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Submission #958559

# Submission time Handle Problem Language Result Execution time Memory
958559 2024-04-06T03:51:26 Z peterandvoi Fire (JOI20_ho_t5) C++17
100 / 100
 271 ms 30292 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef ngu
#include "debug.h"
#else
#define debug(...) 42
#endif

#define int long long

const int N = (int) 2e5 + 5;

int n, q;
int a[N], res[N];
vector<pair<int, int>> Q[N];

struct fenwick {
    int n;
    vector<int> s;

    fenwick(int n): n(n) {
        s.resize(n);
    }

    void upd(int i, int x) {
        for (; i <= n; i += i & -i) {
            s[i - 1] += x;
        }
    }

    int get(int i) {
        int res = 0;
        for (; i; i -= i & -i) {
            res += s[i - 1];
        }
        return res;
    }
};

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    #ifdef ngu
    freopen("test.inp", "r", stdin);
    freopen("test.out", "w", stdout);
    #endif
    cin >> n >> q;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
    }
    for (int i = 1; i <= q; ++i) {
        int t, l, r;
        cin >> t >> l >> r;
        Q[r].emplace_back(t, i);
        Q[l - 1].emplace_back(t, -i);
    }
    fenwick ft1(n + 1), ft2(n + 1);
    auto upd = [&](int i, int v) {
        i++;
        ft1.upd(i, v);
        ft2.upd(i, -v * (i - 1));
    };
    auto get = [&](int i) {
        i++;
        return ft1.get(i) * i + ft2.get(i);
    };
    vector<int> st, pref;
    st.emplace_back(-n);
    pref.emplace_back(0);
    for (int i = 1; i <= n; ++i) {
        while (st.size() && st.back() > 0 && a[st.back()] <= a[i]) {
            upd(i - st.back(), -a[st.back()]);
            upd(i - st.end()[-2], a[st.back()]);
            st.pop_back();
            pref.pop_back();
        }
        upd(0, a[i]);
        upd(i - st.back(), -a[i]);
        pref.emplace_back(pref.back() + (i - st.back()) * a[i]);
        st.emplace_back(i);
        for (auto [t, id] : Q[i]) {
            int val = get(t);
            int p = lower_bound(st.begin(), st.end(), i - t) - st.begin();
            val -= (st[p] + t - i) * a[st[p]] + pref.back() - pref[p];
            if (id > 0) {
                res[id] += val;
            } else {
                res[-id] -= val;
            }
        }
    }
    for (int i = 1; i <= q; ++i) {
        cout << res[i] << "\n";
    }
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6744 KB Output is correct
3 Correct 2 ms 6748 KB Output is correct
4 Correct 2 ms 6756 KB Output is correct
5 Correct 1 ms 6744 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct
7 Correct 2 ms 6748 KB Output is correct
8 Correct 2 ms 6748 KB Output is correct
9 Correct 2 ms 6748 KB Output is correct
10 Correct 2 ms 6748 KB Output is correct
11 Correct 2 ms 7004 KB Output is correct
12 Correct 2 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 2 ms 6748 KB Output is correct
15 Correct 2 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 1 ms 6792 KB Output is correct
20 Correct 2 ms 6748 KB Output is correct
21 Correct 2 ms 6748 KB Output is correct
22 Correct 2 ms 6748 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 1 ms 6748 KB Output is correct
26 Correct 2 ms 6748 KB Output is correct
27 Correct 2 ms 6748 KB Output is correct
28 Correct 1 ms 6812 KB Output is correct
29 Correct 2 ms 6748 KB Output is correct
30 Correct 1 ms 6612 KB Output is correct
31 Correct 2 ms 6748 KB Output is correct
32 Correct 2 ms 6748 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 241 ms 29728 KB Output is correct
3 Correct 244 ms 29780 KB Output is correct
4 Correct 249 ms 29776 KB Output is correct
5 Correct 261 ms 29704 KB Output is correct
6 Correct 230 ms 29264 KB Output is correct
7 Correct 266 ms 30152 KB Output is correct
8 Correct 240 ms 29776 KB Output is correct
9 Correct 242 ms 30032 KB Output is correct
10 Correct 226 ms 29776 KB Output is correct
11 Correct 248 ms 30292 KB Output is correct
12 Correct 240 ms 29524 KB Output is correct
13 Correct 233 ms 29580 KB Output is correct
14 Correct 254 ms 29448 KB Output is correct
15 Correct 239 ms 29524 KB Output is correct
16 Correct 228 ms 29576 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 243 ms 29124 KB Output is correct
3 Correct 254 ms 28644 KB Output is correct
4 Correct 233 ms 29264 KB Output is correct
5 Correct 244 ms 28752 KB Output is correct
6 Correct 236 ms 28788 KB Output is correct
7 Correct 246 ms 28752 KB Output is correct
8 Correct 244 ms 29264 KB Output is correct
9 Correct 238 ms 28752 KB Output is correct
10 Correct 230 ms 28496 KB Output is correct
11 Correct 237 ms 29264 KB Output is correct
12 Correct 228 ms 28680 KB Output is correct
13 Correct 243 ms 29488 KB Output is correct
14 Correct 245 ms 28748 KB Output is correct
15 Correct 239 ms 29088 KB Output is correct
16 Correct 227 ms 28588 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 198 ms 26192 KB Output is correct
2 Correct 185 ms 26192 KB Output is correct
3 Correct 203 ms 26708 KB Output is correct
4 Correct 211 ms 26704 KB Output is correct
5 Correct 199 ms 26704 KB Output is correct
6 Correct 197 ms 26072 KB Output is correct
7 Correct 215 ms 26400 KB Output is correct
8 Correct 201 ms 26524 KB Output is correct
9 Correct 195 ms 26500 KB Output is correct
10 Correct 183 ms 26436 KB Output is correct
11 Correct 196 ms 26700 KB Output is correct
12 Correct 201 ms 26632 KB Output is correct
13 Correct 208 ms 26516 KB Output is correct
14 Correct 196 ms 26732 KB Output is correct

