Submission #30616

# Submission time Handle Problem Language Result Execution time Memory
30616 2017-07-25T12:35:15 Z nibnalin Game (IOI13_game) C++14
100 / 100
12246 ms 45320 KB
#include <iostream>
#include <cstdio>
#include <vector>
#include <ctime>
#include <cstdlib>
#include "game.h"
using namespace std;
 
typedef long long int lli;
 
lli gcd2(lli X, lli Y) {
	lli tmp;
	while (X != Y && Y != 0) {
		tmp = X;
		X = Y;
		Y = tmp % Y;
	}
	return X;
}
 
struct ppnode0 {
	int key, prior;
	lli self, v;
	ppnode0 *l, *r;
	ppnode0(int _key = 0, lli _self = 0ll, lli _v = 0ll, ppnode0*_l = NULL, ppnode0*_r = NULL)
	{
		key = _key, self = _self, v = _v, l = _l, r = _r;
		prior = rand();
	}
};
 
typedef ppnode0* pnode0;
 
inline lli getv(pnode0 t)
{
	return (t?t->v:0ll);
}
 
void upd(pnode0& t)
{
	if(t) t->v = gcd2(t->self, gcd2(getv(t->l), getv(t->r)));
}
 
void split(pnode0 t, pnode0& L, pnode0& R, int k)
{
	if(!t)
	{
		L = R = NULL;
		return;
	}
	if(t->key <= k)
	{
		split(t->r, t->r, R, k);
		L = t;
	}
	else
	{
		split(t->l, L, t->l, k);
		R = t;
	}
	upd(t);
}
 
void merge(pnode0& t, pnode0 L, pnode0 R)
{
	if(!L || !R)
	{
		t = (L?L:R);
		return;
	}
	if(L->prior > R->prior)
	{
		merge(L->r, L->r, R);
		t = L;
	}
	else
	{
		merge(R->l, L, R->l);
		t = R;
	}
	upd(t);
}
 
lli findval(pnode0& t, int k)
{
	if(!t) return 0ll;
	if(t->key == k) return t->self;
	else if(t->key < k) return findval(t->r, k);
	else return findval(t->l, k);
}
 
struct ppnode1 {
	pnode0 v;
	ppnode1 *l, *r;
	ppnode1(pnode0 _v = NULL, ppnode1* _l = NULL, ppnode1* _r = NULL)
	{
		v = _v, l = _l, r = _r;
	}
};
 
typedef ppnode1* pnode1;
 
lli qry0(pnode0& root, int a, int b)
{
	if(!root) return 0;
	pnode0 part1 = NULL, part2 = NULL, part3 = NULL, part4 = NULL;
	split(root, part1, part2, b);
	split(part1, part3, part4, a-1);
	lli res = (part4?part4->v:0);
	merge(part1, part3, part4);
	merge(root, part1, part2);
	return res;
}
 
lli qry1(pnode1 root, int L, int R, int a, int b, int c, int d)
{
	if(a > R || b < L || !root) return 0ll;
	else if(a <= L && R <= b) return qry0(root->v, c, d);
	else return gcd2(qry1(root->l, L, (L+R)/2, a, b, c, d), qry1(root->r, (L+R)/2+1, R, a, b, c, d));
}
 
void upd0(pnode0& root, int idx, lli v)
{
	pnode0 part1 = NULL, part2 = NULL, part3 = NULL, part4 = NULL;
	split(root, part1, part2, idx);
	split(part1, part3, part4, idx-1);
	part4 = new ppnode0(idx, v, v, NULL, NULL);
	merge(part1, part3, part4);
	merge(root, part1, part2);
}
 
void upd1(pnode1 root, int L, int R, int a, int b, lli v)
{
	if(L == R) upd0(root->v, b, v);
	else
	{
		if(a <= (L+R)/2)
		{
			if(!root->l) root->l = new ppnode1();
			upd1(root->l, L, (L+R)/2, a, b, v);
		}
		else
		{
			if(!root->r) root->r = new ppnode1();
			upd1(root->r, (L+R)/2+1, R, a, b, v);
		}
 
		lli p = (root->l?findval(root->l->v, b):0ll), q = (root->r?findval(root->r->v, b):0ll);
		upd0(root->v, b, gcd2(p, q));
	}
	//cout << L << " " << R << " " << root->v->v << "\n";
}
 
int r, c;
pnode1 grid;
 
void init(int _R, int _C)
{
	//cout << "init\n";
	r = _R-1;
	c = _C-1;
	srand(time(NULL));
	grid = new ppnode1();
}
 
void update(int P, int Q, long long K)
{
	//cout << "update\n";
	upd1(grid, 0, r, P, Q, K);
}
 
long long calculate(int P, int Q, int U, int V)
{
	//cout << "calculate\n";
	return qry1(grid, 0, r, P, U, Q, V);
}

