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Submission #320909

# Submission time Handle Problem Language Result Execution time Memory
320909 2020-11-10T08:25:11 Z egas Pilot (NOI19_pilot) C++17
89 / 100
 1000 ms 184804 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 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 9 ms 8428 KB Output is correct
22 Correct 10 ms 11500 KB Output is correct
23 Correct 9 ms 8428 KB Output is correct
24 Correct 11 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 167 ms 25572 KB Output is correct
2 Correct 197 ms 32960 KB Output is correct
3 Correct 168 ms 25060 KB Output is correct
4 Correct 172 ms 31584 KB Output is correct
5 Correct 159 ms 24812 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 26728 KB Output is correct
2 Correct 166 ms 26852 KB Output is correct
3 Correct 163 ms 26340 KB Output is correct
4 Correct 170 ms 27364 KB Output is correct
5 Correct 165 ms 26272 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 34148 KB Output is correct
2 Correct 174 ms 33636 KB Output is correct
3 Correct 169 ms 33380 KB Output is correct
4 Correct 189 ms 34788 KB Output is correct
5 Correct 180 ms 34168 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 KB Output is correct
11 Correct 167 ms 25572 KB Output is correct
12 Correct 197 ms 32960 KB Output is correct
13 Correct 168 ms 25060 KB Output is correct
14 Correct 172 ms 31584 KB Output is correct
15 Correct 159 ms 24812 KB Output is correct
16 Correct 158 ms 24804 KB Output is correct
17 Correct 197 ms 32924 KB Output is correct
18 Correct 194 ms 33124 KB Output is correct
19 Correct 156 ms 24684 KB Output is correct
20 Correct 190 ms 32740 KB Output is correct
21 Correct 154 ms 24684 KB Output is correct
22 Correct 179 ms 32100 KB Output is correct
23 Correct 172 ms 26216 KB Output is correct
24 Correct 180 ms 31844 KB Output is correct
25 Correct 170 ms 25452 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 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 9 ms 8428 KB Output is correct
22 Correct 10 ms 11500 KB Output is correct
23 Correct 9 ms 8428 KB Output is correct
24 Correct 11 ms 11500 KB Output is correct
25 Correct 9 ms 8428 KB Output is correct
26 Correct 167 ms 25572 KB Output is correct
27 Correct 197 ms 32960 KB Output is correct
28 Correct 168 ms 25060 KB Output is correct
29 Correct 172 ms 31584 KB Output is correct
30 Correct 159 ms 24812 KB Output is correct
31 Correct 166 ms 26728 KB Output is correct
32 Correct 166 ms 26852 KB Output is correct
33 Correct 163 ms 26340 KB Output is correct
34 Correct 170 ms 27364 KB Output is correct
35 Correct 165 ms 26272 KB Output is correct
36 Correct 177 ms 34148 KB Output is correct
37 Correct 174 ms 33636 KB Output is correct
38 Correct 169 ms 33380 KB Output is correct
39 Correct 189 ms 34788 KB Output is correct
40 Correct 180 ms 34168 KB Output is correct
41 Correct 158 ms 24804 KB Output is correct
42 Correct 197 ms 32924 KB Output is correct
43 Correct 194 ms 33124 KB Output is correct
44 Correct 156 ms 24684 KB Output is correct
45 Correct 190 ms 32740 KB Output is correct
46 Correct 154 ms 24684 KB Output is correct
47 Correct 179 ms 32100 KB Output is correct
48 Correct 172 ms 26216 KB Output is correct
49 Correct 180 ms 31844 KB Output is correct
50 Correct 170 ms 25452 KB Output is correct
51 Correct 189 ms 26980 KB Output is correct
52 Correct 210 ms 33640 KB Output is correct
53 Correct 195 ms 27364 KB Output is correct
54 Correct 211 ms 33636 KB Output is correct
55 Correct 193 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 9 ms 8192 KB Output is correct
10 Correct 8 ms 8168 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 9 ms 8428 KB Output is correct
22 Correct 10 ms 11500 KB Output is correct
23 Correct 9 ms 8428 KB Output is correct
24 Correct 11 ms 11500 KB Output is correct
25 Correct 9 ms 8428 KB Output is correct
26 Correct 167 ms 25572 KB Output is correct
27 Correct 197 ms 32960 KB Output is correct
28 Correct 168 ms 25060 KB Output is correct
29 Correct 172 ms 31584 KB Output is correct
30 Correct 159 ms 24812 KB Output is correct
31 Correct 166 ms 26728 KB Output is correct
32 Correct 166 ms 26852 KB Output is correct
33 Correct 163 ms 26340 KB Output is correct
34 Correct 170 ms 27364 KB Output is correct
35 Correct 165 ms 26272 KB Output is correct
36 Correct 177 ms 34148 KB Output is correct
37 Correct 174 ms 33636 KB Output is correct
38 Correct 169 ms 33380 KB Output is correct
39 Correct 189 ms 34788 KB Output is correct
40 Correct 180 ms 34168 KB Output is correct
41 Correct 158 ms 24804 KB Output is correct
42 Correct 197 ms 32924 KB Output is correct
43 Correct 194 ms 33124 KB Output is correct
44 Correct 156 ms 24684 KB Output is correct
45 Correct 190 ms 32740 KB Output is correct
46 Correct 154 ms 24684 KB Output is correct
47 Correct 179 ms 32100 KB Output is correct
48 Correct 172 ms 26216 KB Output is correct
49 Correct 180 ms 31844 KB Output is correct
50 Correct 170 ms 25452 KB Output is correct
51 Correct 189 ms 26980 KB Output is correct
52 Correct 210 ms 33640 KB Output is correct
53 Correct 195 ms 27364 KB Output is correct
54 Correct 211 ms 33636 KB Output is correct
55 Correct 193 ms 27492 KB Output is correct
56 Execution timed out 1107 ms 184804 KB Time limit exceeded
57 Halted 0 ms 0 KB -