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Submission #320907

# Submission time Handle Problem Language Result Execution time Memory
320907 2020-11-10T08:23:20 Z egas Pilot (NOI19_pilot) C++14
89 / 100
 1000 ms 184676 KB 
#include <bits/stdc++.h>

using namespace std;

class SparseTable {

private:

    long lookup[1000005][(long)log2l(1000005)+1];

    void buildSparseTable(long arr[], long n) {

        for (long i = 0; i < n; i++)

            lookup[i][0] = arr[i];

        for (long j = 1; (1 << j) <= n; j++) {

            for (long i = 0; (i + (1 << j) - 1) < n; i++) {

                if (lookup[i][j - 1] > lookup[i + (1 << (j - 1))][j - 1])

                    lookup[i][j] = lookup[i][j - 1];

                else

                    lookup[i][j] = lookup[i + (1 << (j - 1))][j - 1];

            }

        }

    }

public:

    SparseTable(vector<long> &a) {

        long num[a.size()];

        for(long i = 0 ; i < a.size() ; i++) {

            num[i]=a[i];

        }

        buildSparseTable(num,a.size());

    }

    long query(long L, long R) {

        L--;

        R--;

        long j = (long)log2(R - L + 1);

        if (lookup[L][j] >= lookup[R - (1 << j) + 1][j])

            return lookup[L][j];

        else

            return lookup[R - (1 << j) + 1][j];

    }

};

int32_t main() {

    ios_base::sync_with_stdio(false);

    cin.tie(0);

    long n;

    cin >> n;

    long m;

    cin >> m;

    vector<long> a(n);

    for(long i = 0 ; i < n ; i++) {

        cin >> a[i];

    }

    vector<long> b(m);

    for(long i = 0 ; i < m ; i++) {

        cin >> b[i];

    }

    vector<long> diff(1000005,0);

    SparseTable ST(a);

    long *last=new long[1000005];

    for(long i = 0 ; i < a.size() ; i++) {

        last[a[i]]=-1;

    }

    for(long i=0; i<n; i++) {

        long ryt=0;

        long l=i;

        long r=a.size()-1;

        while(l<=r) {

            if(l==r) {

                if(ST.query(i+1,l+1)<=a[i]) {

                    ryt=max(ryt,l);

                }

                break;

            }

            long m=(l+r)/2;

            if(ST.query(i+1,m+1)>a[i]) {

                r=m-1;

            } else {

                l=m+1;

                ryt=max(ryt,m);

            }

        }

        ryt=ryt-i+1;

        ryt--;

        long left=1e9;

        l=last[a[i]]+1;

        r=i;

        while(l<=r) {

            if(l==r) {

                if(ST.query(l+1,i+1)<=a[i]) {

                    left=min(left,l);

                }

                break;

            }

            long m=(l+r)/2;

            if(ST.query(m+1,i+1)>a[i]) {

                l=m+1;

            } else {

                r=m-1;

                left=min(left,m);

            }

        }

        left=i-left;

        last[a[i]]=i;

        diff[a[i]]+=((left+1)*(ryt+1));

    }

    for(long i=1; i<diff.size(); i++) {

        diff[i]+=diff[i-1];

    }

    for(long i = 0 ; i < b.size() ; i++) {

        cout << diff[b[i]] << '\n';

    }

    return 0;

