oj.uz

Submission #30605

# Submission time Handle Problem Language Result Execution time Memory
30605 2017-07-25T12:03:13 Z nibnalin Game (IOI13_game) C++14
37 / 100
 13000 ms 7304 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), upd(L), upd(R);
}

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), upd(L), upd(R);
}

/* int findval(pnode0& t, int k)
{
	if(!t) return 0;
	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?qry0(root->l->v, b, b):0ll), q = (root->r?qry0(root->r->v, b, 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;
      ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 3 ms 2024 KB Output is correct
3 Correct 3 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 3 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 3 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

Subtask #2
27.0 / 27.0

# 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 2809 ms 4136 KB Output is correct
5 Correct 1012 ms 4136 KB Output is correct
6 Correct 6393 ms 4136 KB Output is correct
7 Correct 6529 ms 4136 KB Output is correct
8 Correct 4336 ms 3080 KB Output is correct
9 Correct 6536 ms 4136 KB Output is correct
10 Correct 5506 ms 4136 KB Output is correct
11 Correct 0 ms 2024 KB Output is correct

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 3 ms 2024 KB Output is correct
3 Correct 3 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 3 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 3 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 3549 ms 7304 KB Output is correct
13 Execution timed out 13000 ms 7040 KB Execution timed out
14 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 3 ms 2024 KB Output is correct
3 Correct 3 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 3 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 3 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 2943 ms 4136 KB Output is correct
13 Correct 1096 ms 4136 KB Output is correct
14 Correct 6326 ms 4136 KB Output is correct
15 Correct 7006 ms 4136 KB Output is correct
16 Correct 4683 ms 3080 KB Output is correct
17 Correct 7033 ms 4136 KB Output is correct
18 Correct 5523 ms 4136 KB Output is correct
19 Correct 3363 ms 7304 KB Output is correct
20 Execution timed out 13000 ms 7172 KB Execution timed out
21 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 3 ms 2024 KB Output is correct
3 Correct 3 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 3 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 3 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 2543 ms 4136 KB Output is correct
13 Correct 1136 ms 4136 KB Output is correct
14 Correct 6303 ms 4136 KB Output is correct
15 Correct 7023 ms 4136 KB Output is correct
16 Correct 4809 ms 3080 KB Output is correct
17 Correct 6709 ms 4136 KB Output is correct
18 Correct 5699 ms 4136 KB Output is correct
19 Correct 3776 ms 7304 KB Output is correct
20 Execution timed out 13000 ms 7172 KB Execution timed out
21 Halted 0 ms 0 KB -