oj.uz

Submission #521805

# Submission time Handle Problem Language Result Execution time Memory
521805 2022-02-03T07:56:53 Z LucaIlie Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
17 / 100
 365 ms 262148 KB 
#include <bits/stdc++.h>

#define MAX_N 100000
#define MAX_LOG_N 19
#define int long long

using namespace std;

int w[MAX_N];

int lower( vector <int> v, int x ) {
    int l, r, mid;

    l = 0;
    r = v.size();
    while ( r - l > 1 ) {
        mid = (l + r) / 2;

        if ( v[mid] < x )
            l = mid;
        else
            r = mid;
    }

    return v[l] < x ? v[l] : -x;
}

struct sparseTable {
    struct nod {
        int maxW, maxEfort;
        vector <int> v;
    };

    int n;
    nod table[MAX_N][MAX_LOG_N + 1];

    void init( int x[], int m ) {
        int i, p, i1, i2;

        n = m;

        for ( i = 0; i < n; i++ ) {
            table[i][0].maxW = x[i];
            table[i][0].maxEfort = 0;
            table[i][0].v.push_back( x[i] );
        }
        for ( p = 1; (1 << p) <= n; p++ ) {
            for ( i = 0; i <= n - (1 << p); i++ ) {
                table[i][p].maxW = max( table[i][p - 1].maxW, table[i + (1 << (p - 1))][p - 1].maxW );
                table[i][p].maxEfort = max( max( table[i][p - 1].maxEfort, table[i + (1 << (p - 1))][p - 1].maxEfort ), table[i][p - 1].maxW + lower( table[i + (1 << (p - 1))][p - 1].v, table[i][p - 1].maxW ) );

                i1 = i2 = 0;
                while ( i1 < table[i][p - 1].v.size() && i2 < table[i + (1 << (p - 1))][p - 1].v.size() ) {
                    if ( table[i][p - 1].v[i1] < table[i + (1 << (p - 1))][p - 1].v[i2] ) {
                        table[i][p].v.push_back( table[i][p - 1].v[i1] );
                        i1++;
                    } else {
                        table[i][p].v.push_back( table[i + (1 << (p - 1))][p - 1].v[i2] );
                        i2++;
                    }
                }
                while ( i1 < table[i][p - 1].v.size() ) {
                    table[i][p].v.push_back( table[i][p - 1].v[i1] );
                    i1++;
                }
                while ( i2 < table[i + (1 << (p - 1))][p - 1].v.size() ) {
                    table[i][p].v.push_back( table[i + (1 << (p - 1))][p - 1].v[i2] );
                    i2++;
                }
            }
        }
    }

    int query( int l, int r ) {
        int len, e, mW, p;

        len = r - l + 1;

        e = 0;
        mW = 0;
        for ( p = 0; (1 << p) <= len; p++ ) {
            if ( len & (1 << p) ) {
                e = max( max( e, table[l][p].maxEfort ), mW + lower( table[l][p].v, mW ) );
                mW = max( mW, table[l][p].maxW );
                l += (1 << p);
            }
        }

        return e;
    }
};

sparseTable shelf;

signed main() {
    int n, m, l, r, k, i;

    cin >> n >> m;
    for ( i = 0; i < n; i++ )
        cin >> w[i];

    shelf.init( w, n );

    for ( i = 0; i < m; i++ ) {
        cin >> l >> r >> k;

        if ( shelf.query( l - 1, r - 1 ) > k )
            cout << "0\n";
        else
            cout << "1\n";
    }