Compilation message

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 0 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
11 Correct 0 ms 2024 KB Output is correct
12 Correct 0 ms 2024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 1806 ms 4136 KB Output is correct
5 Correct 576 ms 4136 KB Output is correct
6 Correct 2663 ms 4136 KB Output is correct
7 Correct 2706 ms 4136 KB Output is correct
8 Correct 1729 ms 3080 KB Output is correct
9 Correct 2479 ms 4136 KB Output is correct
10 Correct 2186 ms 4136 KB Output is correct
11 Correct 0 ms 2024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 0 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
11 Correct 0 ms 2024 KB Output is correct
12 Correct 2323 ms 7304 KB Output is correct
13 Correct 6539 ms 7304 KB Output is correct
14 Correct 723 ms 7700 KB Output is correct
15 Correct 7129 ms 7832 KB Output is correct
16 Correct 499 ms 7832 KB Output is correct
17 Correct 3866 ms 4796 KB Output is correct
18 Correct 6646 ms 7832 KB Output is correct
19 Correct 5993 ms 7832 KB Output is correct
20 Correct 5553 ms 7832 KB Output is correct
21 Correct 0 ms 2024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 0 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
11 Correct 0 ms 2024 KB Output is correct
12 Correct 1433 ms 4136 KB Output is correct
13 Correct 696 ms 4136 KB Output is correct
14 Correct 2636 ms 4136 KB Output is correct
15 Correct 3056 ms 4136 KB Output is correct
16 Correct 1876 ms 3080 KB Output is correct
17 Correct 3093 ms 4136 KB Output is correct
18 Correct 1953 ms 4136 KB Output is correct
19 Correct 2456 ms 7304 KB Output is correct
20 Correct 7086 ms 7304 KB Output is correct
21 Correct 756 ms 7700 KB Output is correct
22 Correct 7549 ms 7832 KB Output is correct
23 Correct 479 ms 7832 KB Output is correct
24 Correct 3809 ms 4796 KB Output is correct
25 Correct 6573 ms 7832 KB Output is correct
26 Correct 5413 ms 7832 KB Output is correct
27 Correct 5196 ms 7832 KB Output is correct
28 Correct 2073 ms 22088 KB Output is correct
29 Correct 3239 ms 22088 KB Output is correct
30 Correct 8746 ms 19580 KB Output is correct
31 Correct 7796 ms 18920 KB Output is correct
32 Correct 1093 ms 16544 KB Output is correct
33 Correct 1726 ms 16544 KB Output is correct
34 Correct 986 ms 22088 KB Output is correct
35 Correct 4503 ms 12056 KB Output is correct
36 Correct 8673 ms 22088 KB Output is correct
37 Correct 6323 ms 22088 KB Output is correct
38 Correct 7769 ms 22088 KB Output is correct
39 Correct 6126 ms 17336 KB Output is correct
40 Correct 0 ms 2024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 0 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 0 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
11 Correct 0 ms 2024 KB Output is correct
12 Correct 1479 ms 4136 KB Output is correct
13 Correct 539 ms 4136 KB Output is correct
14 Correct 2259 ms 4136 KB Output is correct
15 Correct 2759 ms 4136 KB Output is correct
16 Correct 1736 ms 3080 KB Output is correct
17 Correct 2873 ms 4136 KB Output is correct
18 Correct 2226 ms 4136 KB Output is correct
19 Correct 2073 ms 7304 KB Output is correct
20 Correct 6963 ms 7304 KB Output is correct
21 Correct 829 ms 7700 KB Output is correct
22 Correct 7539 ms 7832 KB Output is correct
23 Correct 593 ms 7832 KB Output is correct
24 Correct 4949 ms 4796 KB Output is correct
25 Correct 8229 ms 7832 KB Output is correct
26 Correct 5896 ms 7832 KB Output is correct
27 Correct 5719 ms 7832 KB Output is correct
28 Correct 2319 ms 22088 KB Output is correct
29 Correct 2976 ms 22088 KB Output is correct
30 Correct 8716 ms 19580 KB Output is correct
31 Correct 8399 ms 18920 KB Output is correct
32 Correct 1126 ms 16544 KB Output is correct
33 Correct 1983 ms 16544 KB Output is correct
34 Correct 1016 ms 22088 KB Output is correct
35 Correct 4859 ms 12056 KB Output is correct
36 Correct 9276 ms 22088 KB Output is correct
37 Correct 7139 ms 22088 KB Output is correct
38 Correct 6666 ms 22088 KB Output is correct
39 Correct 2953 ms 45320 KB Output is correct
40 Correct 5659 ms 45320 KB Output is correct
41 Correct 12246 ms 40172 KB Output is correct
42 Correct 11759 ms 38720 KB Output is correct
43 Correct 1949 ms 45320 KB Output is correct
44 Correct 1593 ms 33968 KB Output is correct
45 Correct 5719 ms 17336 KB Output is correct
46 Correct 10843 ms 45320 KB Output is correct
47 Correct 11596 ms 45320 KB Output is correct
48 Correct 9816 ms 45320 KB Output is correct
49 Correct 0 ms 2024 KB Output is correct