 22 ms 13884 KB Output is correct
26 Correct 23 ms 13872 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 600 KB Output is correct
36 Correct 1 ms 600 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 188 ms 3672 KB 2nd lines differ - on the 1st token, expected: '7063', found: '7197'
2 Halted 0 ms 0 KB -

Subtask #6
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 600 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 612 KB Output is correct
36 Correct 14 ms 9140 KB Output is correct
37 Correct 25 ms 13876 KB Output is correct
38 Correct 23 ms 13880 KB Output is correct
39 Correct 24 ms 13884 KB Output is correct
40 Correct 25 ms 13880 KB Output is correct
41 Correct 27 ms 13888 KB Output is correct
42 Correct 28 ms 13980 KB Output is correct
43 Correct 23 ms 13888 KB Output is correct
44 Correct 20 ms 13884 KB Output is correct
45 Correct 24 ms 14036 KB Output is correct
46 Correct 21 ms 13880 KB Output is correct
47 Correct 26 ms 13876 KB Output is correct
48 Correct 22 ms 13884 KB Output is correct
49 Correct 22 ms 13884 KB Output is correct
50 Correct 23 ms 13884 KB Output is correct
51 Correct 28 ms 13888 KB Output is correct
52 Correct 27 ms 13872 KB Output is correct
53 Correct 27 ms 13880 KB Output is correct
54 Correct 27 ms 13872 KB Output is correct
55 Correct 21 ms 14024 KB Output is correct
56 Correct 23 ms 13876 KB Output is correct
57 Correct 25 ms 13620 KB Output is correct
58 Correct 25 ms 13880 KB Output is correct
59 Correct 23 ms 13884 KB Output is correct
60 Correct 27 ms 13884 KB Output is correct
61 Correct 25 ms 13860 KB Output is correct
62 Correct 27 ms 13876 KB Output is correct
63 Correct 23 ms 13876 KB Output is correct
64 Correct 23 ms 13884 KB Output is correct
65 Correct 21 ms 13888 KB Output is correct
66 Correct 24 ms 13884 KB Output is correct
67 Correct 21 ms 13888 KB Output is correct
68 Correct 672 ms 13880 KB Output is correct
69 Correct 851 ms 13912 KB Output is correct
70 Correct 847 ms 13884 KB Output is correct
71 Correct 879 ms 14144 KB Output is correct
72 Correct 981 ms 13880 KB Output is correct
73 Correct 943 ms 13884 KB Output is correct
74 Correct 972 ms 13952 KB Output is correct
75 Correct 935 ms 13884 KB Output is correct
76 Correct 1038 ms 14124 KB Output is correct
77 Correct 919 ms 13876 KB Output is correct
78 Correct 1014 ms 13880 KB Output is correct
79 Correct 871 ms 13880 KB Output is correct
80 Correct 1002 ms 13876 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 1 ms 600 KB Output is correct
83 Correct 1 ms 600 KB Output is correct
84 Correct 23 ms 13988 KB Output is correct
85 Correct 23 ms 13880 KB Output is correct
86 Correct 24 ms 13876 KB Output is correct
87 Correct 22 ms 13884 KB Output is correct
88 Correct 24 ms 13884 KB Output is correct
89 Correct 22 ms 14108 KB Output is correct
90 Correct 22 ms 13888 KB Output is correct
91 Correct 25 ms 13888 KB Output is correct
92 Correct 22 ms 13884 KB Output is correct
93 Correct 23 ms 13872 KB Output is correct
94 Correct 1 ms 600 KB Output is correct
95 Correct 1 ms 600 KB Output is correct
96 Correct 1 ms 600 KB Output is correct
97 Correct 1 ms 600 KB Output is correct
98 Correct 1 ms 600 KB Output is correct
99 Correct 1 ms 600 KB Output is correct
100 Correct 1 ms 600 KB Output is correct
101 Correct 1 ms 600 KB Output is correct
102 Correct 1 ms 600 KB Output is correct
103 Correct 1 ms 600 KB Output is correct
104 Correct 773 ms 12556 KB Output is correct
105 Correct 983 ms 13888 KB Output is correct
106 Correct 1096 ms 13892 KB Output is correct
107 Correct 1016 ms 13888 KB Output is correct
108 Correct 1104 ms 13888 KB Output is correct
109 Correct 1036 ms 13884 KB Output is correct
110 Correct 904 ms 13912 KB Output is correct
111 Correct 941 ms 13876 KB Output is correct
112 Correct 937 ms 13888 KB Output is correct
113 Correct 877 ms 13876 KB Output is correct
114 Correct 968 ms 13912 KB Output is correct

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 433 ms 8536 KB 31st lines differ - on the 1st token, expected: '1', found: '2'
2 Halted 0 ms 0 KB -