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답안 #843537

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
843537 2023-09-04T04:27:39 Z anhduc2701 Fish 2 (JOI22_fish2) C++17
100 / 100
 585 ms 441172 KB 
// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include <bits/stdc++.h>
#define int long long
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0, 1.0);
// #define int long long
#define ld long double
#define pii pair<int, int>
#define piii pair<pii, int>
#define mpp make_pair
#define fi first
#define se second
const int inf = 1e9;
const int mod = 1e9 + 7;
const int maxn = 100005;
const int bl = 650;
const int maxs = 655;
const int maxm = 200005;
const int maxq = 500005;
const int maxl = 35;
const int maxa = 250000;
const int root = 3;
/*
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
const int iroot=power(3,mod-2);
*/
const int base = 101;
int n, f[maxn];
struct node
{
    int pl[maxl], pr[maxl], cl[maxl], cr[maxl], sl[maxl], sr[maxl];
    int szl, szr, sum, cnt;
    node() {}
    void reset(int x)
    {
        szl = szr = 1;
        pl[0] = pr[0] = x;
        sl[0] = sr[0] = cl[0] = cr[0] = 0;
        sum = f[x];
        cnt = 1;
    }
    void print(int l, int r)
    {
        cout << '*' << l << ' ' << r << '\n';
        cout << sum << ' ' << cnt << '\n';
        cout << "#rr\n";
        for (int i = 0; i < szr; i++)
            cout << pr[i] << ' ' << cr[i] << ' ' << sr[i] << '\n';
        cout << "#ll\n";
        for (int i = 0; i < szl; i++)
            cout << pl[i] << ' ' << cl[i] << ' ' << sl[i] << '\n';
    }
};

namespace Segtree
{
    node tree[4 * maxn];
    node s[2];
    int st = -1;
    int add(int a, int b)
    {
        return min(a + b, inf);
    }
    void merge(node &res, node &a, node &b)
    {
        res.szl = a.szl;
        res.szr = b.szr;
        res.sum = a.sum + b.sum;
        res.cnt = 0;
        for (int i = 0; i < res.szl; i++)
            res.pl[i] = a.pl[i], res.cl[i] = a.cl[i], res.sl[i] = a.sl[i];
        for (int i = 0; i < res.szr; i++)
            res.pr[i] = b.pr[i], res.cr[i] = b.cr[i], res.sr[i] = b.sr[i];
        int len = 0, ok = 0;
        if (a.sum > b.sum)
        {
            int cur = b.sum;
            len = res.szr;
            ok = 0;
            for (int i = 0; i < a.szr; i++)
            {
                if (cur + a.sr[i] < f[a.pr[i]])
                {
                    res.pr[res.szr] = a.pr[i];
                    res.sr[res.szr] = add(cur, a.sr[i]);
                    res.cr[res.szr++] = 0;
                }
            }
        }
        else
        {
            int cur = a.sum;
            len = res.szl;
            ok = 1;
            for (int i = 0; i < b.szl; i++)
            {
                if (cur + b.sl[i] < f[b.pl[i]])
                {
                    res.pl[res.szl] = b.pl[i];
                    res.sl[res.szl] = add(cur, b.sl[i]);
                    res.cl[res.szl++] = 0;
                }
            }
        }
        b.sl[b.szl] = b.sum;
        b.cl[b.szl] = b.cnt;
        a.sr[a.szr] = a.sum;
        a.cr[a.szr] = a.cnt;
        int ca = 0, cb = 0, cc = len;
        auto fix = [&](int val)
        {
            while (true)
            {
                if (ca < a.szr && a.sr[ca] + b.sl[cb] >= f[a.pr[ca]])
                    ca++;
                else if (cb < b.szl && a.sr[ca] + b.sl[cb] >= f[b.pl[cb]])
                    cb++;
                else
                    break;
            }
            if (ok && ca == a.szr)
            {
                while (cc < res.szl && (cb == b.szl || res.pl[cc] < b.pl[cb]))
                    cc++;
                if (cc < res.szl)
                    res.cl[cc] += val;
                else
                    res.cnt += val;
            }
            if (!ok && cb == b.szl)
            {
                while (cc < res.szr && (ca == a.szr || res.pr[cc] > a.pr[ca]))
                    cc++;
                if (cc < res.szr)
                    res.cr[cc] += val;
                else
                    res.cnt += val;
            }
        };
        for (int i = 1; i <= a.szr; i++)
        {
            ca = max(ca, i);
            fix(a.cr[i]);
        }
        ca = cb = 0;
        cc = len;
        for (int i = 1; i <= b.szl; i++)
        {
            cb = max(cb, i);
            fix(b.cl[i]);
        }
    }
    void query(int l, int r, int id, int tl, int tr)
    {
        if (r < tl || tr < l)
            return;
        if (tl <= l && r <= tr)
        {
            if (st == -1)
                s[0] = tree[id], st = 0;
            else
                st ^= 1, merge(s[st], s[st ^ 1], tree[id]);
            return;
        }
        int mid = (l + r) >> 1;
        query(l, mid, id << 1, tl, tr);
        query(mid + 1, r, id << 1 | 1, tl, tr);
    }
    int query(int l, int r)
    {
        st = -1;
        query(1, n, 1, l, r);
        return s[st].cnt;
    }
    void update(int l, int r, int id, int pos)
    {
        if (l == r)
        {
            tree[id].reset(l);
            return;
        }
        int mid = (l + r) >> 1;
        if (pos <= mid)
            update(l, mid, id << 1, pos);
        else
            update(mid + 1, r, id << 1 | 1, pos);
        merge(tree[id], tree[id << 1], tree[id << 1 | 1]);
    }
    void build(int l, int r, int id)
    {
        if (l == r)
        {
            tree[id].reset(l);
            return;
        }
        int mid = (l + r) >> 1;
        build(l, mid, id << 1);
        build(mid + 1, r, id << 1 | 1);
        merge(tree[id], tree[id << 1], tree[id << 1 | 1]);
        // tree[id].print(l,r);
    }
}
void solve()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> f[i];
    Segtree::build(1, n, 1);
    int q;
    cin >> q;
    for (int i = 1; i <= q; i++)
    {
        int t, x, y;
        cin >> t >> x >> y;
        if (t == 1)
            f[x] = y, Segtree::update(1, n, 1, x);
        else
            cout << Segtree::query(x, y) << '\n';
    }
}
signed main()
{
    // freopen("input.txt","r",stdin);
    // freopen("out.txt","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int test = 1; // cin >> test;
    while (test--)
        solve();
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2648 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2648 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 2 ms 2648 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2648 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 57 ms 440400 KB Output is correct
3 Correct 56 ms 440404 KB Output is correct
4 Correct 58 ms 440512 KB Output is correct
5 Correct 57 ms 440404 KB Output is correct
6 Correct 59 ms 440400 KB Output is correct
7 Correct 55 ms 440400 KB Output is correct
8 Correct 57 ms 440400 KB Output is correct
9 Correct 55 ms 440300 KB Output is correct
10 Correct 60 ms 440400 KB Output is correct
11 Correct 56 ms 440404 KB Output is correct
12 Correct 54 ms 440404 KB Output is correct
13 Correct 54 ms 440400 KB Output is correct
14 Correct 56 ms 440400 KB Output is correct
15 Correct 64 ms 440400 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2648 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2648 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 2 ms 2648 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2648 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 57 ms 440400 KB Output is correct
23 Correct 56 ms 440404 KB Output is correct
24 Correct 58 ms 440512 KB Output is correct
25 Correct 57 ms 440404 KB Output is correct
26 Correct 59 ms 440400 KB Output is correct
27 Correct 55 ms 440400 KB Output is correct
28 Correct 57 ms 440400 KB Output is correct
29 Correct 55 ms 440300 KB Output is correct
30 Correct 60 ms 440400 KB Output is correct
31 Correct 56 ms 440404 KB Output is correct
32 Correct 54 ms 440404 KB Output is correct
33 Correct 54 ms 440400 KB Output is correct
34 Correct 56 ms 440400 KB Output is correct
35 Correct 64 ms 440400 KB Output is correct
36 Correct 66 ms 440400 KB Output is correct
37 Correct 62 ms 440400 KB Output is correct
38 Correct 62 ms 440520 KB Output is correct
39 Correct 66 ms 440404 KB Output is correct
40 Correct 63 ms 440400 KB Output is correct
41 Correct 62 ms 440484 KB Output is correct
42 Correct 61 ms 440400 KB Output is correct
43 Correct 61 ms 440528 KB Output is correct
44 Correct 60 ms 440432 KB Output is correct
45 Correct 63 ms 440332 KB Output is correct
46 Correct 64 ms 440396 KB Output is correct
47 Correct 62 ms 440476 KB Output is correct
48 Correct 59 ms 440400 KB Output is correct
49 Correct 59 ms 440400 KB Output is correct
50 Correct 60 ms 440448 KB Output is correct
51 Correct 60 ms 440400 KB Output is correct
52 Correct 59 ms 440424 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 57 ms 440400 KB Output is correct
3 Correct 56 ms 440404 KB Output is correct
4 Correct 58 ms 440512 KB Output is correct
5 Correct 57 ms 440404 KB Output is correct
6 Correct 59 ms 440400 KB Output is correct
7 Correct 55 ms 440400 KB Output is correct
8 Correct 57 ms 440400 KB Output is correct
9 Correct 55 ms 440300 KB Output is correct
10 Correct 60 ms 440400 KB Output is correct
11 Correct 56 ms 440404 KB Output is correct
12 Correct 54 ms 440404 KB Output is correct
13 Correct 54 ms 440400 KB Output is correct
14 Correct 56 ms 440400 KB Output is correct
15 Correct 64 ms 440400 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 503 ms 441168 KB Output is correct
18 Correct 443 ms 440964 KB Output is correct
19 Correct 494 ms 441096 KB Output is correct
20 Correct 496 ms 440876 KB Output is correct
21 Correct 497 ms 440808 KB Output is correct
22 Correct 411 ms 440912 KB Output is correct
23 Correct 501 ms 441168 KB Output is correct
24 Correct 505 ms 440912 KB Output is correct
25 Correct 496 ms 440936 KB Output is correct
26 Correct 489 ms 440656 KB Output is correct
27 Correct 278 ms 441096 KB Output is correct
28 Correct 293 ms 441172 KB Output is correct
29 Correct 282 ms 440912 KB Output is correct
30 Correct 385 ms 440568 KB Output is correct
31 Correct 377 ms 440868 KB Output is correct
32 Correct 520 ms 440948 KB Output is correct
33 Correct 567 ms 441136 KB Output is correct
34 Correct 532 ms 440776 KB Output is correct
35 Correct 518 ms 440640 KB Output is correct
36 Correct 537 ms 440892 KB Output is correct
37 Correct 257 ms 440656 KB Output is correct
38 Correct 244 ms 440656 KB Output is correct
39 Correct 307 ms 440912 KB Output is correct
40 Correct 281 ms 441168 KB Output is correct

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 57 ms 440400 KB Output is correct
3 Correct 56 ms 440404 KB Output is correct
4 Correct 58 ms 440512 KB Output is correct
5 Correct 57 ms 440404 KB Output is correct
6 Correct 59 ms 440400 KB Output is correct
7 Correct 55 ms 440400 KB Output is correct
8 Correct 57 ms 440400 KB Output is correct
9 Correct 55 ms 440300 KB Output is correct
10 Correct 60 ms 440400 KB Output is correct
11 Correct 56 ms 440404 KB Output is correct
12 Correct 54 ms 440404 KB Output is correct
13 Correct 54 ms 440400 KB Output is correct
14 Correct 56 ms 440400 KB Output is correct
15 Correct 64 ms 440400 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 372 ms 440684 KB Output is correct
18 Correct 320 ms 440400 KB Output is correct
19 Correct 303 ms 440656 KB Output is correct
20 Correct 255 ms 440736 KB Output is correct
21 Correct 361 ms 440400 KB Output is correct
22 Correct 334 ms 440796 KB Output is correct
23 Correct 358 ms 440880 KB Output is correct
24 Correct 305 ms 440400 KB Output is correct
25 Correct 322 ms 440656 KB Output is correct
26 Correct 213 ms 440728 KB Output is correct
27 Correct 258 ms 440592 KB Output is correct
28 Correct 242 ms 440656 KB Output is correct
29 Correct 220 ms 440628 KB Output is correct
30 Correct 266 ms 440400 KB Output is correct
31 Correct 294 ms 440444 KB Output is correct
32 Correct 322 ms 440656 KB Output is correct
33 Correct 323 ms 440672 KB Output is correct
34 Correct 329 ms 440888 KB Output is correct
35 Correct 285 ms 440656 KB Output is correct
36 Correct 275 ms 440656 KB Output is correct
37 Correct 268 ms 440676 KB Output is correct
38 Correct 188 ms 440656 KB Output is correct
39 Correct 216 ms 440644 KB Output is correct
40 Correct 129 ms 440904 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2648 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2648 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 2 ms 2648 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2648 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 57 ms 440400 KB Output is correct
23 Correct 56 ms 440404 KB Output is correct
24 Correct 58 ms 440512 KB Output is correct
25 Correct 57 ms 440404 KB Output is correct
26 Correct 59 ms 440400 KB Output is correct
27 Correct 55 ms 440400 KB Output is correct
28 Correct 57 ms 440400 KB Output is correct
29 Correct 55 ms 440300 KB Output is correct
30 Correct 60 ms 440400 KB Output is correct
31 Correct 56 ms 440404 KB Output is correct
32 Correct 54 ms 440404 KB Output is correct
33 Correct 54 ms 440400 KB Output is correct
34 Correct 56 ms 440400 KB Output is correct
