oj.uz

Submission #891653

# Submission time Handle Problem Language Result Execution time Memory
891653 2023-12-23T13:39:30 Z thunopro Sprinkler (JOI22_sprinkler) C++14
3 / 100
 4000 ms 48916 KB 
#include<bits/stdc++.h>
using namespace std ; 
#define maxn 400009 
#define ll long long 
#define fi first 
#define se second 
#define pb push_back 
#define left id<<1 
#define right id<<1|1
#define re exit(0);
#define _lower(v,x) lower_bound(v.begin(),v.end(),x)-v.begin()+1

int mod = 1e9+7 ; 
const int INF = 1e9 ;
const int LOG = 18 ; 

typedef vector<int> vi ; 
typedef pair<int,int> pii ; 
typedef vector<pii> vii ;
typedef vector<ll> vl ;  
typedef pair<ll,ll> pll ; 
typedef vector<pll> vll ; 

void add ( int&a , int b ) { if ((a+=b) > mod ) a -= mod ; } 
void sub ( int&a , int b ) { if ((a-=b) < 0 ) a += mod ; } 
template<typename T> void chkmin(T& x, T y) {if(x > y) x = y;}
template<typename T> void chkmax(T& x, T y) {if(x < y) x = y;}

void rf ( ) 
{
	freopen ("bai1.inp","r",stdin) ; 
//	freopen ("bai1.out","w",stdout) ;
}

int _pow ( int a , int n ) 
{
	if ( n == 0 ) return 1 ; 
	int res = _pow ( a , n / 2 ) ; 
	if ( n % 2 ) return ( 1ll * res * res % mod * a % mod ) ; 
	else return ( 1ll * res * res % mod ) ; 
}

int n ;

vi adjList [maxn] ;
int a [maxn] ; 

int nq ; 
struct shape {
	int op , x , d , w ; 
} q [maxn] ; 

bool vis [maxn] ; 
void update_near ( int u , int d , int w , int par = -1 ) 
{
	a [u] = 1ll*a[u]*w%mod ; 
	for ( auto v : adjList [u] ) 
	{
		if ( v != par && d != 0 ) update_near (v,d-1,w,u) ; 
	}
}
void sub1 () 
{
	for ( int rn = 1 ; rn <= nq ; rn ++ ) 
	{
		if ( q[rn].op == 1 ) 
		{
			int x = q [rn].x , d = q [rn].d , w = q [rn].w ; 
			update_near (x,d,w) ; 
		}
		else cout << a [q[rn].x] << "\n" ;  
	}
}

bool check_sub2 () 
{
	for ( int i = 1 ; i <= nq ; i ++ ) 
	{
		if ( q [i].op == 1 && q [i].d >= 2 ) return false ; 
	}
	return true ; 
}


vi vex [maxn] ; 
int special [maxn] ;
int lazy_val [maxn] ; 
int sp [maxn] ; 

void sub2 () 
{
	for ( int i = 1 ; i <= n ; i ++ ) lazy_val [i] = 1 ; 
	int num = 0 ; 
	for ( int i = 1 ; i <= n ; i ++ ) 
	{
		if ( adjList [i].size () > 500 )  
		{
			special [i] = true ; 
		}
	}
	for ( int i = 1 ; i <= n ; i ++ ) 
	{
		if ( special [i] == false ) 
		{
			for ( auto x : adjList [i] ) 
			{
				if ( special [x] == true ) vex [i] . pb (x) ; 
			}
		}
	}
	for ( int rn = 1 ; rn <= nq ; rn ++ ) 
	{
		if ( q[rn].op == 1 ) 
		{
			int x = q [rn].x , d = q [rn].d , w = q [rn].w ; 
			if ( d == 0 ) 
			{
				a [x] = 1ll*a[x]*w%mod ; 
				continue ; 
			}
			if ( special [x] == false ) update_near (x,d,w) ;
			else lazy_val [x] = 1ll*lazy_val[x]*w%mod ; 	
		}
		else 
		{
			int x = q [rn].x ; 
			int res = 1ll*a[x]*lazy_val[x]%mod ; 
			for ( auto v : vex [x] ) res = 1ll*res*lazy_val[v]%mod ; 
			cout << res << "\n" ; 
		}
	}
}
int main ( ) 
{
	ios_base :: sync_with_stdio (0) ; 
	cin.tie(0) ; cout.tie(0) ;
//	rf () ; 
	cin >> n >> mod ; 
	for ( int i = 1 ; i < n ; i ++ ) 
	{
		int u , v ; cin >> u >> v ; 
		adjList [u] . pb (v) ; 
		adjList [v] . pb (u) ; 
	}
	
	for ( int i = 1 ; i <= n ; i ++ ) cin >> a [i] ; 
	
	cin >> nq ; 
	for ( int i = 1 ; i <= nq ; i ++ ) 
	{
		cin >> q [i].op ; 
		if ( q[i].op == 1 ) 
		{
			cin >> q[i].x >> q[i].d >> q[i].w ; 
		}
		else cin >> q[i].x ; 
	}

