Submission #979022

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
979022	2024-05-10 06:23:41	abc864197532	Fish 3 (JOI24_fish3)	C++17	100 / 100	494 ms	82964 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define pii pair<int, int>
#define all(a) a.begin(), a.end()
const int mod = 998244353, N = 300005;
struct Seg {
    int l, r, m;
    ll lz, sum;
    Seg* ch[2];
    Seg (int _l, int _r) : l(_l), r(_r), m(l + r >> 1), lz(0), sum(0) {
        if (r - l > 1) {
            ch[0] = new Seg(l, m);
            ch[1] = new Seg(m, r);
        }
    }
    void pull() {
        sum = ch[0]->sum + ch[1]->sum;
    }
    void give(ll x) {
        lz += x, sum += x * (r - l);
    }
    void push() {
        if (!lz) {
            return;
        }
        ch[0]->give(lz), ch[1]->give(lz), lz = 0;
    }
 
 
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Compilation message (stderr)

Main.cpp: In constructor 'Seg::Seg(int, int)':
Main.cpp:13:46: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   13 |     Seg (int _l, int _r) : l(_l), r(_r), m(l + r >> 1), lz(0), sum(0) {
      |                                            ~~^~~

• Subtask 1: 9 / 9
• Subtask 2: 7 / 7
• Subtask 3: 28 / 28
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36