oj.uz

Submission #1057850

# Submission time Handle Problem Language Result Execution time Memory
1057850 2024-08-14T06:49:01 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
17 / 100
 3000 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;
typedef int ll;
typedef long double ld;
#define pb push_back
#define pf push_front
#define fi first
#define se second
const ll mod = 1e9+7, mxn = 1e6+7;
struct node 
{
    vector<ll> v;
    ll mx = -mod, ans = -mod;
};
node merge(node const a, node const b)
{
    node c;
    c.mx = max(a.mx, b.mx);
    c.ans = max({a.ans, b.ans});
    ll p = lower_bound(b.v.begin(), b.v.end(), a.mx)-b.v.begin()-1;
    if (p >= 0) c.ans = max({c.ans,b.v[p]+a.mx});
    ll id_a = 0, id_b = 0;
    while (id_a < a.v.size() && id_b < b.v.size())
    {
        if (a.v[id_a] < b.v[id_b]) c.v.pb(a.v[id_a++]);
        else c.v.pb(b.v[id_b++]);
    } 
    while (id_a < a.v.size()) c.v.pb(a.v[id_a++]);
    while (id_b < b.v.size()) c.v.pb(b.v[id_b++]);
    return c;
}
vector<node> st(mxn<<2);
ll a[mxn], n, q;
void build(ll id, ll l, ll r)
{
    if (l == r) {st[id].mx = a[l]; st[id].v = {a[l]}; return;}
    ll m = (r+l)>>1;
    build(id<<1,l,m); build(id<<1|1,m+1,r);
    st[id] = merge(st[id<<1], st[id<<1|1]);
}
node get(ll id, ll l, ll r, ll u, ll v)
{
    if (u <= l && r <= v) return st[id];
    ll m = (r+l)>>1;
    if (v <= m) return get(id<<1,l,m,u,v);
    else if (m+1 <= u) return get(id<<1|1,m+1,r,u,v);
    else return merge(get(id<<1,l,m,u,v), get(id<<1|1,m+1,r,u,v));
}
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    // freopen("test.inp","r",stdin); freopen("test.out","w",stdout); freopen("test.err","w",stderr);
    cin >> n >> q;
    for (ll i = 1; i <= n; i++) cin >> a[i];
    build(1,1,n);
    while (q--)
    {
        ll l, r, k; cin >> l >> r >> k;
        cout << (get(1,1,n,l,r).ans <= k) << '\n';
    }
}

Compilation message

sortbooks.cpp: In function 'node merge(node, node)':
sortbooks.cpp:23:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     while (id_a < a.v.size() && id_b < b.v.size())
      |            ~~~~~^~~~~~~~~~~~
sortbooks.cpp:23:38: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     while (id_a < a.v.size() && id_b < b.v.size())
      |                                 ~~~~~^~~~~~~~~~~~
sortbooks.cpp:28:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     while (id_a < a.v.size()) c.v.pb(a.v[id_a++]);
      |            ~~~~~^~~~~~~~~~~~
sortbooks.cpp:29:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     while (id_b < b.v.size()) c.v.pb(b.v[id_b++]);
      |            ~~~~~^~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 125528 KB Output is correct
2 Correct 19 ms 125532 KB Output is correct
3 Correct 18 ms 125740 KB Output is correct
4 Correct 19 ms 125532 KB Output is correct
5 Correct 20 ms 125532 KB Output is correct
6 Correct 20 ms 125788 KB Output is correct
7 Correct 19 ms 125788 KB Output is correct
8 Correct 19 ms 125788 KB Output is correct
9 Correct 18 ms 125624 KB Output is correct
10 Correct 18 ms 125592 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 125528 KB Output is correct
2 Correct 19 ms 125532 KB Output is correct
3 Correct 18 ms 125740 KB Output is correct
4 Correct 19 ms 125532 KB Output is correct
5 Correct 20 ms 125532 KB Output is correct
6 Correct 20 ms 125788 KB Output is correct
7 Correct 19 ms 125788 KB Output is correct
8 Correct 19 ms 125788 KB Output is correct
9 Correct 18 ms 125624 KB Output is correct
10 Correct 18 ms 125592 KB Output is correct
11 Correct 37 ms 125784 KB Output is correct
12 Correct 66 ms 126552 KB Output is correct
13 Correct 77 ms 126552 KB Output is correct
14 Correct 110 ms 126556 KB Output is correct
15 Correct 112 ms 126552 KB Output is correct
16 Correct 69 ms 126556 KB Output is correct
17 Correct 32 ms 126296 KB Output is correct
18 Correct 60 ms 126428 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 301 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3071 ms 143460 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 125528 KB Output is correct
2 Correct 19 ms 125532 KB Output is correct
3 Correct 18 ms 125740 KB Output is correct
4 Correct 19 ms 125532 KB Output is correct
5 Correct 20 ms 125532 KB Output is correct
6 Correct 20 ms 125788 KB Output is correct
7 Correct 19 ms 125788 KB Output is correct
8 Correct 19 ms 125788 KB Output is correct
9 Correct 18 ms 125624 KB Output is correct
10 Correct 18 ms 125592 KB Output is correct
11 Correct 37 ms 125784 KB Output is correct
12 Correct 66 ms 126552 KB Output is correct
13 Correct 77 ms 126552 KB Output is correct
14 Correct 110 ms 126556 KB Output is correct
15 Correct 112 ms 126552 KB Output is correct
16 Correct 69 ms 126556 KB Output is correct
17 Correct 32 ms 126296 KB Output is correct
18 Correct 60 ms 126428 KB Output is correct
19 Execution timed out 3072 ms 160192 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 125528 KB Output is correct
2 Correct 19 ms 125532 KB Output is correct
3 Correct 18 ms 125740 KB Output is correct
4 Correct 19 ms 125532 KB Output is correct
5 Correct 20 ms 125532 KB Output is correct
6 Correct 20 ms 125788 KB Output is correct
7 Correct 19 ms 125788 KB Output is correct
8 Correct 19 ms 125788 KB Output is correct
9 Correct 18 ms 125624 KB Output is correct
10 Correct 18 ms 125592 KB Output is correct
11 Correct 37 ms 125784 KB Output is correct
12 Correct 66 ms 126552 KB Output is correct
13 Correct 77 ms 126552 KB Output is correct
14 Correct 110 ms 126556 KB Output is correct
15 Correct 112 ms 126552 KB Output is correct
16 Correct 69 ms 126556 KB Output is correct
17 Correct 32 ms 126296 KB Output is correct
18 Correct 60 ms 126428 KB Output is correct
19 Runtime error 301 ms 262144 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -