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Submission #979855

# Submission time Handle Problem Language Result Execution time Memory
979855 2024-05-11T13:55:19 Z asdasdqwer Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 1701 ms 116772 KB 
#include <bits/stdc++.h>
using namespace std;

#define int int64_t
#define tii array<int,3>

struct Query {
    int l, r, k;
    int idx;

    bool operator<(const Query &q) {
        if (q.r != r) return r < q.r;
        return l < q.l;
    }
};

struct Segtree {
    int n;
    vector<int> seg, lz;

    Segtree(int sz) {
        n=1;
        while (n<sz)n*=2;
        seg.assign(2*n,-1);
        lz.assign(2*n,-1);
    }

    void pushdown(int x) {
        if (lz[x] == -1) return;
        if (seg[2*x+1] < lz[x]) {
            seg[2*x+1] = lz[2*x+1] = lz[x];
        }

        if (seg[2*x+2] < lz[x]) {
            seg[2*x+2] = lz[2*x+2] = lz[x];
        }

        lz[x] = -1;
    }

    void set(int l, int r, int v, int x, int lx, int rx) {
        if (lx >= r || rx <= l) return;
        if (lx >= l && rx <= r) {
            if (seg[x] >= v) return;
            seg[x] = lz[x] = v;
            return;
        }
        pushdown(x);
        int m=(lx+rx)/2;
        set(l, r, v, 2*x+1, lx, m);
        set(l, r, v, 2*x+2, m, rx);

        seg[x] = min(seg[2*x+1], seg[2*x+2]);
    }

    void set(int l, int r, int v) {
        set(l, r, v, 0, 0, n);
    }

    int get(int i, int x, int lx, int rx) {
        if (rx-lx==1) {
            return seg[x];
        }
        pushdown(x);
        int m=(lx+rx)/2;
        if (i<m)return get(i,2*x+1,lx,m);
        return get(i, 2*x+2, m, rx);
    }

    int get(int i) {
        return get(i, 0, 0, n);
    }
};

signed main() {
    int n,m;cin>>n>>m;
    vector<int> a(n);
    for (auto &x:a) cin>>x;

    vector<Query> q;
    vector<bool> ans(m, false);
    for (int i=0;i<m;i++) {
        Query qq;
        qq.idx = i;
        cin>>qq.l>>qq.r>>qq.k;
        qq.l--;qq.r--;
        if (qq.l == qq.r) {
            ans[i] = true;
            continue;
        }

        q.push_back(qq);
    }

    sort(q.begin(), q.end());
    int pt = 0;
    stack<tii> s;

    Segtree sg(n);

    vector<int> ans2(m);

    for (int i=0;i<n;i++) {
        while (s.size() && s.top()[2] <= a[i]) {
            s.pop();
        }

        int last;
        if (s.size()) {
            last = s.top()[1]+1;
            int first = s.top()[0];
            int score = s.top()[2] + a[i];
            sg.set(first, last, score);
        }

        else {
            last = 0;
        }

        s.push({last, i, a[i]});

        // for (int j=0;j<=i;j++) {
        //     cout<<sg.get(j)<<" ";
        // }
        // cout<<"\n";

        while (pt < (int)q.size() && q[pt].r == i) {
            int qt = q[pt].l;
            int val = sg.get(qt);
            ans[q[pt].idx] = (q[pt].k >= val);
            ans2[q[pt].idx] = val;
            pt++;
        }
    }

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

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 600 KB Output is correct
12 Correct 5 ms 908 KB Output is correct
13 Correct 5 ms 860 KB Output is correct
14 Correct 7 ms 980 KB Output is correct
15 Correct 7 ms 1084 KB Output is correct
16 Correct 6 ms 984 KB Output is correct
17 Correct 5 ms 860 KB Output is correct
18 Correct 5 ms 984 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1668 ms 99380 KB Output is correct
2 Correct 1701 ms 100660 KB Output is correct
3 Correct 1642 ms 98784 KB Output is correct
4 Correct 1662 ms 100196 KB Output is correct
5 Correct 1314 ms 99044 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 11044 KB Output is correct
2 Correct 117 ms 11408 KB Output is correct
3 Correct 95 ms 11356 KB Output is correct
4 Correct 95 ms 11196 KB Output is correct
5 Correct 95 ms 11708 KB Output is correct
6 Correct 97 ms 11192 KB Output is correct
7 Correct 91 ms 11192 KB Output is correct
8 Correct 98 ms 10956 KB Output is correct
9 Correct 65 ms 7624 KB Output is correct
10 Correct 95 ms 10936 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 600 KB Output is correct
12 Correct 5 ms 908 KB Output is correct
13 Correct 5 ms 860 KB Output is correct
14 Correct 7 ms 980 KB Output is correct
15 Correct 7 ms 1084 KB Output is correct
16 Correct 6 ms 984 KB Output is correct
17 Correct 5 ms 860 KB Output is correct
18 Correct 5 ms 984 KB Output is correct
19 Correct 294 ms 26544 KB Output is correct
20 Correct 294 ms 24996 KB Output is correct
21 Correct 285 ms 25108 KB Output is correct
22 Correct 286 ms 26000 KB Output is correct
23 Correct 291 ms 25224 KB Output is correct
24 Correct 243 ms 26260 KB Output is correct
25 Correct 243 ms 25024 KB Output is correct
26 Correct 243 ms 25036 KB Output is correct
27 Correct 243 ms 24756 KB Output is correct
28 Correct 248 ms 26432 KB Output is correct
29 Correct 247 ms 26580 KB Output is correct
30 Correct 250 ms 25436 KB Output is correct
31 Correct 250 ms 25324 KB Output is correct
32 Correct 249 ms 26064 KB Output is correct
33 Correct 247 ms 25744 KB Output is correct
34 Correct 247 ms 25744 KB Output is correct
35 Correct 241 ms 24744 KB Output is correct
36 Correct 246 ms 25268 KB Output is correct
37 Correct 234 ms 24992 KB Output is correct
38 Correct 271 ms 25040 KB Output is correct
39 Correct 227 ms 24504 KB Output is correct
40 Correct 189 ms 18880 KB Output is correct
41 Correct 222 ms 23352 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 600 KB Output is correct
12 Correct 5 ms 908 KB Output is correct
13 Correct 5 ms 860 KB Output is correct
14 Correct 7 ms 980 KB Output is correct
15 Correct 7 ms 1084 KB Output is correct
16 Correct 6 ms 984 KB Output is correct
17 Correct 5 ms 860 KB Output is correct
18 Correct 5 ms 984 KB Output is correct
19 Correct 1668 ms 99380 KB Output is correct
20 Correct 1701 ms 100660 KB Output is correct
21 Correct 1642 ms 98784 KB Output is correct
22 Correct 1662 ms 100196 KB Output is correct
23 Correct 1314 ms 99044 KB Output is correct
24 Correct 118 ms 11044 KB Output is correct
25 Correct 117 ms 11408 KB Output is correct
26 Correct 95 ms 11356 KB Output is correct
27 Correct 95 ms 11196 KB Output is correct
28 Correct 95 ms 11708 KB Output is correct
29 Correct 97 ms 11192 KB Output is correct
30 Correct 91 ms 11192 KB Output is correct
31 Correct 98 ms 10956 KB Output is correct
32 Correct 65 ms 7624 KB Output is correct
33 Correct 95 ms 10936 KB Output is correct
34 Correct 294 ms 26544 KB Output is correct
35 Correct 294 ms 24996 KB Output is correct
36 Correct 285 ms 25108 KB Output is correct
37 Correct 286 ms 26000 KB Output is correct
38 Correct 291 ms 25224 KB Output is correct
39 Correct 243 ms 26260 KB Output is correct
40 Correct 243 ms 25024 KB Output is correct
41 Correct 243 ms 25036 KB Output is correct
42 Correct 243 ms 24756 KB Output is correct
43 Correct 248 ms 26432 KB Output is correct
44 Correct 247 ms 26580 KB Output is correct
45 Correct 250 ms 25436 KB Output is correct
46 Correct 250 ms 25324 KB Output is correct
47 Correct 249 ms 26064 KB Output is correct
48 Correct 247 ms 25744 KB Output is correct
49 Correct 247 ms 25744 KB Output is correct
50 Correct 241 ms 24744 KB Output is correct
51 Correct 246 ms 25268 KB Output is correct
52 Correct 234 ms 24992 KB Output is correct
53 Correct 271 ms 25040 KB Output is correct
54 Correct 227 ms 24504 KB Output is correct
55 Correct 189 ms 18880 KB Output is correct
56 Correct 222 ms 23352 KB Output is correct
57 Correct 1680 ms 115840 KB Output is correct
58 Correct 1640 ms 115672 KB Output is correct
59 Correct 1562 ms 115940 KB Output is correct
60 Correct 1572 ms 115784 KB Output is correct
61 Correct 1543 ms 115936 KB Output is correct
62 Correct 1580 ms 115644 KB Output is correct
63 Correct 1208 ms 113888 KB Output is correct
64 Correct 1251 ms 113868 KB Output is correct
65 Correct 1383 ms 115876 KB Output is correct
66 Correct 1322 ms 116404 KB Output is correct
67 Correct 1293 ms 116416 KB Output is correct
68 Correct 1390 ms 115676 KB Output is correct
69 Correct 1399 ms 116772 KB Output is correct
70 Correct 1399 ms 115748 KB Output is correct
71 Correct 1371 ms 116208 KB Output is correct
72 Correct 1407 ms 115672 KB Output is correct
73 Correct 1234 ms 112880 KB Output is correct
74 Correct 1223 ms 113824 KB Output is correct
75 Correct 1210 ms 112556 KB Output is correct
76 Correct 1135 ms 113532 KB Output is correct
77 Correct 1185 ms 113032 KB Output is correct
78 Correct 1484 ms 110176 KB Output is correct
79 Correct 1219 ms 84592 KB Output is correct
80 Correct 1251 ms 107608 KB Output is correct