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Submission #147752

# Submission time Handle Problem Language Result Execution time Memory
147752 2019-08-30T14:38:49 Z andrew Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1723 ms 152308 KB 
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>

#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")

#define fi first
#define se second
#define p_b push_back
#define pll pair<ll,ll>
#define pii pair<int,int>
#define m_p make_pair
#define all(x) x.begin(),x.end()
#define sset ordered_set
#define sqr(x) (x)*(x)
#define pw(x) (1ll << x)

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
const ll MAXN = 1123456;
const ll N = 2e5;
mt19937_64 rnd(chrono::system_clock::now().time_since_epoch().count());

template <typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

template <typename T> void vout(T s){cout << s << endl;exit(0);}

ll ans[MAXN];

vector <ll> v[MAXN];

struct qry{
    ll l, r, idx, k;
};

bool cmp(qry a, qry b){
    if(a.l > b.l)return 1;
    if(a.l < b.l)return 0;
    return (a.idx < b.idx);
}

ll t[4 * MAXN];

void modify(ll v, ll tl, ll tr, ll pos, ll val){
    if(tl == tr)t[v] = val; else{
        ll tm = (tl + tr) >> 1;
        if(pos <= tm)modify(v << 1, tl, tm, pos, val);
        else modify((v << 1) + 1, tm + 1, tr, pos, val);
        t[v] = max(t[v << 1], t[(v << 1) + 1]);
    }
}

ll get(ll v, ll tl, ll tr, ll l, ll r){
    if(l > r)return 0;
    if(tl == l && tr == r)return t[v];
    ll tm = (tl + tr) >> 1;
    return max(get(v << 1, tl, tm, l, min(r, tm)), get((v << 1) + 1, tm + 1, tr, max(l, tm + 1), r));
}

int main(){
    ios_base :: sync_with_stdio(0);
    cin.tie(0);

    ll n, m;
    cin >> n >> m;

    vector <ll> w(n + 1), le(n + 1);

    for(int i = 1; i <= n; i++)cin >> w[i];

    w[0] = 1e18;

    vector <ll> st;
    st.p_b(0);

    for(int i = 1; i <= n; i++){
        while(w[st.back()] <= w[i])st.pop_back();
        le[i] = st.back();
        v[le[i]].p_b(i);
        st.p_b(i);
    }

    vector <qry> c(m);

    ll uk = n;

    for(int i = 0; i < m; i++){
        cin >> c[i].l >> c[i].r >> c[i].k;
        c[i].idx = i;
    }

    sort(all(c), cmp);

    for(auto kek : c){
        while(kek.l < uk){
            for(auto j : v[uk - 1]){
                modify(1, 1, n, j, w[uk - 1] + w[j]);
            }
            uk--;
        }
        ans[kek.idx] = (get(1, 1, n, kek.l, kek.r) <= kek.k);
    }

    for(int i = 0; i < m; i++)cout << ans[i] << "\n";

    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 26744 KB Output is correct
2 Correct 25 ms 26744 KB Output is correct
3 Correct 26 ms 26744 KB Output is correct
4 Correct 25 ms 26744 KB Output is correct
5 Correct 25 ms 26744 KB Output is correct
6 Correct 26 ms 26744 KB Output is correct
7 Correct 26 ms 26872 KB Output is correct
8 Correct 26 ms 26744 KB Output is correct
9 Correct 26 ms 26744 KB Output is correct
10 Correct 26 ms 26744 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 26744 KB Output is correct
2 Correct 25 ms 26744 KB Output is correct
3 Correct 26 ms 26744 KB Output is correct
4 Correct 25 ms 26744 KB Output is correct
5 Correct 25 ms 26744 KB Output is correct
6 Correct 26 ms 26744 KB Output is correct
7 Correct 26 ms 26872 KB Output is correct
8 Correct 26 ms 26744 KB Output is correct
9 Correct 26 ms 26744 KB Output is correct
10 Correct 26 ms 26744 KB Output is correct
11 Correct 29 ms 27000 KB Output is correct
12 Correct 29 ms 27260 KB Output is correct
13 Correct 30 ms 27444 KB Output is correct
14 Correct 32 ms 27384 KB Output is correct
15 Correct 32 ms 27384 KB Output is correct
16 Correct 30 ms 27256 KB Output is correct
17 Correct 29 ms 27256 KB Output is correct
18 Correct 30 ms 27280 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1679 ms 118712 KB Output is correct
2 Correct 1686 ms 118876 KB Output is correct
3 Correct 1658 ms 118792 KB Output is correct
4 Correct 1684 ms 118840 KB Output is correct
5 Correct 1409 ms 91768 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 36332 KB Output is correct
2 Correct 149 ms 38392 KB Output is correct
3 Correct 133 ms 35304 KB Output is correct
4 Correct 133 ms 35292 KB Output is correct
5 Correct 137 ms 35324 KB Output is correct
6 Correct 122 ms 35440 KB Output is correct
7 Correct 124 ms 35464 KB Output is correct
8 Correct 125 ms 36732 KB Output is correct
9 Correct 88 ms 32248 KB Output is correct
10 Correct 124 ms 36208 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 26744 KB Output is correct
2 Correct 25 ms 26744 KB Output is correct
3 Correct 26 ms 26744 KB Output is correct
4 Correct 25 ms 26744 KB Output is correct
5 Correct 25 ms 26744 KB Output is correct
6 Correct 26 ms 26744 KB Output is correct
7 Correct 26 ms 26872 KB Output is correct
8 Correct 26 ms 26744 KB Output is correct
9 Correct 26 ms 26744 KB Output is correct
10 Correct 26 ms 26744 KB Output is correct
11 Correct 29 ms 27000 KB Output is correct
12 Correct 29 ms 27260 KB Output is correct
13 Correct 30 ms 27444 KB Output is correct
14 Correct 32 ms 27384 KB Output is correct
15 Correct 32 ms 27384 KB Output is correct
16 Correct 30 ms 27256 KB Output is correct
17 Correct 29 ms 27256 KB Output is correct
18 Correct 30 ms 27280 KB Output is correct
19 Correct 332 ms 52628 KB Output is correct
20 Correct 330 ms 52572 KB Output is correct
21 Correct 304 ms 52336 KB Output is correct
22 Correct 302 ms 52344 KB Output is correct
23 Correct 302 ms 52344 KB Output is correct
24 Correct 260 ms 46236 KB Output is correct
25 Correct 261 ms 46188 KB Output is correct
26 Correct 271 ms 46444 KB Output is correct
27 Correct 274 ms 46376 KB Output is correct
28 Correct 272 ms 46316 KB Output is correct
29 Correct 276 ms 46500 KB Output is correct
30 Correct 278 ms 46416 KB Output is correct
31 Correct 283 ms 46520 KB Output is correct
32 Correct 278 ms 46444 KB Output is correct
33 Correct 277 ms 46444 KB Output is correct
34 Correct 254 ms 46060 KB Output is correct
35 Correct 253 ms 46140 KB Output is correct
36 Correct 268 ms 45904 KB Output is correct
37 Correct 253 ms 45824 KB Output is correct
38 Correct 255 ms 46060 KB Output is correct
39 Correct 262 ms 47012 KB Output is correct
40 Correct 212 ms 43320 KB Output is correct
41 Correct 251 ms 47444 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 26744 KB Output is correct
2 Correct 25 ms 26744 KB Output is correct
3 Correct 26 ms 26744 KB Output is correct
4 Correct 25 ms 26744 KB Output is correct
5 Correct 25 ms 26744 KB Output is correct
6 Correct 26 ms 26744 KB Output is correct
7 Correct 26 ms 26872 KB Output is correct
8 Correct 26 ms 26744 KB Output is correct
9 Correct 26 ms 26744 KB Output is correct
10 Correct 26 ms 26744 KB Output is correct
11 Correct 29 ms 27000 KB Output is correct
12 Correct 29 ms 27260 KB Output is correct
13 Correct 30 ms 27444 KB Output is correct
14 Correct 32 ms 27384 KB Output is correct
15 Correct 32 ms 27384 KB Output is correct
16 Correct 30 ms 27256 KB Output is correct
17 Correct 29 ms 27256 KB Output is correct
18 Correct 30 ms 27280 KB Output is correct
19 Correct 1679 ms 118712 KB Output is correct
20 Correct 1686 ms 118876 KB Output is correct
21 Correct 1658 ms 118792 KB Output is correct
22 Correct 1684 ms 118840 KB Output is correct
23 Correct 1409 ms 91768 KB Output is correct
24 Correct 154 ms 36332 KB Output is correct
25 Correct 149 ms 38392 KB Output is correct
26 Correct 133 ms 35304 KB Output is correct
27 Correct 133 ms 35292 KB Output is correct
28 Correct 137 ms 35324 KB Output is correct
29 Correct 122 ms 35440 KB Output is correct
30 Correct 124 ms 35464 KB Output is correct
31 Correct 125 ms 36732 KB Output is correct
32 Correct 88 ms 32248 KB Output is correct
33 Correct 124 ms 36208 KB Output is correct
34 Correct 332 ms 52628 KB Output is correct
35 Correct 330 ms 52572 KB Output is correct
36 Correct 304 ms 52336 KB Output is correct
37 Correct 302 ms 52344 KB Output is correct
38 Correct 302 ms 52344 KB Output is correct
39 Correct 260 ms 46236 KB Output is correct
40 Correct 261 ms 46188 KB Output is correct
41 Correct 271 ms 46444 KB Output is correct
42 Correct 274 ms 46376 KB Output is correct
43 Correct 272 ms 46316 KB Output is correct
44 Correct 276 ms 46500 KB Output is correct
45 Correct 278 ms 46416 KB Output is correct
46 Correct 283 ms 46520 KB Output is correct
47 Correct 278 ms 46444 KB Output is correct
48 Correct 277 ms 46444 KB Output is correct
49 Correct 254 ms 46060 KB Output is correct
50 Correct 253 ms 46140 KB Output is correct
51 Correct 268 ms 45904 KB Output is correct
52 Correct 253 ms 45824 KB Output is correct
53 Correct 255 ms 46060 KB Output is correct
54 Correct 262 ms 47012 KB Output is correct
55 Correct 212 ms 43320 KB Output is correct
56 Correct 251 ms 47444 KB Output is correct
57 Correct 1693 ms 152252 KB Output is correct
58 Correct 1723 ms 152308 KB Output is correct
59 Correct 1657 ms 152224 KB Output is correct
60 Correct 1663 ms 152236 KB Output is correct
61 Correct 1649 ms 152248 KB Output is correct
62 Correct 1678 ms 152204 KB Output is correct
63 Correct 1325 ms 123176 KB Output is correct
64 Correct 1345 ms 123172 KB Output is correct
65 Correct 1408 ms 125144 KB Output is correct
66 Correct 1563 ms 125068 KB Output is correct
67 Correct 1389 ms 124992 KB Output is correct
68 Correct 1462 ms 125172 KB Output is correct
69 Correct 1418 ms 125160 KB Output is correct
70 Correct 1418 ms 125072 KB Output is correct
71 Correct 1396 ms 125276 KB Output is correct
72 Correct 1428 ms 125244 KB Output is correct
73 Correct 1270 ms 121816 KB Output is correct
74 Correct 1289 ms 122712 KB Output is correct
75 Correct 1277 ms 121788 KB Output is correct
76 Correct 1279 ms 121684 KB Output is correct
77 Correct 1283 ms 121800 KB Output is correct
78 Correct 1329 ms 128220 KB Output is correct
79 Correct 1022 ms 105956 KB Output is correct
80 Correct 1286 ms 130112 KB Output is correct