結果
問題 | No.513 宝探し2 |
ユーザー | 0w1 |
提出日時 | 2017-05-12 17:51:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,149 bytes |
コンパイル時間 | 1,917 ms |
コンパイル使用メモリ | 178,848 KB |
実行使用メモリ | 25,604 KB |
平均クエリ数 | 61.25 |
最終ジャッジ日時 | 2024-07-16 13:39:05 |
合計ジャッジ時間 | 4,531 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 28 ms
25,220 KB |
testcase_01 | AC | 25 ms
24,836 KB |
testcase_02 | WA | - |
testcase_03 | AC | 26 ms
25,192 KB |
testcase_04 | AC | 27 ms
25,348 KB |
testcase_05 | AC | 27 ms
25,204 KB |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | AC | 23 ms
25,476 KB |
testcase_09 | AC | 26 ms
25,220 KB |
testcase_10 | RE | - |
testcase_11 | AC | 25 ms
24,580 KB |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:79:14: warning: 'ans_y' may be used uninitialized [-Wmaybe-uninitialized] 79 | assert( ask( ans_x, ans_y ) == 0 ); | ^ main.cpp:16:14: note: 'ans_y' was declared here 16 | int ans_x, ans_y; | ^~~~~ main.cpp:79:14: warning: 'ans_x' may be used uninitialized [-Wmaybe-uninitialized] 79 | assert( ask( ans_x, ans_y ) == 0 ); | ^ main.cpp:16:7: note: 'ans_x' was declared here 16 | int ans_x, ans_y; | ^~~~~
ソースコード
#include <bits/stdc++.h> using namespace std; int ask( int x, int y ) { cout << x << " " << y << endl; int d; cin >> d; if( d == 0 ) { exit( 0 ); } return d; } signed main() { ios::sync_with_stdio( 0 ); int ans_x, ans_y; { map< int, int > memo; int lb = 0, ub = int( 1e5 ); while( ub - lb > 5 ) { int f = lb + ( ub - lb ) / 3; int g = lb + ( ub - lb ) / 3 * 2; int a = memo[ lb ] = memo.count( lb ) ? memo[ lb ] : ask( lb, 0 ); int b = memo[ f ] = memo.count( f ) ? memo[ f ] : ask( f, 0 ); int c = memo[ g ] = memo.count( g ) ? memo[ g ] : ask( g, 0 ); int d = memo[ ub ] = memo.count( ub ) ? memo[ ub ] : ask( ub, 0 ); if( a <= b and b <= c and c <= d ) { ub = f; } else if( a >= b and b <= c and c <= d ) { ub = g; } else if( a >= b and b >= c and c <= d ) { lb = f; } else if( a >= b and b >= c and c >= d ) { lb = g; } else { assert( 0 ); } } int mind = int( 1e5 ); for( int i = lb; i <= ub; ++i ) { int d = ask( i, 0 ); if( d < mind ) { mind = d; ans_x = i; } } } { map< int, int > memo; int lb = 0, ub = int( 1e5 ); while( ub - lb > 5 ) { int f = lb + ( ub - lb ) / 3; int g = lb + ( ub - lb ) / 3 * 2; int a = memo[ lb ] = memo.count( lb ) ? memo[ lb ] : ask( 0, lb ); int b = memo[ f ] = memo.count( f ) ? memo[ f ] : ask( 0, f ); int c = memo[ g ] = memo.count( g ) ? memo[ g ] : ask( 0, g ); int d = memo[ ub ] = memo.count( ub ) ? memo[ ub ] : ask( 0, ub ); if( a <= b and b <= c and c <= d ) { ub = f; } else if( a >= b and b <= c and c <= d ) { ub = g; } else if( a >= b and b >= c and c <= d ) { lb = f; } else if( a >= b and b >= c and c >= d ) { lb = g; } else { assert( 0 ); } } int mind = int( 1e5 ); for( int i = lb; i <= ub; ++i ) { int d = ask( 0, i ); if( d < mind ) { mind = d; ans_y = i; } } } assert( ask( ans_x, ans_y ) == 0 ); return 0; }