제출 #952268

#제출 시각아이디문제언어결과실행 시간메모리
952268Doncho_Bonboncho삶의 질 (IOI10_quality)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "quality.h" #pragma GCC optimize ("O3") #pragma GCC target ("sse4") using namespace std; template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; } template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; } #ifndef LOCAL #define cerr if(false) cerr #define endl "\n" #endif #define out(x) #x << "=" << x << " " const int MAX_N = 3001; int pref[MAX_N][MAX_N]; int r, c, h, w; bool f( int x ){ for( int i=1 ; i <= r ; i++ ){ for( int j=1 ; j <= w ; j++ ){ int x1 = i, y1 = j; int x2 = i + h-1, y2 = j + w-1; cerr << out( x1 ) << out( y1 ) << out( x2 ) << out( y2 ) << endl; int currLess = pref[x2][y2] - pref[x2][y1-1] - pref[x1-1][y2] + pref[x1-1][y1-1]; cerr << out( pref[x2][y2] ) << out( pref[x2][y1-1] ) << out( pref[x1-1][y2] ) << out( pref[x1-1][y1-1] ) << endl; cerr << out( currLess ) << endl; if( currLess > ( w * h ) /2 ) return true; } } cerr << " nqma " <<endl; return false; } int rectangle(int R, int C, int H, int W, int Q[3001][3001]) { r = R; c = C; h = H; w = W; int l = 0, r = R * C +1; while( l != r-1 ){ int m = ( l + r ) >> 1; cerr << out( l ) << out( m ) << out( r ) << endl; for( int i=1 ; i <= R ; i++ ){ for( int j=1 ; j <= C ; j++ ){ //cerr << out( i ) << out( j ) << endl; pref[i][j] = pref[i-1][j] + pref[i][j-1] - pref[i-1][j-1] + bool( Q[i-1][j-1] <= m ); //cerr << out( pref[i-1][j] ) << out( pref[i][j-1] ) << out( pref[i-1][j-1] ) << out( Q[i-1][j-1] ) << out( m ) << endl << out( pref[i][j] ) << endl; } } for( int i=1 ; i <= R ; i++ ){ for( int j=1 ; j <= C ; j++ ){ cerr << pref[i][j] << " "; } cerr << endl; } cerr << endl; if( f( m ) ) r = m; else l = m; } return l +1; } int _a[MAX_N][MAX_N]; int main (){ int _r, _c, _h, _w; std::cin >> _r >> _c >> _h >> _w; for( int i=0 ; i < _r ; i++ ){ for( int j=0 ; j < _c ; j ++ ){ std::cin >> _a[i][j]; } } std::cerr << out( rectangle( _r, _c, _h, _w, _a ) ) << endl; }

컴파일 시 표준 에러 (stderr) 메시지

quality.cpp: In function 'int main()':
quality.cpp:12:14: error: expected unqualified-id before 'if'
   12 | #define cerr if(false) cerr
      |              ^~
quality.cpp:83:7: note: in expansion of macro 'cerr'
   83 |  std::cerr << out( rectangle( _r, _c, _h, _w, _a ) ) << endl;
      |       ^~~~