Submission #90290

#	Time	Username	Problem	Language	Result	Execution time	Memory
90290		Aydarov03	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	2 ms	256 KiB

apple

#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 7;

bool tree[N];
int n = N;



void push( int tl , int tr , int v )
{
	if( tree[v] == true )
	{
		tree[v + v] = tree[v + v + 1] = true;
		tree[v] = false;
	}
}


void upd( int l , int r , int v = 1 , int tl = 1 , int tr = 10 )
{
	if( tl > r || tr < l || tree[v] == true)
		return;
	
	if( l <= tl && tr <= r )
	{
		tree[v] = true;	
		return;
	}
		int mid = ( tl + tr ) / 2;
		upd( l , r , v + v , tl , mid );
		upd( l , r , v+v+1 ,mid+1, tr );
}

int get( int l , int r , int v = 1 , int tl = 1 , int tr = 10 )
{
	if( tl > r || tr < l )
		return 0;
	
	if( l <= tl && tr <= r && tree[v] == true )
	{
		return ( tr - tl + 1);
	}
	
	if( tl == tr )return 0;
	
	
	int mid = ( tl + tr ) / 2;
	return get( l , r , v+v , tl , mid ) + get( l , r , v+v+1 , mid+1 , tr );
}



main()
{
	int t , d , l , r;
	cin >> t;
	
	for(int i = 1; i <= t; i++)
	{
		scanf("%d%d%d" , &d , &l , &r);
		
		if( d == 2 )
			upd( l , r );
		else
			cout << get( l , r ) << endl;
	}
	
	
}

Compilation message (stderr)

apple.cpp:54:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
apple.cpp: In function 'int main()':
apple.cpp:61:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d" , &d , &l , &r);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100