}

Compilation message

pilot.cpp: In constructor 'SparseTable::SparseTable(std::vector<long int>&)':
pilot.cpp:41:28: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for(long i = 0 ; i < a.size() ; i++) {
      |                          ~~^~~~~~~~~~
pilot.cpp: In function 'int32_t main()':
pilot.cpp:107:24: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |     for(long i = 0 ; i < a.size() ; i++) {
      |                      ~~^~~~~~~~~~
pilot.cpp:199:20: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  199 |     for(long i=1; i<diff.size(); i++) {
      |                   ~^~~~~~~~~~~~
pilot.cpp:205:24: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  205 |     for(long i = 0 ; i < b.size() ; i++) {
      |                      ~~^~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct
11 Correct 8 ms 8172 KB Output is correct
12 Correct 8 ms 8300 KB Output is correct
13 Correct 8 ms 8172 KB Output is correct
14 Correct 8 ms 8300 KB Output is correct
15 Correct 8 ms 8172 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct
11 Correct 8 ms 8172 KB Output is correct
12 Correct 8 ms 8300 KB Output is correct
13 Correct 8 ms 8172 KB Output is correct
14 Correct 8 ms 8300 KB Output is correct
15 Correct 8 ms 8172 KB Output is correct
16 Correct 8 ms 8172 KB Output is correct
17 Correct 8 ms 8940 KB Output is correct
18 Correct 8 ms 8172 KB Output is correct
19 Correct 8 ms 8940 KB Output is correct
20 Correct 8 ms 8172 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct
11 Correct 8 ms 8172 KB Output is correct
12 Correct 8 ms 8300 KB Output is correct
13 Correct 8 ms 8172 KB Output is correct
14 Correct 8 ms 8300 KB Output is correct
15 Correct 8 ms 8172 KB Output is correct
16 Correct 8 ms 8172 KB Output is correct
17 Correct 8 ms 8940 KB Output is correct
18 Correct 8 ms 8172 KB Output is correct
19 Correct 8 ms 8940 KB Output is correct
20 Correct 8 ms 8172 KB Output is correct
21 Correct 8 ms 8428 KB Output is correct
22 Correct 11 ms 11500 KB Output is correct
23 Correct 9 ms 8428 KB Output is correct
24 Correct 10 ms 11500 KB Output is correct
25 Correct 9 ms 8428 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 25580 KB Output is correct
2 Correct 200 ms 32996 KB Output is correct
3 Correct 164 ms 25060 KB Output is correct
4 Correct 185 ms 31588 KB Output is correct
5 Correct 156 ms 24804 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 171 ms 26816 KB Output is correct
2 Correct 171 ms 26724 KB Output is correct
3 Correct 164 ms 26464 KB Output is correct
4 Correct 173 ms 27364 KB Output is correct
5 Correct 159 ms 26340 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 180 ms 34148 KB Output is correct
2 Correct 171 ms 33636 KB Output is correct
3 Correct 174 ms 33380 KB Output is correct
4 Correct 187 ms 34916 KB Output is correct
5 Correct 193 ms 34020 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct
11 Correct 173 ms 25580 KB Output is correct
12 Correct 200 ms 32996 KB Output is correct
13 Correct 164 ms 25060 KB Output is correct
14 Correct 185 ms 31588 KB Output is correct
15 Correct 156 ms 24804 KB Output is correct
16 Correct 159 ms 24804 KB Output is correct
17 Correct 196 ms 32996 KB Output is correct
18 Correct 195 ms 33124 KB Output is correct
19 Correct 155 ms 24676 KB Output is correct
20 Correct 184 ms 32612 KB Output is correct
21 Correct 156 ms 24608 KB Output is correct
22 Correct 182 ms 32100 KB Output is correct
23 Correct 173 ms 26080 KB Output is correct
24 Correct 170 ms 31716 KB Output is correct
25 Correct 165 ms 25440 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct
11 Correct 8 ms 8172 KB Output is correct
12 Correct 8 ms 8300 KB Output is correct
13 Correct 8 ms 8172 KB Output is correct
14 Correct 8 ms 8300 KB Output is correct
15 Correct 8 ms 8172 KB Output is correct
16 Correct 8 ms 8172 KB Output is correct
17 Correct 8 ms 8940 KB Output is correct
18 Correct 8 ms 8172 KB Output is correct
19 Correct 8 ms 8940 KB Output is correct
20 Correct 8 ms 8172 KB Output is correct
21 Correct 8 ms 8428 KB Output is correct
22 Correct 11 ms 11500 KB Output is correct
23 Correct 9 ms 8428 KB Output is correct
24 Correct 10 ms 11500 KB Output is correct
25 Correct 9 ms 8428 KB Output is correct
26 Correct 173 ms 25580 KB Output is correct
27 Correct 200 ms 32996 KB Output is correct
28 Correct 164 ms 25060 KB Output is correct
29 Correct 185 ms 31588 KB Output is correct
30 Correct 156 ms 24804 KB Output is correct
31 Correct 171 ms 26816 KB Output is correct
32 Correct 171 ms 26724 KB Output is correct
33 Correct 164 ms 26464 KB Output is correct
34 Correct 173 ms 27364 KB Output is correct
35 Correct 159 ms 26340 KB Output is correct
36 Correct 180 ms 34148 KB Output is correct
37 Correct 171 ms 33636 KB Output is correct
38 Correct 174 ms 33380 KB Output is correct
39 Correct 187 ms 34916 KB Output is correct
40 Correct 193 ms 34020 KB Output is correct
41 Correct 159 ms 24804 KB Output is correct
42 Correct 196 ms 32996 KB Output is correct
43 Correct 195 ms 33124 KB Output is correct
44 Correct 155 ms 24676 KB Output is correct
45 Correct 184 ms 32612 KB Output is correct
46 Correct 156 ms 24608 KB Output is correct
47 Correct 182 ms 32100 KB Output is correct
48 Correct 173 ms 26080 KB Output is correct
49 Correct 170 ms 31716 KB Output is correct
50 Correct 165 ms 25440 KB Output is correct
51 Correct 204 ms 26980 KB Output is correct
52 Correct 214 ms 33784 KB Output is correct
53 Correct 200 ms 27364 KB Output is correct
54 Correct 210 ms 33700 KB Output is correct
55 Correct 204 ms 27492 KB Output is correct