	if ( n <= 1000 && nq <= 1000 ) sub1 () ; 
	else sub2 () ; 
}




//-std=c++11

Compilation message

sprinkler.cpp: In function 'void sub2()':
sprinkler.cpp:93:6: warning: unused variable 'num' [-Wunused-variable]
   93 |  int num = 0 ;
      |      ^~~
sprinkler.cpp: In function 'void rf()':
sprinkler.cpp:31:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  freopen ("bai1.inp","r",stdin) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 21596 KB Output is correct
2 Correct 5 ms 21688 KB Output is correct
3 Correct 4 ms 21596 KB Output is correct
4 Correct 5 ms 21596 KB Output is correct
5 Correct 6 ms 21596 KB Output is correct
6 Correct 8 ms 21688 KB Output is correct
7 Correct 9 ms 21764 KB Output is correct
8 Correct 9 ms 21764 KB Output is correct
9 Correct 5 ms 21596 KB Output is correct
10 Correct 5 ms 21596 KB Output is correct
11 Correct 5 ms 21596 KB Output is correct
12 Correct 5 ms 21844 KB Output is correct
13 Correct 4 ms 21596 KB Output is correct
14 Correct 5 ms 21596 KB Output is correct
15 Correct 5 ms 21596 KB Output is correct
16 Correct 5 ms 21596 KB Output is correct
17 Correct 5 ms 21732 KB Output is correct
18 Correct 5 ms 21596 KB Output is correct
19 Correct 5 ms 21596 KB Output is correct
20 Correct 5 ms 21596 KB Output is correct
21 Correct 5 ms 21596 KB Output is correct
22 Correct 4 ms 21596 KB Output is correct
23 Correct 5 ms 21596 KB Output is correct
24 Correct 5 ms 21596 KB Output is correct
25 Correct 5 ms 21596 KB Output is correct
26 Correct 5 ms 21728 KB Output is correct
27 Correct 5 ms 21596 KB Output is correct
28 Correct 5 ms 21592 KB Output is correct

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 21596 KB Output is correct
2 Correct 174 ms 41828 KB Output is correct
3 Correct 229 ms 38880 KB Output is correct
4 Correct 182 ms 40160 KB Output is correct
5 Correct 193 ms 40116 KB Output is correct
6 Correct 184 ms 40016 KB Output is correct
7 Correct 194 ms 40532 KB Output is correct
8 Execution timed out 4056 ms 45884 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 21596 KB Output is correct
2 Correct 174 ms 41828 KB Output is correct
3 Correct 229 ms 38880 KB Output is correct
4 Correct 182 ms 40160 KB Output is correct
5 Correct 193 ms 40116 KB Output is correct
6 Correct 184 ms 40016 KB Output is correct
7 Correct 194 ms 40532 KB Output is correct
8 Execution timed out 4056 ms 45884 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 21592 KB Output is correct
2 Correct 648 ms 38992 KB Output is correct
3 Correct 2968 ms 48056 KB Output is correct
4 Correct 565 ms 47180 KB Output is correct
5 Correct 3019 ms 47356 KB Output is correct
6 Execution timed out 4067 ms 47108 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 21596 KB Output is correct
2 Correct 397 ms 41792 KB Output is correct
3 Correct 2015 ms 48212 KB Output is correct
4 Correct 668 ms 48700 KB Output is correct
5 Correct 3369 ms 48916 KB Output is correct
6 Execution timed out 4038 ms 47132 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 21596 KB Output is correct
2 Correct 5 ms 21688 KB Output is correct
3 Correct 4 ms 21596 KB Output is correct
4 Correct 5 ms 21596 KB Output is correct
5 Correct 6 ms 21596 KB Output is correct
6 Correct 8 ms 21688 KB Output is correct
7 Correct 9 ms 21764 KB Output is correct
8 Correct 9 ms 21764 KB Output is correct
9 Correct 5 ms 21596 KB Output is correct
10 Correct 5 ms 21596 KB Output is correct
11 Correct 5 ms 21596 KB Output is correct
12 Correct 5 ms 21844 KB Output is correct
13 Correct 4 ms 21596 KB Output is correct
14 Correct 5 ms 21596 KB Output is correct
15 Correct 5 ms 21596 KB Output is correct
16 Correct 5 ms 21596 KB Output is correct
17 Correct 5 ms 21732 KB Output is correct
18 Correct 5 ms 21596 KB Output is correct
19 Correct 5 ms 21596 KB Output is correct
20 Correct 5 ms 21596 KB Output is correct
21 Correct 5 ms 21596 KB Output is correct
22 Correct 4 ms 21596 KB Output is correct
23 Correct 5 ms 21596 KB Output is correct
24 Correct 5 ms 21596 KB Output is correct
25 Correct 5 ms 21596 KB Output is correct
26 Correct 5 ms 21728 KB Output is correct
27 Correct 5 ms 21596 KB Output is correct
28 Correct 5 ms 21592 KB Output is correct
29 Correct 4 ms 21596 KB Output is correct
30 Correct 174 ms 41828 KB Output is correct
31 Correct 229 ms 38880 KB Output is correct
32 Correct 182 ms 40160 KB Output is correct
33 Correct 193 ms 40116 KB Output is correct
34 Correct 184 ms 40016 KB Output is correct
35 Correct 194 ms 40532 KB Output is correct
36 Execution timed out 4056 ms 45884 KB Time limit exceeded
37 Halted 0 ms 0 KB -