Submission #795797

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
795797	2023-07-27 15:21:53	MISM06	ZIGZAG (INOI20_zigzag)	C++14	0 / 100	2062 ms	2800 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;
int n, q;
ll ar[N];
bool iss0 (int l, int r) {
    if (r - l + 1 == 1) return 1;
    int t = 0;
    for (int i = l + 1; i <= r; i++) {
        int s = -1;
        if (ar[i - 1] > ar[i]) s = 0;
        if (ar[i - 1] < ar[i]) s = 1;
        if (s != t) return 0;
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 42
• Subtask 3: 0 / 35
• Subtask 4: 0 / 15