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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define rep(i,n) for(int i=0;i<(n);++i)
  5. #define loop for(;;)
  6. #define trace(var) cerr<<">>> "<<#var<<" = "<<var<<endl;
  7. #define all(v) begin(v),end(v)
  8. #define pb push_back
  9. #define inf (1e9)
  10. #define eps (1e-9)
  11. using Integer = long long;
  12. using Real = long double;
  13. const Real PI = acosl(-1);
  14. using P = pair<int, int>;
  15.  
  16. template<class S, class T> inline
  17. ostream& operator<<(ostream&os, pair<S,T> p) {
  18.   return os << '(' << p.first << ", " << p.second << ')';
  19. }
  20.  
  21. template<class S, class T, class U> inline
  22. ostream& operator<<(ostream&os, tuple<S,T,U> t) {
  23.   return os << '('
  24.     << get<0>(t) << ", "
  25.     << get<1>(t) << ", "
  26.     << get<2>(t) << ')';
  27. }
  28.  
  29. template<class T> inline
  30. ostream& operator<<(ostream&os, set<T> v) {
  31.   os << "(set";
  32.   for (T item: v) os << ' ' << item;
  33.   os << ")";
  34.   return os;
  35. }
  36.  
  37. template<class T> inline
  38. ostream& operator<<(ostream&os, vector<T> v) {
  39.   if (v.size() == 0) { return os << "(empty)"; }
  40.   os << v[0];
  41.   for (int i=1, len=v.size(); i<len; ++i) os << ' ' << v[i];
  42.   return os;
  43. }
  44.  
  45. template<class T> inline
  46. istream& operator>>(istream&is, vector<T>&v) {
  47.   rep (i, v.size()) is >> v[i];
  48.   return is;
  49. }
  50.  
  51. //           ^   >  v   <
  52. int dx[] = { -1, 0, 1,  0 };
  53. int dy[] = {  0, 1, 0, -1 };
  54.  
  55. using vi = vector<int>;
  56. using vvi = vector<vi>;
  57. using vd = vector<double>;
  58. using vvd = vector<vd>;
  59. using vb = vector<bool>;
  60.  
  61. int f[5][5][5][5];
  62.  
  63. int main() {
  64.   cin.tie(0);
  65.   ios::sync_with_stdio(0);
  66.   cout.setf(ios::fixed);
  67.   cout.precision(10);
  68.   random_device dev;
  69.   mt19937 rand(dev());
  70.  
  71.   stack<tuple<int,int,int,int>> s;
  72.  
  73.   for (int i = 1; i < 5; ++i) {
  74.     rep (j, 5) {
  75.       s.push(make_tuple(0, 0, i, j));
  76.       f[0][0][i][j] = -1;
  77.     }
  78.   }
  79.  
  80.   while (not s.empty()) {
  81.     auto t = s.top(); s.pop();
  82.     int i = get<0>(t);
  83.     int j = get<1>(t);
  84.     int k = get<2>(t);
  85.     int l = get<3>(t);
  86.     int b = f[i][j][k][l];
  87.     if (b == 0) continue;
  88.     if (k != 0) {
  89.       int i2 = (i+5-k)%5;
  90.       if (i2 > 0 and f[k][l][i2][j] != 1) {
  91.         f[k][l][i2][j] = -b;
  92.         s.push(make_tuple(k, l, i2, j)); // k beats i2
  93.       }
  94.       int j2 = (j+5-k)%5;
  95.       if (j2 > 0 and f[k][l][i][j2] != 1) {
  96.         f[k][l][i][j2] = -b;
  97.         s.push(make_tuple(k, l, i, j2));
  98.       }
  99.     }
  100.     if (l != 0) {
  101.       int i2 = (i+5-k)%5;
  102.       if (i2 > 0 and f[k][l][i2][j] != 1) {
  103.         f[k][l][i2][j] = -b;
  104.         s.push(make_tuple(k, l, i2, j));
  105.       }
  106.       int j2 = (j+5-k)%5;
  107.       if (j2 > 0 and f[k][l][i][j2] != 1) {
  108.         f[k][l][i][j2] = -b;
  109.         s.push(make_tuple(k, l, i, j2));
  110.       }
  111.     }
  112.   }
  113.  
  114.   rep (i, 5)
  115.     rep (j, i+1)
  116.     rep (k, 5)
  117.     rep (l, k+1) {
  118.       cout << make_pair(i,j) << ", " <<  make_pair(k,l)
  119.         << " -- " << f[i][j][k][l] << endl;
  120.     }
  121.  
  122.   return 0;
  123. }
  124.  
