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Submission #524440

# Submission time Handle Problem Language Result Execution time Memory
524440 2022-02-09T08:28:43 Z AA_Surely Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1125 ms 71624 KB 
#include <bits/stdc++.h>

#define FOR(i,x,n) 	for(int i=x; i<n; i++)
#define F0R(i,n) 	FOR(i,0,n)
#define ROF(i,x,n) 	for(int i=n-1; i>=x; i--)
#define R0F(i,n) 	ROF(i,0,n)

#define WTF 		cout << "WTF" << endl

#define IOS 		ios::sync_with_stdio(false); cin.tie(0)
#define F 			first
#define S	 		second
#define pb 			push_back

#define ALL(x) 		x.begin(), x.end()
#define RALL(x) 	x.rbegin(), x.rend()

using namespace std;
typedef long long 		LL;

typedef pair<int, int> 	PII;
typedef pair<LL, LL> 	PLL;

typedef vector<int> 	VI;
typedef vector<LL> 		VLL;
typedef vector<PII> 	VPII;
typedef vector<PLL> 	VPLL;

const int MAXN = 1e6 + 7;
const int ALPHA = 27;
const int INF = 1e9 + 7;
const int MOD = 1e9 + 7;
const int LOG = 22;

struct Query {
    int lo, hi, k;
    int id;

    inline bool operator < (const Query other) {
        return hi < other.hi;
    }
} qs[MAXN];

int n, q;
int ns[MAXN], agh[MAXN];
int tree[MAXN << 2], ans[MAXN];

int get(int lq, int rq, int now_on = 1, int ls = 0, int rs = n - 1) {
    if (rq < lq || rq < ls || rs < lq) 
        return -INF;
    if (lq <= ls && rs <= rq) 
        return tree[now_on];
    int mid = (ls + rs) >> 1;
    return max(get(lq, rq, now_on << 1, ls, mid), get(lq, rq, now_on << 1 | 1, mid + 1, rs));
}

void change(int id, int val, int now_on = 1, int ls = 0, int rs = n - 1) {
    if (ls == rs) {
        tree[now_on] = val;
        return;
    }
    int mid = (ls + rs) >> 1;
    if (id <= mid) change(id, val, now_on << 1, ls, mid);
    else change(id, val, now_on << 1 | 1, mid + 1, rs);

    tree[now_on] = max(tree[now_on << 1], tree[now_on << 1 | 1]);
    return;
}

int main() {
    IOS;
    
    cin >> n >> q;
    F0R(i, n) cin >> ns[i];

    stack<int> keep;
    F0R(i, n) {
        while(!keep.empty() && ns[keep.top()] <= ns[i]) 
            keep.pop();
        if (keep.empty()) agh[i] = -1;
        else agh[i] = keep.top();

        keep.push(i);
    }
    /*
    F0R(i, n) cout << agh[i] << ' ';
    cout << endl;
    */

    F0R(i, q) {
        cin >> qs[i].lo >> qs[i].hi >> qs[i].k;
        qs[i].lo--; qs[i].hi--; qs[i].id = i;
    }

    sort(qs, qs + q);
    int ptr = 0;
    F0R(i, n) {
        if (agh[i] != -1) {
            //cout << "for i = " << i << " changing " << agh[i] << " to " << ns[ agh[i] ] + ns[i] << endl;
            change(agh[i], ns[ agh[i] ] + ns[i]);
        }

        while(ptr < q && qs[ptr].hi <= i) {
            ans[ qs[ptr].id ] = (get(qs[ptr].lo, qs[ptr].hi) <= qs[ptr].k);
            ptr++;
        }
    }
#define endl '\n'
    F0R(i, q) cout << ans[i] << endl;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 456 KB Output is correct
12 Correct 5 ms 588 KB Output is correct
13 Correct 5 ms 576 KB Output is correct
14 Correct 7 ms 720 KB Output is correct
15 Correct 7 ms 708 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 3 ms 592 KB Output is correct
18 Correct 3 ms 588 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1125 ms 42192 KB Output is correct
2 Correct 1073 ms 42280 KB Output is correct
3 Correct 1060 ms 38112 KB Output is correct
4 Correct 1042 ms 38196 KB Output is correct
5 Correct 882 ms 60556 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 6184 KB Output is correct
2 Correct 86 ms 6196 KB Output is correct
3 Correct 73 ms 5188 KB Output is correct
4 Correct 96 ms 5176 KB Output is correct
5 Correct 71 ms 5184 KB Output is correct
6 Correct 79 ms 5024 KB Output is correct
7 Correct 64 ms 5060 KB Output is correct
8 Correct 99 ms 4992 KB Output is correct
9 Correct 40 ms 3828 KB Output is correct
10 Correct 63 ms 5000 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 456 KB Output is correct
12 Correct 5 ms 588 KB Output is correct
13 Correct 5 ms 576 KB Output is correct
14 Correct 7 ms 720 KB Output is correct
15 Correct 7 ms 708 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 3 ms 592 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 211 ms 14776 KB Output is correct
20 Correct 214 ms 14752 KB Output is correct
21 Correct 213 ms 14612 KB Output is correct
22 Correct 218 ms 14680 KB Output is correct
23 Correct 210 ms 14688 KB Output is correct
24 Correct 152 ms 12536 KB Output is correct
25 Correct 151 ms 12484 KB Output is correct
26 Correct 160 ms 12744 KB Output is correct
27 Correct 155 ms 12712 KB Output is correct
28 Correct 160 ms 12640 KB Output is correct
29 Correct 156 ms 12796 KB Output is correct
30 Correct 165 ms 12808 KB Output is correct
31 Correct 156 ms 12796 KB Output is correct
32 Correct 161 ms 12812 KB Output is correct
33 Correct 155 ms 12744 KB Output is correct
34 Correct 157 ms 12612 KB Output is correct
35 Correct 146 ms 12356 KB Output is correct
36 Correct 140 ms 12176 KB Output is correct
37 Correct 141 ms 12184 KB Output is correct
38 Correct 153 ms 12380 KB Output is correct
39 Correct 144 ms 12024 KB Output is correct
40 Correct 109 ms 10184 KB Output is correct
41 Correct 136 ms 10948 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 456 KB Output is correct
12 Correct 5 ms 588 KB Output is correct
13 Correct 5 ms 576 KB Output is correct
14 Correct 7 ms 720 KB Output is correct
15 Correct 7 ms 708 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 3 ms 592 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 1125 ms 42192 KB Output is correct
20 Correct 1073 ms 42280 KB Output is correct
21 Correct 1060 ms 38112 KB Output is correct
22 Correct 1042 ms 38196 KB Output is correct
23 Correct 882 ms 60556 KB Output is correct
24 Correct 93 ms 6184 KB Output is correct
25 Correct 86 ms 6196 KB Output is correct
26 Correct 73 ms 5188 KB Output is correct
27 Correct 96 ms 5176 KB Output is correct
28 Correct 71 ms 5184 KB Output is correct
29 Correct 79 ms 5024 KB Output is correct
30 Correct 64 ms 5060 KB Output is correct
31 Correct 99 ms 4992 KB Output is correct
32 Correct 40 ms 3828 KB Output is correct
33 Correct 63 ms 5000 KB Output is correct
34 Correct 211 ms 14776 KB Output is correct
35 Correct 214 ms 14752 KB Output is correct
36 Correct 213 ms 14612 KB Output is correct
37 Correct 218 ms 14680 KB Output is correct
38 Correct 210 ms 14688 KB Output is correct
39 Correct 152 ms 12536 KB Output is correct
40 Correct 151 ms 12484 KB Output is correct
41 Correct 160 ms 12744 KB Output is correct
42 Correct 155 ms 12712 KB Output is correct
43 Correct 160 ms 12640 KB Output is correct
44 Correct 156 ms 12796 KB Output is correct
45 Correct 165 ms 12808 KB Output is correct
46 Correct 156 ms 12796 KB Output is correct
47 Correct 161 ms 12812 KB Output is correct
48 Correct 155 ms 12744 KB Output is correct
49 Correct 157 ms 12612 KB Output is correct
50 Correct 146 ms 12356 KB Output is correct
51 Correct 140 ms 12176 KB Output is correct
52 Correct 141 ms 12184 KB Output is correct
53 Correct 153 ms 12380 KB Output is correct
54 Correct 144 ms 12024 KB Output is correct
55 Correct 109 ms 10184 KB Output is correct
56 Correct 136 ms 10948 KB Output is correct
57 Correct 1051 ms 71480 KB Output is correct
58 Correct 1022 ms 71508 KB Output is correct
59 Correct 1040 ms 71624 KB Output is correct
60 Correct 997 ms 71412 KB Output is correct
61 Correct 993 ms 71428 KB Output is correct
62 Correct 1004 ms 71544 KB Output is correct
63 Correct 806 ms 61608 KB Output is correct
64 Correct 797 ms 61328 KB Output is correct
65 Correct 833 ms 63164 KB Output is correct
66 Correct 861 ms 63088 KB Output is correct
67 Correct 851 ms 63204 KB Output is correct
68 Correct 833 ms 63132 KB Output is correct
69 Correct 844 ms 63168 KB Output is correct
70 Correct 826 ms 63300 KB Output is correct
71 Correct 828 ms 63092 KB Output is correct
72 Correct 827 ms 63068 KB Output is correct
73 Correct 743 ms 59820 KB Output is correct
74 Correct 796 ms 60716 KB Output is correct
75 Correct 736 ms 59572 KB Output is correct
76 Correct 743 ms 59648 KB Output is correct
77 Correct 771 ms 59580 KB Output is correct
78 Correct 763 ms 59584 KB Output is correct
79 Correct 563 ms 48532 KB Output is correct
80 Correct 757 ms 54208 KB Output is correct