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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
#161293#7105. Pixel Artucup-team197#WA 473ms23488kbC++143.6kb2023-09-02 23:18:082023-09-02 23:18:08

Judging History

你现在查看的是最新测评结果

  • [2023-09-02 23:18:08]
  • 评测
  • 测评结果:WA
  • 用时:473ms
  • 内存:23488kb
  • [2023-09-02 23:18:08]
  • 提交

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 ;
#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 ;

int n , m , k ;
struct line { // 1 hr , 2 vr
    int type , coord , l , r ;
};
line a[ MAXN ] ;
vector < pair < pii , int > > v[ MAXN ] ;
vector < int > opening[ MAXN ] , closing[ MAXN ] ;
int ch[ MAXN ] ;
int tot_unites ;

int prv[ MAXN ] , rnk[ MAXN ] ;

int get ( int x ) {
    if ( prv[ x ] == -1 ) { return x ; }
    int y = get ( prv[ x ] ) ;
    prv[ x ] = y ;
    return y ;
}
void unite ( int x , int y ) {
    int k1 = get ( x ) , k2 = get ( y ) ;
    if ( k1 == k2 ) { return ; }
    ++ tot_unites ;
    if ( rnk[ k1 ] < rnk[ k2 ] ) { swap ( k1 , k2 ) ; }
    rnk[ k1 ] += ( rnk[ k1 ] == rnk[ k2 ] ) ;
    prv[ k2 ] = k1 ;
}

map < int , int > desc ;

void mod_col ( int x , int val ) {
    if ( val < 0 ) {
        desc.erase ( x ) ;
    }
    else {
        desc[ x ] = val ;
    }
}


void solve ( ) {
    cin >> n >> m >> k ;
    for ( int i = 1 ; i <= n + 1 ; ++ i ) {
        v[ i ].clear ( ) ;
        opening[ i ].clear ( ) ;
        closing[ i ].clear ( ) ;
        ch[ i ] = 0 ;
    }
    for ( int i = 1 ; i <= k ; ++ i ) {
        int lx , ly , hx , hy ;
        cin >> lx >> ly >> hx >> hy ;
        ++ ch[ lx ] ;
        if ( lx == hx ) {
            a[ i ] = { 1 , lx , ly , hy } ;
            v[ lx ].push_back ( { make_pair ( ly , hy ) , i } ) ;
        }
        else {
            a[ i ] = { 2 , ly , lx , hx } ;
            opening[ lx ].push_back ( i ) ;
            closing[ hx + 1 ].push_back ( i ) ;
            v[ lx ].push_back ( { make_pair ( ly , ly ) , i } ) ;
            v[ hx ].push_back ( { make_pair ( ly , ly ) , i } ) ;
        }
    }
    ll tot = 0 ;
    int ans = 0 ;
    tot_unites = 0 ;
    for ( int i = 1 ; i <= k ; ++ i ) {
        prv[ i ] = -1 , rnk[ i ] = 0 ; 
    }
    desc.clear ( ) ;
    for ( int i = 1 ; i <= n ; ++ i ) {
        sort ( v[ i ].begin ( ) , v[ i ].end ( ) ) ;
        ans += ch[ i ] ;
        for ( auto x : closing[ i ] ) {
            mod_col ( a[ x ].coord , -x ) ;
        }
        for ( auto x : opening[ i ] ) {
            mod_col ( a[ x ].coord , x ) ;
        }
        int sz = v[ i - 1 ].size ( ) ;
        tot += desc.size ( ) ;
        for ( auto e : v[ i ] ) {
            auto [ hh , id ] = e ;
            if ( a[ id ].type == 1 ) {
                tot += a[ id ].r - a[ id ].l + 1 ;
            }
            // unite with verts
            if ( desc.find ( hh.fi - 1 ) != desc.end ( ) ) {
                unite ( desc[ hh.fi - 1 ] , id ) ;
            }
            if ( desc.find ( hh.se + 1 ) != desc.end ( ) ) {
                unite ( desc[ hh.se + 1 ] , id ) ;
            }
            int pos = lower_bound ( v[ i - 1 ].begin ( ) , v[ i - 1 ].end ( ) , make_pair (  make_pair ( hh.fi , hh.fi ) , -MAXN ) ) - v[ i - 1 ].begin ( ) ;
            if ( pos > 0 ) { -- pos ; }
            while ( pos < sz && v[ i - 1 ][ pos ].fi.fi <= hh.se ) {
                if ( v[ i - 1 ][ pos ].fi.se < hh.fi ) {
                    ++ pos ;
                    continue ;
                }
                unite ( v[ i - 1 ][ pos ].se , id ) ;
                ++ pos ;
            }
        }
        cout << tot << " " << ans - tot_unites << "\n" ;
    }
}

int main ( ) {
    ios_base :: sync_with_stdio ( false ) ;
    cin.tie ( NULL ) ;
    int t = 1 ; cin >> t ; 
    while ( t -- ) { solve ( ) ; }
    return 0 ;
}

详细

Test #1:

score: 100
Accepted
time: 4ms
memory: 11964kb

input:

3
2 5 2
1 1 1 2
2 3 2 5
2 5 2
1 1 1 3
2 3 2 5
3 3 3
1 1 1 2
3 1 3 2
1 3 2 3

output:

2 1
5 2
3 1
6 1
3 1
4 1
6 2

result:

ok 7 lines

Test #2:

score: -100
Wrong Answer
time: 473ms
memory: 23488kb

input:

2130
2 5 2
1 1 1 2
2 3 2 5
2 5 2
1 1 1 3
2 3 2 5
3 3 3
1 1 1 2
3 1 3 2
1 3 2 3
3 100 51
1 2 2 2
1 4 2 4
1 6 2 6
1 8 2 8
1 10 2 10
1 12 2 12
1 14 2 14
1 16 2 16
1 18 2 18
1 20 2 20
1 22 2 22
1 24 2 24
1 26 2 26
1 28 2 28
1 30 2 30
1 32 2 32
1 34 2 34
1 36 2 36
1 38 2 38
1 40 2 40
1 42 2 42
1 44 2 44
...

output:

2 1
5 2
3 1
6 1
3 1
4 1
6 2
50 50
100 50
200 1
50 50
150 1
200 1
2 1
4 1
6 1
8 1
10 1
12 1
14 1
16 1
18 1
20 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
42 1
44 1
46 1
48 1
50 1
52 1
54 1
56 1
58 1
60 1
62 1
64 1
66 1
68 1
70 1
72 1
74 1
76 1
78 1
80 1
82 1
84 1
86 1
88 1
90 1
92 1
94 1
96 1...

result:

wrong answer 10124th lines differ - expected: '100 1', found: '100 50'