Success #stdin #stdout 0s 3412KB
comments (?)
stdin
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Standard input is empty
stdout
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(0, 0), (0, 0) -- 0
(0, 0), (1, 0) -- -1
(0, 0), (1, 1) -- -1
(0, 0), (2, 0) -- -1
(0, 0), (2, 1) -- -1
(0, 0), (2, 2) -- -1
(0, 0), (3, 0) -- -1
(0, 0), (3, 1) -- -1
(0, 0), (3, 2) -- -1
(0, 0), (3, 3) -- -1
(0, 0), (4, 0) -- -1
(0, 0), (4, 1) -- -1
(0, 0), (4, 2) -- -1
(0, 0), (4, 3) -- -1
(0, 0), (4, 4) -- -1
(1, 0), (0, 0) -- 0
(1, 0), (1, 0) -- 1
(1, 0), (1, 1) -- 1
(1, 0), (2, 0) -- 0
(1, 0), (2, 1) -- 1
(1, 0), (2, 2) -- 1
(1, 0), (3, 0) -- -1
(1, 0), (3, 1) -- -1
(1, 0), (3, 2) -- -1
(1, 0), (3, 3) -- -1
(1, 0), (4, 0) -- 1
(1, 0), (4, 1) -- 1
(1, 0), (4, 2) -- 1
(1, 0), (4, 3) -- 1
(1, 0), (4, 4) -- 1
(1, 1), (0, 0) -- 0
(1, 1), (1, 0) -- -1
(1, 1), (1, 1) -- 1
(1, 1), (2, 0) -- 1
(1, 1), (2, 1) -- -1
(1, 1), (2, 2) -- 1
(1, 1), (3, 0) -- -1
(1, 1), (3, 1) -- 1
(1, 1), (3, 2) -- -1
(1, 1), (3, 3) -- 1
(1, 1), (4, 0) -- 1
(1, 1), (4, 1) -- 1
(1, 1), (4, 2) -- 1
(1, 1), (4, 3) -- 1
(1, 1), (4, 4) -- 1
(2, 0), (0, 0) -- 0
(2, 0), (1, 0) -- -1
(2, 0), (1, 1) -- 1
(2, 0), (2, 0) -- 1
(2, 0), (2, 1) -- -1
(2, 0), (2, 2) -- -1
(2, 0), (3, 0) -- 1
(2, 0), (3, 1) -- 1
(2, 0), (3, 2) -- 1
(2, 0), (3, 3) -- 1
(2, 0), (4, 0) -- 0
(2, 0), (4, 1) -- -1
(2, 0), (4, 2) -- -1
(2, 0), (4, 3) -- 1
(2, 0), (4, 4) -- -1
(2, 1), (0, 0) -- 0
(2, 1), (1, 0) -- -1
(2, 1), (1, 1) -- -1
(2, 1), (2, 0) -- 1
(2, 1), (2, 1) -- 1
(2, 1), (2, 2) -- -1
(2, 1), (3, 0) -- 1
(2, 1), (3, 1) -- 1
(2, 1), (3, 2) -- 1
(2, 1), (3, 3) -- 1
(2, 1), (4, 0) -- -1
(2, 1), (4, 1) -- 1
(2, 1), (4, 2) -- 1
(2, 1), (4, 3) -- 1
(2, 1), (4, 4) -- -1
(2, 2), (0, 0) -- 0
(2, 2), (1, 0) -- -1
(2, 2), (1, 1) -- 1
(2, 2), (2, 0) -- -1
(2, 2), (2, 1) -- 1
(2, 2), (2, 2) -- 1
(2, 2), (3, 0) -- 1
(2, 2), (3, 1) -- 1
(2, 2), (3, 2) -- 1
(2, 2), (3, 3) -- 1
(2, 2), (4, 0) -- 1
(2, 2), (4, 1) -- -1
(2, 2), (4, 2) -- -1
(2, 2), (4, 3) -- 1
(2, 2), (4, 4) -- 1
(3, 0), (0, 0) -- 0
(3, 0), (1, 0) -- 0
(3, 0), (1, 1) -- 1
(3, 0), (2, 0) -- 1
(3, 0), (2, 1) -- 1
(3, 0), (2, 2) -- 1
(3, 0), (3, 0) -- 1
(3, 0), (3, 1) -- 1
(3, 0), (3, 2) -- 1
(3, 0), (3, 3) -- 1
(3, 0), (4, 0) -- -1
(3, 0), (4, 1) -- -1
(3, 0), (4, 2) -- -1
(3, 0), (4, 3) -- -1
(3, 0), (4, 4) -- -1
(3, 1), (0, 0) -- 0
(3, 1), (1, 0) -- -1
(3, 1), (1, 1) -- 1
(3, 1), (2, 0) -- 1
(3, 1), (2, 1) -- 1
