oj.uz

Submission #578995

# Submission time Handle Problem Language Result Execution time Memory
578995 2022-06-18T09:34:46 Z LucaIlie Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
64 / 100
 1564 ms 262144 KB 
#include <bits/stdc++.h>
 
#define MAX_N 1000000
#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 AINT {
    struct nod {
        int maxEffort, maxW;
        vector <int> v;
    };
 
    struct answer {
        int maxEfort, maxW;
    };
 
    nod aint[4 * MAX_N];
    answer ans;
 
    void init( int nod, int l, int r ) {
        int mid, i, j;
 
        if ( l == r ) {
            aint[nod].maxEffort = 0;
            aint[nod].maxW = w[l];
            aint[nod].v.push_back( w[l] );
            return;
        }
 
        mid = (l + r) / 2;
        init( nod * 2 + 1, l, mid );
        init( nod * 2 + 2, mid + 1, r );
 
        aint[nod].maxW = max( aint[nod * 2 + 1].maxW, aint[nod * 2 + 2].maxW );
        aint[nod].maxEffort = max( max( aint[nod * 2 + 1].maxEffort, aint[nod * 2 + 2].maxEffort ), aint[nod * 2 + 1].maxW + lower( aint[nod * 2 + 2].v, aint[nod * 2 + 1].maxW ) );
 
        i = j = 0;
        while ( i < aint[nod * 2 + 1].v.size() && j < aint[nod * 2 + 2].v.size() ) {
            if ( aint[nod * 2 + 1].v[i] < aint[nod * 2 + 2].v[j] ) {
                aint[nod].v.push_back( aint[nod * 2 + 1].v[i] );
                i++;
            } else {
                aint[nod].v.push_back( aint[nod * 2 + 2].v[j] );
                j++;
            }
        }
        while ( i < aint[nod * 2 + 1].v.size() ) {
            aint[nod].v.push_back( aint[nod * 2 + 1].v[i] );
            i++;
        }
        while ( j < aint[nod * 2 + 2].v.size() ) {
            aint[nod].v.push_back( aint[nod * 2 + 2].v[j] );
            j++;
        }
    }
 
    void query( int nod, int l, int r, int lq, int rq ) {
        int mid;
 
        if ( nod == 0 )
            ans = { 0, 0 };
 
        if ( l > rq || r < lq )
            return;
 
        if ( lq <= l && r <= rq ) {
            ans.maxEfort = max( max( ans.maxEfort, aint[nod].maxEffort ), ans.maxW + lower( aint[nod].v, ans.maxW ) );
            ans.maxW = max( ans.maxW, aint[nod].maxW );
            return;
        }
 
        mid = (l + r) / 2;
        query( nod * 2 + 1, l, mid, lq, rq );
        query( nod * 2 + 2, mid + 1, r, lq, rq );
    }
};
 
AINT shelf;
 
signed main() {
    int n, m, l, r, k, i;
 
    cin >> n >> m;
    for ( i = 0; i < n; i++ )
        cin >> w[i];
 
    shelf.init( 0, 0, n - 1 );
 
    for ( i = 0; i < m; i++ ) {
        cin >> l >> r >> k;
 
        shelf.query( 0, 0, n - 1, l - 1, r - 1 );
 
        if ( shelf.ans.maxEfort > k )
            cout << "0\n";
        else
            cout << "1\n";
    }
 