35 Correct 64 ms 440400 KB Output is correct
36 Correct 66 ms 440400 KB Output is correct
37 Correct 62 ms 440400 KB Output is correct
38 Correct 62 ms 440520 KB Output is correct
39 Correct 66 ms 440404 KB Output is correct
40 Correct 63 ms 440400 KB Output is correct
41 Correct 62 ms 440484 KB Output is correct
42 Correct 61 ms 440400 KB Output is correct
43 Correct 61 ms 440528 KB Output is correct
44 Correct 60 ms 440432 KB Output is correct
45 Correct 63 ms 440332 KB Output is correct
46 Correct 64 ms 440396 KB Output is correct
47 Correct 62 ms 440476 KB Output is correct
48 Correct 59 ms 440400 KB Output is correct
49 Correct 59 ms 440400 KB Output is correct
50 Correct 60 ms 440448 KB Output is correct
51 Correct 60 ms 440400 KB Output is correct
52 Correct 59 ms 440424 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 503 ms 441168 KB Output is correct
55 Correct 443 ms 440964 KB Output is correct
56 Correct 494 ms 441096 KB Output is correct
57 Correct 496 ms 440876 KB Output is correct
58 Correct 497 ms 440808 KB Output is correct
59 Correct 411 ms 440912 KB Output is correct
60 Correct 501 ms 441168 KB Output is correct
61 Correct 505 ms 440912 KB Output is correct
62 Correct 496 ms 440936 KB Output is correct
63 Correct 489 ms 440656 KB Output is correct
64 Correct 278 ms 441096 KB Output is correct
65 Correct 293 ms 441172 KB Output is correct
66 Correct 282 ms 440912 KB Output is correct
67 Correct 385 ms 440568 KB Output is correct
68 Correct 377 ms 440868 KB Output is correct
69 Correct 520 ms 440948 KB Output is correct
70 Correct 567 ms 441136 KB Output is correct
71 Correct 532 ms 440776 KB Output is correct
72 Correct 518 ms 440640 KB Output is correct
73 Correct 537 ms 440892 KB Output is correct
74 Correct 257 ms 440656 KB Output is correct
75 Correct 244 ms 440656 KB Output is correct
76 Correct 307 ms 440912 KB Output is correct
77 Correct 281 ms 441168 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 372 ms 440684 KB Output is correct
80 Correct 320 ms 440400 KB Output is correct
81 Correct 303 ms 440656 KB Output is correct
82 Correct 255 ms 440736 KB Output is correct
83 Correct 361 ms 440400 KB Output is correct
84 Correct 334 ms 440796 KB Output is correct
85 Correct 358 ms 440880 KB Output is correct
86 Correct 305 ms 440400 KB Output is correct
87 Correct 322 ms 440656 KB Output is correct
88 Correct 213 ms 440728 KB Output is correct
89 Correct 258 ms 440592 KB Output is correct
90 Correct 242 ms 440656 KB Output is correct
91 Correct 220 ms 440628 KB Output is correct
92 Correct 266 ms 440400 KB Output is correct
93 Correct 294 ms 440444 KB Output is correct
94 Correct 322 ms 440656 KB Output is correct
95 Correct 323 ms 440672 KB Output is correct
96 Correct 329 ms 440888 KB Output is correct
97 Correct 285 ms 440656 KB Output is correct
98 Correct 275 ms 440656 KB Output is correct
99 Correct 268 ms 440676 KB Output is correct
100 Correct 188 ms 440656 KB Output is correct
101 Correct 216 ms 440644 KB Output is correct
102 Correct 129 ms 440904 KB Output is correct
103 Correct 440 ms 440496 KB Output is correct
104 Correct 349 ms 440656 KB Output is correct
105 Correct 508 ms 440912 KB Output is correct
106 Correct 419 ms 440920 KB Output is correct
107 Correct 454 ms 440536 KB Output is correct
108 Correct 348 ms 440400 KB Output is correct
109 Correct 498 ms 440656 KB Output is correct
110 Correct 394 ms 440912 KB Output is correct
111 Correct 519 ms 440816 KB Output is correct
112 Correct 440 ms 440832 KB Output is correct
113 Correct 297 ms 440676 KB Output is correct
114 Correct 313 ms 441160 KB Output is correct
115 Correct 369 ms 440380 KB Output is correct
116 Correct 409 ms 440660 KB Output is correct
117 Correct 318 ms 440864 KB Output is correct
118 Correct 427 ms 440840 KB Output is correct
119 Correct 362 ms 440392 KB Output is correct
120 Correct 393 ms 440708 KB Output is correct
121 Correct 409 ms 440840 KB Output is correct
122 Correct 394 ms 440400 KB Output is correct
123 Correct 494 ms 440528 KB Output is correct
124 Correct 465 ms 440860 KB Output is correct
125 Correct 585 ms 440668 KB Output is correct
126 Correct 453 ms 441100 KB Output is correct
127 Correct 358 ms 440576 KB Output is correct
128 Correct 305 ms 440656 KB Output is correct
129 Correct 334 ms 440680 KB Output is correct
130 Correct 331 ms 441132 KB Output is correct