(3, 1), (2, 2) -- 1
(3, 1), (3, 0) -- 1
(3, 1), (3, 1) -- 1
(3, 1), (3, 2) -- 1
(3, 1), (3, 3) -- 1
(3, 1), (4, 0) -- 1
(3, 1), (4, 1) -- 1
(3, 1), (4, 2) -- 1
(3, 1), (4, 3) -- 1
(3, 1), (4, 4) -- 1
(3, 2), (0, 0) -- 0
(3, 2), (1, 0) -- 1
(3, 2), (1, 1) -- -1
(3, 2), (2, 0) -- 1
(3, 2), (2, 1) -- 1
(3, 2), (2, 2) -- 1
(3, 2), (3, 0) -- 1
(3, 2), (3, 1) -- 1
(3, 2), (3, 2) -- 1
(3, 2), (3, 3) -- 1
(3, 2), (4, 0) -- 1
(3, 2), (4, 1) -- 1
(3, 2), (4, 2) -- 1
(3, 2), (4, 3) -- 1
(3, 2), (4, 4) -- 1
(3, 3), (0, 0) -- 0
(3, 3), (1, 0) -- 1
(3, 3), (1, 1) -- 1
(3, 3), (2, 0) -- 1
(3, 3), (2, 1) -- 1
(3, 3), (2, 2) -- 1
(3, 3), (3, 0) -- 1
(3, 3), (3, 1) -- 1
(3, 3), (3, 2) -- 1
(3, 3), (3, 3) -- 1
(3, 3), (4, 0) -- 1
(3, 3), (4, 1) -- 1
(3, 3), (4, 2) -- 1
(3, 3), (4, 3) -- 1
(3, 3), (4, 4) -- 1
(4, 0), (0, 0) -- 0
(4, 0), (1, 0) -- 1
(4, 0), (1, 1) -- 1
(4, 0), (2, 0) -- -1
(4, 0), (2, 1) -- -1
(4, 0), (2, 2) -- 1
(4, 0), (3, 0) -- 0
(4, 0), (3, 1) -- 1
(4, 0), (3, 2) -- -1
(4, 0), (3, 3) -- -1
(4, 0), (4, 0) -- 1
(4, 0), (4, 1) -- -1
(4, 0), (4, 2) -- -1
(4, 0), (4, 3) -- -1
(4, 0), (4, 4) -- -1
(4, 1), (0, 0) -- 0
(4, 1), (1, 0) -- 1
(4, 1), (1, 1) -- 1
(4, 1), (2, 0) -- 1
(4, 1), (2, 1) -- 1
(4, 1), (2, 2) -- 1
(4, 1), (3, 0) -- 1
(4, 1), (3, 1) -- 1
(4, 1), (3, 2) -- 1
(4, 1), (3, 3) -- -1
(4, 1), (4, 0) -- 1
(4, 1), (4, 1) -- 1
(4, 1), (4, 2) -- -1
(4, 1), (4, 3) -- 1
(4, 1), (4, 4) -- 1
(4, 2), (0, 0) -- 0
(4, 2), (1, 0) -- 1
(4, 2), (1, 1) -- 1
(4, 2), (2, 0) -- 1
(4, 2), (2, 1) -- 1
(4, 2), (2, 2) -- 1
(4, 2), (3, 0) -- 1
(4, 2), (3, 1) -- 1
(4, 2), (3, 2) -- 1
(4, 2), (3, 3) -- -1
(4, 2), (4, 0) -- 1
(4, 2), (4, 1) -- 1
(4, 2), (4, 2) -- 1
(4, 2), (4, 3) -- -1
(4, 2), (4, 4) -- 1
(4, 3), (0, 0) -- 0
(4, 3), (1, 0) -- 1
(4, 3), (1, 1) -- 1
(4, 3), (2, 0) -- 1
(4, 3), (2, 1) -- 1
(4, 3), (2, 2) -- 1
(4, 3), (3, 0) -- -1
(4, 3), (3, 1) -- 1
(4, 3), (3, 2) -- -1
(4, 3), (3, 3) -- 1
(4, 3), (4, 0) -- 1
(4, 3), (4, 1) -- 1
(4, 3), (4, 2) -- 1
(4, 3), (4, 3) -- 1
(4, 3), (4, 4) -- 1
(4, 4), (0, 0) -- 0
(4, 4), (1, 0) -- 1
(4, 4), (1, 1) -- 1
(4, 4), (2, 0) -- 1
(4, 4), (2, 1) -- 1
(4, 4), (2, 2) -- 1
(4, 4), (3, 0) -- 1
(4, 4), (3, 1) -- 1
(4, 4), (3, 2) -- -1
(4, 4), (3, 3) -- 1
(4, 4), (4, 0) -- 1
(4, 4), (4, 1) -- 1
(4, 4), (4, 2) -- 1
(4, 4), (4, 3) -- -1
(4, 4), (4, 4) -- 1
https://ideone.com/grY14J
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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