    return 0;
}

Compilation message

sortbooks.cpp: In member function 'void sparseTable::init(long long int*, long long int)':
sortbooks.cpp:53:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |                 while ( i1 < table[i][p - 1].v.size() && i2 < table[i + (1 << (p - 1))][p - 1].v.size() ) {
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:53:61: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |                 while ( i1 < table[i][p - 1].v.size() && i2 < table[i + (1 << (p - 1))][p - 1].v.size() ) {
      |                                                          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:62:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |                 while ( i1 < table[i][p - 1].v.size() ) {
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:66:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |                 while ( i2 < table[i + (1 << (p - 1))][p - 1].v.size() ) {
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 78540 KB Output is correct
2 Correct 34 ms 78456 KB Output is correct
3 Correct 41 ms 78628 KB Output is correct
4 Correct 35 ms 78540 KB Output is correct
5 Correct 36 ms 78796 KB Output is correct
6 Correct 40 ms 79840 KB Output is correct
7 Correct 40 ms 79876 KB Output is correct
8 Correct 38 ms 79852 KB Output is correct
9 Correct 38 ms 78900 KB Output is correct
10 Correct 39 ms 79852 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 78540 KB Output is correct
2 Correct 34 ms 78456 KB Output is correct
3 Correct 41 ms 78628 KB Output is correct
4 Correct 35 ms 78540 KB Output is correct
5 Correct 36 ms 78796 KB Output is correct
6 Correct 40 ms 79840 KB Output is correct
7 Correct 40 ms 79876 KB Output is correct
8 Correct 38 ms 79852 KB Output is correct
9 Correct 38 ms 78900 KB Output is correct
10 Correct 39 ms 79852 KB Output is correct
11 Correct 60 ms 90964 KB Output is correct
12 Correct 199 ms 216292 KB Output is correct
13 Correct 205 ms 215700 KB Output is correct
14 Correct 218 ms 225000 KB Output is correct
15 Correct 219 ms 225244 KB Output is correct
16 Correct 211 ms 225172 KB Output is correct
17 Correct 139 ms 166980 KB Output is correct
18 Correct 197 ms 225208 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 125 ms 160580 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 365 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 78540 KB Output is correct
2 Correct 34 ms 78456 KB Output is correct
3 Correct 41 ms 78628 KB Output is correct
4 Correct 35 ms 78540 KB Output is correct
5 Correct 36 ms 78796 KB Output is correct
6 Correct 40 ms 79840 KB Output is correct
7 Correct 40 ms 79876 KB Output is correct
8 Correct 38 ms 79852 KB Output is correct
9 Correct 38 ms 78900 KB Output is correct
10 Correct 39 ms 79852 KB Output is correct
11 Correct 60 ms 90964 KB Output is correct
12 Correct 199 ms 216292 KB Output is correct
13 Correct 205 ms 215700 KB Output is correct
14 Correct 218 ms 225000 KB Output is correct
15 Correct 219 ms 225244 KB Output is correct
16 Correct 211 ms 225172 KB Output is correct
17 Correct 139 ms 166980 KB Output is correct
18 Correct 197 ms 225208 KB Output is correct
19 Runtime error 130 ms 160820 KB Execution killed with signal 11
20 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 78540 KB Output is correct
2 Correct 34 ms 78456 KB Output is correct
3 Correct 41 ms 78628 KB Output is correct
4 Correct 35 ms 78540 KB Output is correct
5 Correct 36 ms 78796 KB Output is correct
6 Correct 40 ms 79840 KB Output is correct
7 Correct 40 ms 79876 KB Output is correct
8 Correct 38 ms 79852 KB Output is correct
9 Correct 38 ms 78900 KB Output is correct
10 Correct 39 ms 79852 KB Output is correct
11 Correct 60 ms 90964 KB Output is correct
12 Correct 199 ms 216292 KB Output is correct
13 Correct 205 ms 215700 KB Output is correct
14 Correct 218 ms 225000 KB Output is correct
15 Correct 219 ms 225244 KB Output is correct
16 Correct 211 ms 225172 KB Output is correct
17 Correct 139 ms 166980 KB Output is correct
18 Correct 197 ms 225208 KB Output is correct
19 Runtime error 125 ms 160580 KB Execution killed with signal 11
20 Halted 0 ms 0 KB -