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8172 KB Output is correct
2 Correct 8 ms 8172 KB Output is correct
3 Correct 8 ms 8172 KB Output is correct
4 Correct 8 ms 8172 KB Output is correct
5 Correct 8 ms 8172 KB Output is correct
6 Correct 8 ms 8172 KB Output is correct
7 Correct 8 ms 8172 KB Output is correct
8 Correct 8 ms 8172 KB Output is correct
9 Correct 8 ms 8172 KB Output is correct
10 Correct 8 ms 8172 KB Output is correct
11 Correct 8 ms 8172 KB Output is correct
12 Correct 8 ms 8300 KB Output is correct
13 Correct 8 ms 8172 KB Output is correct
14 Correct 8 ms 8300 KB Output is correct
15 Correct 8 ms 8172 KB Output is correct
16 Correct 8 ms 8172 KB Output is correct
17 Correct 8 ms 8940 KB Output is correct
18 Correct 8 ms 8172 KB Output is correct
19 Correct 8 ms 8940 KB Output is correct
20 Correct 8 ms 8172 KB Output is correct
21 Correct 8 ms 8428 KB Output is correct
22 Correct 11 ms 11500 KB Output is correct
23 Correct 9 ms 8428 KB Output is correct
24 Correct 10 ms 11500 KB Output is correct
25 Correct 9 ms 8428 KB Output is correct
26 Correct 173 ms 25580 KB Output is correct
27 Correct 200 ms 32996 KB Output is correct
28 Correct 164 ms 25060 KB Output is correct
29 Correct 185 ms 31588 KB Output is correct
30 Correct 156 ms 24804 KB Output is correct
31 Correct 171 ms 26816 KB Output is correct
32 Correct 171 ms 26724 KB Output is correct
33 Correct 164 ms 26464 KB Output is correct
34 Correct 173 ms 27364 KB Output is correct
35 Correct 159 ms 26340 KB Output is correct
36 Correct 180 ms 34148 KB Output is correct
37 Correct 171 ms 33636 KB Output is correct
38 Correct 174 ms 33380 KB Output is correct
39 Correct 187 ms 34916 KB Output is correct
40 Correct 193 ms 34020 KB Output is correct
41 Correct 159 ms 24804 KB Output is correct
42 Correct 196 ms 32996 KB Output is correct
43 Correct 195 ms 33124 KB Output is correct
44 Correct 155 ms 24676 KB Output is correct
45 Correct 184 ms 32612 KB Output is correct
46 Correct 156 ms 24608 KB Output is correct
47 Correct 182 ms 32100 KB Output is correct
48 Correct 173 ms 26080 KB Output is correct
49 Correct 170 ms 31716 KB Output is correct
50 Correct 165 ms 25440 KB Output is correct
51 Correct 204 ms 26980 KB Output is correct
52 Correct 214 ms 33784 KB Output is correct
53 Correct 200 ms 27364 KB Output is correct
54 Correct 210 ms 33700 KB Output is correct
55 Correct 204 ms 27492 KB Output is correct
56 Execution timed out 1098 ms 184676 KB Time limit exceeded
57 Halted 0 ms 0 KB -