    return 0;
}

Compilation message

sortbooks.cpp: In member function 'void AINT::init(long long int, long long int, long long int)':
sortbooks.cpp:59:19: 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]
   59 |         while ( i < aint[nod * 2 + 1].v.size() && j < aint[nod * 2 + 2].v.size() ) {
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:59:53: 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]
   59 |         while ( i < aint[nod * 2 + 1].v.size() && j < aint[nod * 2 + 2].v.size() ) {
      |                                                   ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:68:19: 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]
   68 |         while ( i < aint[nod * 2 + 1].v.size() ) {
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:72:19: 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]
   72 |         while ( j < aint[nod * 2 + 2].v.size() ) {
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 156812 KB Output is correct
2 Correct 71 ms 156832 KB Output is correct
3 Correct 70 ms 156748 KB Output is correct
4 Correct 73 ms 156812 KB Output is correct
5 Correct 82 ms 156844 KB Output is correct
6 Correct 76 ms 156876 KB Output is correct
7 Correct 89 ms 156868 KB Output is correct
8 Correct 75 ms 156876 KB Output is correct
9 Correct 77 ms 156780 KB Output is correct
10 Correct 87 ms 156856 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 156812 KB Output is correct
2 Correct 71 ms 156832 KB Output is correct
3 Correct 70 ms 156748 KB Output is correct
4 Correct 73 ms 156812 KB Output is correct
5 Correct 82 ms 156844 KB Output is correct
6 Correct 76 ms 156876 KB Output is correct
7 Correct 89 ms 156868 KB Output is correct
8 Correct 75 ms 156876 KB Output is correct
9 Correct 77 ms 156780 KB Output is correct
10 Correct 87 ms 156856 KB Output is correct
11 Correct 93 ms 157128 KB Output is correct
12 Correct 86 ms 157768 KB Output is correct
13 Correct 88 ms 157772 KB Output is correct
14 Correct 91 ms 157876 KB Output is correct
15 Correct 112 ms 157824 KB Output is correct
16 Correct 91 ms 157900 KB Output is correct
17 Correct 94 ms 157492 KB Output is correct
18 Correct 95 ms 157808 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 716 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 695 ms 178780 KB Output is correct
2 Correct 647 ms 178712 KB Output is correct
3 Correct 617 ms 178808 KB Output is correct
4 Correct 630 ms 178800 KB Output is correct
5 Correct 704 ms 178764 KB Output is correct
6 Correct 511 ms 178756 KB Output is correct
7 Correct 556 ms 178772 KB Output is correct
8 Correct 594 ms 178772 KB Output is correct
9 Correct 317 ms 157076 KB Output is correct
10 Correct 593 ms 178792 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 156812 KB Output is correct
2 Correct 71 ms 156832 KB Output is correct
3 Correct 70 ms 156748 KB Output is correct
4 Correct 73 ms 156812 KB Output is correct
5 Correct 82 ms 156844 KB Output is correct
6 Correct 76 ms 156876 KB Output is correct
7 Correct 89 ms 156868 KB Output is correct
8 Correct 75 ms 156876 KB Output is correct
9 Correct 77 ms 156780 KB Output is correct
10 Correct 87 ms 156856 KB Output is correct
11 Correct 93 ms 157128 KB Output is correct
12 Correct 86 ms 157768 KB Output is correct
13 Correct 88 ms 157772 KB Output is correct
14 Correct 91 ms 157876 KB Output is correct
15 Correct 112 ms 157824 KB Output is correct
16 Correct 91 ms 157900 KB Output is correct
17 Correct 94 ms 157492 KB Output is correct
18 Correct 95 ms 157808 KB Output is correct
19 Correct 1415 ms 202376 KB Output is correct
20 Correct 1564 ms 202256 KB Output is correct
21 Correct 1234 ms 202288 KB Output is correct
22 Correct 1338 ms 202348 KB Output is correct
23 Correct 1308 ms 202340 KB Output is correct
24 Correct 1388 ms 202368 KB Output is correct
25 Correct 1130 ms 202284 KB Output is correct
26 Correct 1325 ms 202436 KB Output is correct
27 Correct 1188 ms 202288 KB Output is correct
28 Correct 1188 ms 202344 KB Output is correct
29 Correct 1202 ms 202292 KB Output is correct
30 Correct 1328 ms 202376 KB Output is correct
31 Correct 1344 ms 202408 KB Output is correct
32 Correct 1270 ms 202428 KB Output is correct
33 Correct 1427 ms 202448 KB Output is correct
34 Correct 1061 ms 202388 KB Output is correct
35 Correct 1053 ms 202368 KB Output is correct
36 Correct 1076 ms 202460 KB Output is correct
37 Correct 996 ms 202492 KB Output is correct
38 Correct 1037 ms 202412 KB Output is correct
39 Correct 1086 ms 202268 KB Output is correct
40 Correct 884 ms 182492 KB Output is correct
41 Correct 1137 ms 202352 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 156812 KB Output is correct
2 Correct 71 ms 156832 KB Output is correct
3 Correct 70 ms 156748 KB Output is correct
4 Correct 73 ms 156812 KB Output is correct
5 Correct 82 ms 156844 KB Output is correct
6 Correct 76 ms 156876 KB Output is correct
7 Correct 89 ms 156868 KB Output is correct
8 Correct 75 ms 156876 KB Output is correct
9 Correct 77 ms 156780 KB Output is correct
10 Correct 87 ms 156856 KB Output is correct
11 Correct 93 ms 157128 KB Output is correct
12 Correct 86 ms 157768 KB Output is correct
13 Correct 88 ms 157772 KB Output is correct
14 Correct 91 ms 157876 KB Output is correct
15 Correct 112 ms 157824 KB Output is correct
16 Correct 91 ms 157900 KB Output is correct
17 Correct 94 ms 157492 KB Output is correct
18 Correct 95 ms 157808 KB Output is correct
19 Runtime error 716 ms 262144 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -