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  1. #include "Anna.h"
  2. #include <vector>
  3.  
  4. #include <bits/stdc++.h>
  5. #define MP make_pair
  6. #define PB push_back
  7. #define st first
  8. #define nd second
  9. #define rd third
  10. #define FOR(i, a, b) for(int i =(a); i <=(b); ++i)
  11. #define RE(i, n) FOR(i, 1, n)
  12. #define FORD(i, a, b) for(int i = (a); i >= (b); --i)
  13. #define REP(i, n) for(int i = 0;i <(n); ++i)
  14. #define VAR(v, i) __typeof(i) v=(i)
  15. #define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i)
  16. #define ALL(x) (x).begin(), (x).end()
  17. #define SZ(x) ((int)(x).size())
  18. #define __builtin_ctz __builtin_ctzll
  19. #define __builtin_clz __builtin_clzll
  20. #define __builtin_popcount __builtin_popcountll
  21. using namespace std;
  22. template<typename TH> void _dbg(const char* sdbg, TH h) { cerr<<sdbg<<"="<<h<<"\n"; }
  23. template<typename TH, typename... TA> void _dbg(const char* sdbg, TH h, TA... t) {
  24.   while(*sdbg != ',') { cerr<<*sdbg++; } cerr<<"="<<h<<","; _dbg(sdbg+1, t...);
  25. }
  26. #ifdef LOCAL
  27. #define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
  28. #define debugv(x) {{cerr <<#x <<" = "; FORE(itt, (x)) cerr <<*itt <<", "; cerr <<"\n"; }}
  29. #else
  30. #define debug(...) (__VA_ARGS__)
  31. #define debugv(x)
  32. #define cerr if(0)cout
  33. #endif
  34. #define left ____left
  35. #define hash ____hash
  36. typedef long long ll;
  37. typedef long double LD;
  38. typedef pair<int, int> PII;
  39. typedef pair<ll, ll> PLL;
  40. typedef vector<int> VI;
  41. typedef vector<VI> VVI;
  42. typedef vector<ll> VLL;
  43. typedef vector<pair<int, int> > VPII;
  44. typedef vector<pair<ll, ll> > VPLL;
  45.  
  46. template<class C> void mini(C&a4, C b4){a4=min(a4, b4); }
  47. template<class C> void maxi(C&a4, C b4){a4=max(a4, b4); }
  48. template<class T1, class T2>
  49. ostream& operator<< (ostream &out, pair<T1, T2> pair) { return out << "(" << pair.first << ", " << pair.second << ")";}
  50. template<class A, class B, class C> struct Triple { A first; B second; C third;
  51.   bool operator<(const Triple& t) const { if (st != t.st) return st < t.st; if (nd != t.nd) return nd < t.nd; return rd < t.rd; } };
  52.   template<class T> void ResizeVec(T&, vector<int>) {}
  53.   template<class T> void ResizeVec(vector<T>& vec, vector<int> sz) {
  54.     vec.resize(sz[0]); sz.erase(sz.begin()); if (sz.empty()) { return; }
  55.     for (T& v : vec) { ResizeVec(v, sz); }
  56.   }
  57.   typedef Triple<int, int, int> TIII;
  58.   template<class A, class B, class C>
  59.   ostream& operator<< (ostream &out, Triple<A, B, C> t) { return out << "(" << t.st << ", " << t.nd << ", " << t.rd << ")"; }
  60.   template<class T> ostream& operator<<(ostream& out, vector<T> vec) { out<<"("; for (auto& v: vec) out<<v<<", "; return out<<")"; }
  61.   template<class T> ostream& operator<<(ostream& out, set<T> vec) { out<<"("; for (auto& v: vec) out<<v<<", "; return out<<")"; }
  62.   template<class L, class R> ostream& operator<<(ostream& out, map<L, R> vec) { out<<"("; for (auto& v: vec) out<<v<<", "; return out<<")"; }
  63.  
  64.  
  65. namespace {
  66.  
  67. int FunctionExample(int r, int c, int K) {
  68.   return (r + c) % K + 1;
  69. }
  70. PII GetAnchor(PII A, PII B) {
  71.   VPII vecs{{0, 1}, {1, -1}, {1, 0}, {1, 1}};
  72.   for (auto v : vecs) {
  73.     if ((A.st + v.st - B.st) % 3 == 0 && (A.nd + v.nd - B.nd) % 3 == 0) {
  74.       return A;
  75.     }
  76.   }
  77.   return B;
  78. }
  79. } // namespace
  80.  
  81. void Anna(int N, int K, std::vector<int> R, std::vector<int> C) {
  82.   vector<vector<int>> rems(3, VI(3));
  83.   REP (i, K) {
  84.     rems[R[i] % 3][C[i] % 3] = 1;
  85.   }
  86.   VPII nons;
  87.   REP (i, 3) {
  88.     REP (j, 3) {
  89.       if (rems[i][j] == 0) {
  90.         nons.PB({i, j});
  91.       }
  92.     }
  93.   }
  94.   assert(SZ(nons) >= 2);
  95.   nons.resize(2);
  96.   if (GetAnchor(nons[0], nons[1]) != nons[0]) {
  97.     swap(nons[0], nons[1]);
  98.   }
  99.   vector<VI> who(3, VI(3, -1));
  100.   int nxt = 0;
  101.   REP (i, 3) {
  102.     REP (j, 3) {
  103.       if (i == 0 && j == 0) { continue; }
  104.       int ni = (nons[0].st + i) % 3;
  105.       int nj = (nons[0].nd + j) % 3;
  106.       PII p{ni, nj};
  107.       if (p == nons[1]) { continue; }
  108.       who[ni][nj] = nxt++;
  109.     }
  110.   }
  111.   debug(who);
  112.   for (int r = 0; r < N; r++) {
  113.     for (int c = 0; c < N; c++) {
  114.       if (r % 3 == nons[0].st && c % 3 == nons[0].nd) {
  115.         SetFlag(r, c, 12);
  116.       } else if (r % 3 == nons[1].st && c % 3 == nons[1].nd) {
  117.         SetFlag(r, c, 12);
  118. //       } else if (r % 3 == 0 && c % 3 == 1) {
  119. //         int val = 8;
  120. //         for (int i = 0; i < K; i++) {
  121. //           if (R[i] == r && C[i] == c) {
  122. //             val = i + 1;
  123. //           }
  124. //         }
  125. //         SetFlag(r, c, val);
  126. //         //SetFlag(r, c, 1);
  127.       } else {
  128.         int goal = who[r % 3][c % 3];
  129.         int dr = R[goal] - r;
  130.         int dc = C[goal] - c;
  131.         if (dr >= 2) {
  132.           SetFlag(r, c, 8);
  133.         } else if (dr <= -2) {
  134.           SetFlag(r, c, 9);
  135.         } else if (dc >= 2) {
  136.           SetFlag(r, c, 10);
  137.         } else if (dc <= -2) {
  138.           SetFlag(r, c, 11);
  139.         } else {
  140.           nxt = 1;
  141.           FOR (di, -1, 1) {
  142.             FOR (dj, -1, 1) {
  143.               int nr = (r + di + 3) % 3;
  144.               int nc = (c + dj + 3) % 3;
  145.               int fail = 0;
  146.               REP (tr, 2) {
  147.                 if (nr == nons[tr].st && nc == nons[tr].nd) {
  148.                   fail = 1;
  149.                 }
  150.               }
  151.               if (fail) {
  152.                 assert(di != dr || dj != dc);
  153.                 continue;
  154.               }
  155.               if (di == dr && dj == dc) {
  156.                 SetFlag(r, c, nxt);
  157.               } else {
  158.                 nxt++;
  159.               }
  160.             }
  161.           }
  162.           //SetFlag(r, c, 1 + (dr + 1) + 3 * (dc + 1); // TODO
  163.         }
  164.       } 
  165.     }
  166.   }
  167. }
  168.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:1:10: fatal error: Anna.h: No such file or directory
 #include "Anna.h"
          ^~~~~~~~
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/GzvnZS
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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