QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#143277 | #7020. The Kouga Ninja Scrolls | Sorting# | AC ✓ | 997ms | 58612kb | C++20 | 4.9kb | 2023-08-21 00:37:37 | 2023-08-21 00:38:49 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;
typedef unsigned long long ull ;
typedef pair < int , int > pii ;
typedef vector<int> vi;
typedef vector < long long > vl ;
typedef unsigned int uint ;
#define fi first
#define se second
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
const int MAXN = 1e5 + 7 ;
const ll inf = 1e18 ;
int n , q ;
pair < ll , ll > a[ MAXN ] ;
int cl[ MAXN ] ;
struct node {
ll ans ;
pair < ll , int > mx[ 2 ][ 2 ][ 2 ] ; // cx , cy , wh
node ( ) {
ans = 0 ;
for ( int i = 0 ; i < 2 ; ++ i ) {
for ( int j = 0 ; j < 2 ; ++ j ) {
for ( int t = 0 ; t < 2 ; ++ t ) {
mx[ i ][ j ][ t ] = { -inf , 0 } ;
}
}
}
}
};
node unite ( node p1 , node p2 ) {
node ret = node ( ) ;
ret.ans = max ( p1.ans , p2.ans ) ;
for ( int i = 0 ; i < 2 ; ++ i ) {
for ( int j = 0 ; j < 2 ; ++ j ) {
for ( int t = 0 ; t < 2 ; ++ t ) {
for ( int z = 0 ; z < 2 ; z ++ ) {
if ( p1.mx[ i ][ j ][ t ].se == p2.mx[ z ][ j ^ 1 ][ t ^ 1 ].se ) { continue ; }
ret.ans = max ( ret.ans , p1.mx[ i ][ j ][ t ].fi + p2.mx[ z ][ j ^ 1 ][ t ^ 1 ].fi ) ;
}
}
}
}
for ( int j = 0 ; j < 2 ; ++ j ) {
for ( int t = 0 ; t < 2 ; ++ t ) {
ret.mx[ 0 ][ j ][ t ] = max ( p1.mx[ 0 ][ j ][ t ] , p2.mx[ 0 ][ j ][ t ] ) ;
int sr = ret.mx[ 0 ][ j ][ t ].se ;
if ( p1.mx[ 0 ][ j ][ t ].se != sr ) {
ret.mx[ 1 ][ j ][ t ] = max ( ret.mx[ 1 ][ j ][ t ] , p1.mx[ 0 ][ j ][ t ] ) ;
}
if ( p1.mx[ 1 ][ j ][ t ].se != sr ) {
ret.mx[ 1 ][ j ][ t ] = max ( ret.mx[ 1 ][ j ][ t ] , p1.mx[ 1 ][ j ][ t ] ) ;
}
if ( p2.mx[ 0 ][ j ][ t ].se != sr ) {
ret.mx[ 1 ][ j ][ t ] = max ( ret.mx[ 1 ][ j ][ t ] , p2.mx[ 0 ][ j ][ t ] ) ;
}
if ( p2.mx[ 1 ][ j ][ t ].se != sr ) {
ret.mx[ 1 ][ j ][ t ] = max ( ret.mx[ 1 ][ j ][ t ] , p2.mx[ 1 ][ j ][ t ] ) ;
}
}
}
return ret ;
};
class Tree {
public :
node tr[ 4 * MAXN ] ;
void set_pos ( int w , int l ) {
tr[ w ].ans = 0 ;
for ( int i = 0 ; i < 2 ; ++ i ) {
for ( int j = 0 ; j < 2 ; ++ j ) {
ll sm = 0 ;
if ( i == 0 ) { sm -= a[ l ].fi ; }
else { sm += a[ l ].fi ; }
if ( j == 0 ) { sm -= a[ l ].se ; }
else { sm += a[ l ].se ; }
tr[ w ].mx[ 0 ][ i ][ j ] = { sm , cl[ l ] } ;
tr[ w ].mx[ 1 ][ i ][ j ] = { -inf , 0 } ;
}
}
}
void init ( int w , int l , int r ) {
if ( l == r ) {
set_pos ( w , l ) ;
return ;
}
int mid = ( l + r ) / 2 ;
init ( 2 * w , l , mid ) ;
init ( 2 * w + 1 , mid + 1 , r ) ;
tr[ w ] = unite ( tr[ 2 * w ] , tr[ 2 * w + 1 ] ) ;
}
void update ( int w , int l , int r , int pos ) {
if ( l == r ) {
set_pos ( w , l ) ;
return ;
}
int mid = ( l + r ) / 2 ;
if ( pos <= mid ) { update ( 2 * w , l , mid , pos ) ; }
else { update ( 2 * w + 1 , mid + 1 , r , pos ) ; }
tr[ w ] = unite ( tr[ 2 * w ] , tr[ 2 * w + 1 ] ) ;
}
node query ( int w , int l , int r , int st , int en ) {
if ( l > r || st > en ) { return node ( ) ; }
if ( r < st || en < l ) { return node ( ) ; }
if ( st <= l && r <= en ) { return tr[ w ] ; }
int mid = ( l + r ) / 2 ;
return unite ( query ( 2 * w , l , mid , st , en ) , query ( 2 * w + 1 , mid + 1 , r , st , en ) ) ;
}
};
Tree w ;
int test_id ;
void solve ( ) {
++ test_id ;
cout << "Case #" << test_id << ":\n" ;
cin >> n >> q ;
for ( int i = 1 ; i <= n ; ++ i ) {
cin >> a[ i ].fi >> a[ i ].se >> cl[ i ] ;
}
w.init ( 1 , 1 , n ) ;
while ( q -- ) {
int type ; cin >> type ;
if ( type == 1 ) {
int k , x , y ;
cin >> k >> x >> y ;
a[ k ].fi += x , a[ k ].se += y ;
w.update ( 1 , 1 , n , k ) ;
}
else if ( type == 2 ) {
int k , nw ;
cin >> k >> nw ;
cl[ k ] = nw ;
w.update ( 1 , 1 , n , k ) ;
}
else {
int l , r ;
cin >> l >> r ;
node ret = w.query ( 1 , 1 , n , l , r ) ;
cout << ret.ans << "\n" ;
}
}
}
int main ( ) {
ios_base :: sync_with_stdio ( false ) ;
cin.tie ( NULL ) ;
int t = 1 ; cin >> t ;
while ( t -- ) { solve ( ) ; }
return 0 ;
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 11ms
memory: 57168kb
input:
1 2 8 0 0 1 1 1 2 3 1 2 1 1 1 1 3 1 2 1 1 1 1 2 1 2 3 1 2 2 1 1 3 1 2
output:
Case #1: 2 0 0 2
result:
ok 5 lines
Test #2:
score: 0
Accepted
time: 997ms
memory: 58612kb
input:
60 500 500 869676911 -813404481 62 -945322435 46069424 18 -178313683 -431754291 62 365370429 989841420 403 581432447 750507267 482 151389216 29933356 18 -526811063 -170809743 105 862783905 920464530 91 343253321 -871223893 192 403379791 828503986 91 775506325 -370049275 192 533550283 -577541037 482 ...
output:
Case #1: 3685787673 3468859321 3333691523 3468859321 3333691523 3333691523 3961865677 4160346448 3515366597 4160346448 3751993658 4096942446 4554140217 4554140217 2383169926 3685167062 3617781469 4554140217 3173729474 4625859024 3707466685 4554140217 4753589768 3960896897 4554140217 4554140217 45541...
result:
ok 216379 lines