Submission #795846

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
795846	2023-07-27 17:35:55	MISM06	ZIGZAG (INOI20_zigzag)	C++14	100 / 100	946 ms	149444 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair < int , int > pii;
typedef pair < int , pii > piii;
typedef pair < ll , ll > pll;
typedef pair < ll , pll > plll;
#define pb  push_back
#define all(x)  x.begin(), x.end()
#define sze     size()
#define F first
#define S second
#define kids    int mid = (tl + tr) >> 1, cl = v << 1, cr = v << 1 | 1;
#define wall__ cout << "________________________________________\n";
const ll N = 3e5 + 10, mod = 1e9 + 7;
struct node {
    ll ans, vl, vr, pre[2], suf[2], pis[2], sis[2], t, len;
    node () {
        ans = 0; vl = 0; vr = 0; pre[0] = pre[1] = 0; suf[0] = suf[1] = 0; pis[0] = pis[1] = 0; sis[0] = sis[1] = 0; t = 1;
        len = 0;
    }
    void set_len (int x) {
        len = x; t = len % 2; t ^= 1;
    }
    void merge (node x, node y) {
        len = x.len + y.len;
        set_len(len);
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 42 / 42
• Subtask 3: 35 / 35
• Subtask 4: 15 / 15