Subtask #5
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6744 KB Output is correct
3 Correct 2 ms 6748 KB Output is correct
4 Correct 2 ms 6756 KB Output is correct
5 Correct 1 ms 6744 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct
7 Correct 2 ms 6748 KB Output is correct
8 Correct 2 ms 6748 KB Output is correct
9 Correct 2 ms 6748 KB Output is correct
10 Correct 2 ms 6748 KB Output is correct
11 Correct 2 ms 7004 KB Output is correct
12 Correct 2 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 2 ms 6748 KB Output is correct
15 Correct 2 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 1 ms 6792 KB Output is correct
20 Correct 2 ms 6748 KB Output is correct
21 Correct 2 ms 6748 KB Output is correct
22 Correct 2 ms 6748 KB Output is correct
23 Correct 2 ms 6748 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 1 ms 6748 KB Output is correct
26 Correct 2 ms 6748 KB Output is correct
27 Correct 2 ms 6748 KB Output is correct
28 Correct 1 ms 6812 KB Output is correct
29 Correct 2 ms 6748 KB Output is correct
30 Correct 1 ms 6612 KB Output is correct
31 Correct 2 ms 6748 KB Output is correct
32 Correct 2 ms 6748 KB Output is correct
33 Correct 241 ms 29728 KB Output is correct
34 Correct 244 ms 29780 KB Output is correct
35 Correct 249 ms 29776 KB Output is correct
36 Correct 261 ms 29704 KB Output is correct
37 Correct 230 ms 29264 KB Output is correct
38 Correct 266 ms 30152 KB Output is correct
39 Correct 240 ms 29776 KB Output is correct
40 Correct 242 ms 30032 KB Output is correct
41 Correct 226 ms 29776 KB Output is correct
42 Correct 248 ms 30292 KB Output is correct
43 Correct 240 ms 29524 KB Output is correct
44 Correct 233 ms 29580 KB Output is correct
45 Correct 254 ms 29448 KB Output is correct
46 Correct 239 ms 29524 KB Output is correct
47 Correct 228 ms 29576 KB Output is correct
48 Correct 243 ms 29124 KB Output is correct
49 Correct 254 ms 28644 KB Output is correct
50 Correct 233 ms 29264 KB Output is correct
51 Correct 244 ms 28752 KB Output is correct
52 Correct 236 ms 28788 KB Output is correct
53 Correct 246 ms 28752 KB Output is correct
54 Correct 244 ms 29264 KB Output is correct
55 Correct 238 ms 28752 KB Output is correct
56 Correct 230 ms 28496 KB Output is correct
57 Correct 237 ms 29264 KB Output is correct
58 Correct 228 ms 28680 KB Output is correct
59 Correct 243 ms 29488 KB Output is correct
60 Correct 245 ms 28748 KB Output is correct
61 Correct 239 ms 29088 KB Output is correct
62 Correct 227 ms 28588 KB Output is correct
63 Correct 198 ms 26192 KB Output is correct
64 Correct 185 ms 26192 KB Output is correct
65 Correct 203 ms 26708 KB Output is correct
66 Correct 211 ms 26704 KB Output is correct
67 Correct 199 ms 26704 KB Output is correct
68 Correct 197 ms 26072 KB Output is correct
69 Correct 215 ms 26400 KB Output is correct
70 Correct 201 ms 26524 KB Output is correct
71 Correct 195 ms 26500 KB Output is correct
72 Correct 183 ms 26436 KB Output is correct
73 Correct 196 ms 26700 KB Output is correct
74 Correct 201 ms 26632 KB Output is correct
75 Correct 208 ms 26516 KB Output is correct
76 Correct 196 ms 26732 KB Output is correct
77 Correct 241 ms 29744 KB Output is correct
78 Correct 230 ms 30224 KB Output is correct
79 Correct 249 ms 29660 KB Output is correct
80 Correct 248 ms 29800 KB Output is correct
81 Correct 235 ms 29592 KB Output is correct
82 Correct 249 ms 29704 KB Output is correct
83 Correct 240 ms 29520 KB Output is correct
84 Correct 244 ms 29724 KB Output is correct
85 Correct 247 ms 29572 KB Output is correct
86 Correct 249 ms 30036 KB Output is correct
87 Correct 252 ms 30168 KB Output is correct
88 Correct 247 ms 30088 KB Output is correct
89 Correct 230 ms 29660 KB Output is correct
90 Correct 240 ms 29828 KB Output is correct
91 Correct 228 ms 29524 KB Output is correct
92 Correct 230 ms 29520 KB Output is correct
93 Correct 241 ms 29640 KB Output is correct
94 Correct 257 ms 30248 KB Output is correct
95 Correct 249 ms 30036 KB Output is correct
96 Correct 247 ms 29776 KB Output is correct
97 Correct 271 ms 30132 KB Output is correct
98 Correct 224 ms 29264 KB Output is correct
99 Correct 258 ms 29272 KB Output is correct
100 Correct 239 ms 29568 KB Output is correct
101 Correct 240 ms 29348 KB Output is correct
102 Correct 235 ms 29916 KB Output is correct