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  1. REP (i, N) {
  2.     newt[i][0] = newt[i][i] = 1;
  3.   }
  4.   RE (i, N - 1) {
  5.     FOR (j, 1, i - 1) {
  6.       newt[i][j] = (newt[i - 1][j] + newt[i - 1][j - 1]) % P;
  7.     }
  8.   }
  9.   make2(int, n, k);
  10.   int ans = 0;
  11.   dp[1][1][1] = 1;
  12.   pref[1][1][1] = 1;
  13.   RE (check, n) {
  14.     int c = check % 2;
  15.     FOR (all, 1, n) {
  16.       if (check == 1 && all == 1) { continue; }
  17.       RE (ord, all) {
  18.         dp[all][ord][c] = (pref[all - 1][ord - 1][c] + pref[all - 1][all - 1][c ^ 1] - pref[all - 1][ord - 1][c ^ 1] + P) % P;
  19.         debug4(all, ord, check, dp[all][ord][c]);
  20.         pref[all][ord][c] = (pref[all][ord - 1][c] + dp[all][ord][c]);
  21.       }
  22.     }
  23.     RE (o1, k) {
  24.       RE (o2, n - k + 1) {
  25.         ans += dp[k][o1][c] * dp[n - k + 1][o2][c] % P * newt[o1 + o2 - 2][o1 - 1] % P * newt[n + 1 - o1 - o2][k - o1] % P;
  26.         ans %= P;
  27.       }
  28.     }
  29.     debug2(check, ans);
  30.   }
  31.   cout<<ans<<"\n";
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:1:5: error: expected constructor, destructor, or type conversion before '(' token
 REP (i, N) {
     ^
prog.cpp:4:6: error: expected constructor, destructor, or type conversion before '(' token
   RE (i, N - 1) {
      ^
stdout
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Standard output is empty
https://ideone.com/GdOSTe
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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