Submission #90276

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
90276	2018-12-21T04:15:43 Z	YottaByte	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	435 ms	131912 KB

apple

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

const int N = 1e7 + 1;
int t[4 * N], h[4 * N], c;

void push(int v, int l, int r)
{
	if(!h[v]) return;
	if(l == r)
	{
		t[v] = (r - l + 1) * h[v];
		h[v] = 0;
		return;
	}
	else
	{
		t[v] = (r - l + 1) * h[v];
		h[v + v] = h[v];
		h[v + v + 1] = h[v];
		h[v] = 0;
		return;
	}
}

void upd(int v, int l, int r, int ql, int qr)
{
	int mid = l + r >> 1;
	if(r < ql || l > qr) return;
	if(ql <= l && r <= qr)
	{
		h[v] = 1;
		push(v, l, r);
		return;
	}
	else
	{
		upd(v + v, l, mid, ql, qr);
		upd(v + v + 1, mid + 1, r, ql, qr);
	}
	
	push(v + v, l, mid);
	push(v + v + 1, mid + 1, r);
	
	t[v] = t[v + v] + t[v + v + 1];
}

int getsum(int v, int l, int r, int ql, int qr)
{
	push(v, l, r);
	if(r < ql || l > qr) return 0;
	if(ql <= l && r <= qr)
	{
		return t[v];
	}
	else
	{
		int mid = l + r >> 1;
		return getsum(v + v, l, mid, ql, qr) + getsum(v + v + 1, mid + 1, r, ql, qr);
	}
}

main()
{
	int m; cin >> m;
	while(m--)
	{
		int d, l, r;
		cin >> d >> l >> r;
		if(d % 2)
		{
			c = getsum(1, 1, N, l + c, r + c);
			if(r + c > N - 1) assert(0);
			cout << c << endl;
		}
		else
		{
			upd(1, 1, N, l + c, r + c);
		}
	}
}
/*
6
2 1 7
2 10 12
1 7 11
2 11 13
1 8 10
1 15 17
*/

Compilation message

apple.cpp: In function 'void upd(int, int, int, int, int)':
apple.cpp:28:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid = l + r >> 1;
            ~~^~~
apple.cpp: In function 'int getsum(int, int, int, int, int)':
apple.cpp:58:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = l + r >> 1;
             ~~^~~
apple.cpp: At global scope:
apple.cpp:63:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

Subtask #1

0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	500 KB	Output is correct
3	Correct	2 ms	576 KB	Output is correct
4	Correct	39 ms	20576 KB	Output is correct
5	Correct	46 ms	23480 KB	Output is correct
6	Correct	44 ms	23480 KB	Output is correct
7	Correct	46 ms	23480 KB	Output is correct
8	Correct	262 ms	103532 KB	Output is correct
9	Correct	435 ms	131912 KB	Output is correct
10	Runtime error	48 ms	131912 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
11	Halted	0 ms	0 KB	-