結果

問題 No.202 1円玉投げ
ユーザー torus711torus711
提出日時 2015-05-19 15:23:32
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 70 ms / 5,000 ms
コード長 2,951 bytes
コンパイル時間 946 ms
コンパイル使用メモリ 99,108 KB
実行使用メモリ 31,488 KB
最終ジャッジ日時 2024-06-01 20:22:20
合計ジャッジ時間 3,763 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 56 ms
31,488 KB
testcase_01 AC 68 ms
31,232 KB
testcase_02 AC 24 ms
28,032 KB
testcase_03 AC 25 ms
27,904 KB
testcase_04 AC 26 ms
27,904 KB
testcase_05 AC 30 ms
28,416 KB
testcase_06 AC 66 ms
30,592 KB
testcase_07 AC 69 ms
30,848 KB
testcase_08 AC 69 ms
30,848 KB
testcase_09 AC 49 ms
29,568 KB
testcase_10 AC 35 ms
28,928 KB
testcase_11 AC 43 ms
29,440 KB
testcase_12 AC 43 ms
29,440 KB
testcase_13 AC 35 ms
28,928 KB
testcase_14 AC 27 ms
28,416 KB
testcase_15 AC 48 ms
29,696 KB
testcase_16 AC 55 ms
31,360 KB
testcase_17 AC 49 ms
31,360 KB
testcase_18 AC 51 ms
31,232 KB
testcase_19 AC 44 ms
29,440 KB
testcase_20 AC 56 ms
30,208 KB
testcase_21 AC 44 ms
29,568 KB
testcase_22 AC 25 ms
28,416 KB
testcase_23 AC 24 ms
28,288 KB
testcase_24 AC 24 ms
28,032 KB
testcase_25 AC 25 ms
28,032 KB
testcase_26 AC 25 ms
28,288 KB
testcase_27 AC 23 ms
28,288 KB
testcase_28 AC 24 ms
27,904 KB
testcase_29 AC 25 ms
28,032 KB
testcase_30 AC 25 ms
28,416 KB
testcase_31 AC 24 ms
28,032 KB
testcase_32 AC 24 ms
28,288 KB
testcase_33 AC 25 ms
27,904 KB
testcase_34 AC 23 ms
28,288 KB
testcase_35 AC 49 ms
31,360 KB
testcase_36 AC 52 ms
31,360 KB
testcase_37 AC 70 ms
30,848 KB
testcase_38 AC 51 ms
31,360 KB
testcase_39 AC 24 ms
28,032 KB
testcase_40 AC 24 ms
27,904 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:80:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   80 |         scanf( "%d", &N );
      |         ~~~~~^~~~~~~~~~~~
main.cpp:86:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   86 |                 scanf( "%d %d", &x, &y );
      |                 ~~~~~^~~~~~~~~~~~~~~~~~~

ソースコード

diff #

#include <iostream>
#include <iomanip>
#include <sstream>
#include <vector>
#include <string>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <stack>
#include <queue>
#include <deque>
#include <algorithm>
#include <functional>
#include <iterator>
#include <limits>
#include <numeric>
#include <utility>
#include <cmath>
#include <cassert>
#include <cstdio>

using namespace std; using namespace placeholders;

using LL = long long;
using ULL = unsigned long long;
using VI = vector< int >;
using VVI = vector< vector< int > >;
using VS = vector< string >;
using SS = stringstream;
using PII = pair< int, int >;
using VPII = vector< pair< int, int > >;
template < typename T = int > using VT = vector< T >;
template < typename T = int > using VVT = vector< vector< T > >;
template < typename T = int > using LIM = numeric_limits< T >;

template < typename T > inline istream& operator>>( istream &s, vector< T > &v ){ for ( T &t : v ) { s >> t; } return s; }
template < typename T > inline ostream& operator<<( ostream &s, const vector< T > &v ){ for ( int i = 0; i < int( v.size() ); ++i ){ s << ( " " + !i ) << v[i]; } return s; }
template < typename T > inline T fromString( const string &s ) { T res; istringstream iss( s ); iss >> res; return res; };
template < typename T > inline string toString( const T &a ) { ostringstream oss; oss << a; return oss.str(); };

#define REP2( i, n ) REP3( i, 0, n )
#define REP3( i, m, n ) for ( int i = ( int )( m ); i < ( int )( n ); ++i )
#define GET_REP( a, b, c, F, ... ) F
#define REP( ... ) GET_REP( __VA_ARGS__, REP3, REP2 )( __VA_ARGS__ )
#define FOR( e, c ) for ( auto &e : c )
#define ALL( c ) ( c ).begin(), ( c ).end()
#define AALL( a, t ) ( t* )a, ( t* )a + sizeof( a ) / sizeof( t )
#define DRANGE( c, p ) ( c ).begin(), ( c ).begin() + p, ( c ).end()

#define SZ( v ) ( (int)( v ).size() )
#define PB push_back
#define EM emplace
#define EB emplace_back
#define BI back_inserter

#define EXIST( c, e ) ( ( c ).find( e ) != ( c ).end() )

#define MP make_pair
#define fst first
#define snd second

#define DUMP( x ) cerr << #x << " = " << ( x ) << endl

LL sqdist( const PII &p, const PII &q )
{
	const LL dy = p.fst - q.fst, dx = p.snd - q.snd;
	return dy * dy + dx * dx;
}

int main()
{
	cin.tie( 0 );
	ios::sync_with_stdio( false );

	VVT< VPII > buckets( 1024, VT< VPII >( 1024 ) );

	int N;
// 	cin >> N;
	scanf( "%d", &N );

	REP( i, N )
	{
		int x, y;
// 		cin >> x >> y;
		scanf( "%d %d", &x, &y );

		const int by = y / 20 + 1, bx = x / 20 + 1;

		const PII p( y, x );

		bool ok = true;
		REP( dy, -1, 2 )
		{
			REP( dx, -1, 2 )
			{
				FOR( q, buckets[ by + dy ][ bx + dx ] )
				{
					ok &= 20 * 20 <= sqdist( p, q );
				}
			}
		}

		if ( ok )
		{
			buckets[ by ][ bx ].PB( p );
		}
	}

	int res = 0;
	FOR( row, buckets )
	{
		FOR( ps, row )
		{
			res += SZ( ps );
		}
	}
// 	cout << res << endl;
	printf( "%d\n", res );


	return 0;
}
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