Submission #497551

#	Time	Username	Problem	Language	Result	Execution time	Memory
497551		tmn2005	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	0 / 100	1682 ms	26496 KiB

sortbooks

#include<bits/stdc++.h>
using namespace std;

typedef long long ll;

#define ar array
#define fr first
#define sc second

#define vec vector
#define ret return

#define ins insert
#define mk make_pair
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_back

#define int long long

#define pii pair<int,int>

#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()

#define NeedForSpeed ios::sync_with_stdio(0),cin.tie(0);
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N=1e6+12,INF=1e9,mod = 1e9+7;
bool iswowel(char n){ n = toupper(n); if(n == 'A' || n == 'O' || n == 'U' || n == 'E' || n == 'I') return true; else return false;}
int n,m,k,x,y,l,r,o,ans,res,ok,mx,mn = INF;
int a[N],t[N*4],b,c;

int get_max(int v,int l,int r,int ql,int qr){
	if(r < ql || qr < l)
		ret 0;
	else if(l == r)
		ret l;
	int m = l + r >> 1;
	if(t[v*2] >= t[v*2+1])
		ret get_max(v*2,l,m,ql,qr);
	else 
		ret get_max(v*2+1,m+1,r,ql,qr);
}
void build(int v, int l, int r){
	if(l == r)
		t[v] = a[l];
	else{
		int m = l + r >> 1;
		build(v*2,l,m);
		build(v*2+1,m+1,r);
		
		t[v] = max(t[v*2], t[v*2+1]);
	}
}
main(){
	NeedForSpeed
    cin>>n>>m;
    for(int i=1; i<=n; i++){
    	cin>>a[i];
	}
	build(1,1,n);
	cout<<t[1]<<endl;
	while(m--){
		cin>>l>>r>>k;
		
		int x = get_max(1,1,n,l,r);
		int s = get_max(1,1,n,x+1,r);
		
		if(a[x] + a[s] <= k)cout << 1 << endl;
		else cout<<0<<endl;
	}




	return 0;
}

Compilation message (stderr)

sortbooks.cpp: In function 'long long int get_max(long long int, long long int, long long int, long long int, long long int)':
sortbooks.cpp:39:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |  int m = l + r >> 1;
      |          ~~^~~
sortbooks.cpp: In function 'void build(long long int, long long int, long long int)':
sortbooks.cpp:49:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |   int m = l + r >> 1;
      |           ~~^~~
sortbooks.cpp: At global scope:
sortbooks.cpp:56:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   56 | main(){
      | ^~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23