Submission #378655

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
378655	2021-03-17 02:55:55	Seanliu	Chessboard (IZhO18_chessboard)	C++14	8 / 100	24 ms	2796 KiB

chessboard

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#include <iostream>
#include <cassert>
#define int long long int
#define ericxiao ios_base::sync_with_stdio(0);cin.tie(0);
using namespace std;
const int maxN = 1e5 + 326;
struct Rect{
  int l, r, d, u, A;
  Rect(){}
  Rect(int l, int r, int d, int u): l(l), r(r), d(d), u(u){
    A = (r - l + 1) * (u - d + 1);
  }
} rects[maxN];
inline bool onDiag(int x, int y, int d){
  return  (((x % (2 * d)) < d) == ((y % (2 * d)) < d)); 
}
inline int id(int x, int y, int d){
  return x / d * maxN + y / d;    
}
inline int getArea(int a, int b){
  if(a < 0 || b < 0) return 0;
  return a * b;
}
inline int Area(int l, int r, int d, int u, int div){
 
 
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Compilation message (stderr)

chessboard.cpp: In function 'long long int check(long long int)':
chessboard.cpp:87:6: warning: unused variable '_ans' [-Wunused-variable]
   87 |  int _ans = maxN * maxN, tmp = ((N / d) * (N / d) + 1) / 2 * (d * d), tmp2 = ((N / d) * (N / d)) / 2 * (d * d);
      |      ^~~~

• Subtask 1: 8 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 23
• Subtask 6: 0 / 30