Submission #30619

# Submission time Handle Problem Language Result Execution time Memory
30619 2017-07-25T12:47:16 Z nibnalin Game (IOI13_game) C++14
100 / 100
12633 ms 45320 KB
#include <iostream>
#include <cstdio>
#include <vector>
#include <ctime>
#include <cstdlib>
#include "game.h"
using namespace std;

typedef long long 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, ppnode0*_l = NULL, ppnode0*_r = NULL)
	{
		key = _key, self = _self, v = _self, 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 vv)
{
	pnode0 part1 = NULL, part2 = NULL, part3 = NULL, part4 = NULL;
	split(root, part1, part2, idx);
	split(part1, part3, part4, idx-1);
	if(!part4) part4 = new ppnode0(idx, vv);
	else part4->key = idx, part4->self = part4->v = vv;
	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 1496 ms 4004 KB Output is correct
5 Correct 646 ms 4004 KB Output is correct
6 Correct 2499 ms 4004 KB Output is correct
7 Correct 2603 ms 4004 KB Output is correct
8 Correct 2009 ms 3080 KB Output is correct
9 Correct 2446 ms 4004 KB Output is correct
10 Correct 1959 ms 4004 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 1843 ms 5720 KB Output is correct
13 Correct 6826 ms 4136 KB Output is correct
14 Correct 879 ms 2156 KB Output is correct
15 Correct 7379 ms 4796 KB Output is correct
16 Correct 443 ms 6644 KB Output is correct
17 Correct 4649 ms 4532 KB Output is correct
18 Correct 7913 ms 6644 KB Output is correct
19 Correct 6519 ms 6644 KB Output is correct
20 Correct 5899 ms 6644 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 1333 ms 4004 KB Output is correct
13 Correct 563 ms 4004 KB Output is correct
14 Correct 2266 ms 4004 KB Output is correct
15 Correct 2853 ms 4004 KB Output is correct
16 Correct 1873 ms 3080 KB Output is correct
17 Correct 3199 ms 4004 KB Output is correct
18 Correct 2523 ms 4004 KB Output is correct
19 Correct 2079 ms 5720 KB Output is correct
20 Correct 6933 ms 4136 KB Output is correct
21 Correct 749 ms 2156 KB Output is correct
22 Correct 7559 ms 4796 KB Output is correct
23 Correct 426 ms 6644 KB Output is correct
24 Correct 4246 ms 4532 KB Output is correct
25 Correct 7363 ms 6644 KB Output is correct
26 Correct 5726 ms 6644 KB Output is correct
27 Correct 5873 ms 6644 KB Output is correct
28 Correct 2103 ms 22088 KB Output is correct
29 Correct 3703 ms 22088 KB Output is correct
30 Correct 9456 ms 18128 KB Output is correct
31 Correct 7796 ms 14168 KB Output is correct
32 Correct 1099 ms 2156 KB Output is correct
33 Correct 1959 ms 2552 KB Output is correct
34 Correct 1133 ms 22088 KB Output is correct
35 Correct 5156 ms 12056 KB Output is correct
36 Correct 10243 ms 22088 KB Output is correct
37 Correct 8313 ms 22088 KB Output is correct
38 Correct 6866 ms 22088 KB Output is correct
39 Correct 5986 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 1413 ms 4004 KB Output is correct
13 Correct 683 ms 4004 KB Output is correct
14 Correct 2793 ms 4004 KB Output is correct
15 Correct 3476 ms 4004 KB Output is correct
16 Correct 1969 ms 3080 KB Output is correct
17 Correct 3206 ms 4004 KB Output is correct
18 Correct 2196 ms 4004 KB Output is correct
19 Correct 2179 ms 5720 KB Output is correct
20 Correct 7246 ms 4136 KB Output is correct
21 Correct 889 ms 2156 KB Output is correct
22 Correct 7549 ms 4796 KB Output is correct
23 Correct 546 ms 6644 KB Output is correct
24 Correct 3973 ms 4532 KB Output is correct
25 Correct 6913 ms 6644 KB Output is correct
26 Correct 5686 ms 6644 KB Output is correct
27 Correct 5796 ms 6644 KB Output is correct
28 Correct 2853 ms 22088 KB Output is correct
29 Correct 3716 ms 22088 KB Output is correct
30 Correct 8776 ms 18128 KB Output is correct
31 Correct 8069 ms 14168 KB Output is correct
32 Correct 959 ms 2156 KB Output is correct
33 Correct 1629 ms 2552 KB Output is correct
34 Correct 783 ms 22088 KB Output is correct
35 Correct 4633 ms 12056 KB Output is correct
36 Correct 8686 ms 22088 KB Output is correct
37 Correct 8183 ms 22088 KB Output is correct
38 Correct 7126 ms 22088 KB Output is correct
39 Correct 3353 ms 45320 KB Output is correct
40 Correct 5366 ms 45320 KB Output is correct
41 Correct 12633 ms 36476 KB Output is correct
42 Correct 11689 ms 27896 KB Output is correct
43 Correct 1409 ms 45320 KB Output is correct
44 Correct 1366 ms 2156 KB Output is correct
45 Correct 6136 ms 17336 KB Output is correct
46 Correct 11616 ms 45320 KB Output is correct
47 Correct 12119 ms 45320 KB Output is correct
48 Correct 10933 ms 45320 KB Output is correct
49 Correct 0 ms 2024 KB Output is correct