Submission #1046662

#	Time	Username	Problem	Language	Result	Execution time	Memory
1046662		Trent	메기 농장 (IOI22_fish)	C++17	Compilation error	0 ms	0 KiB

fish

#include "fish.h"
#include "bits/stdc++.h";
using namespace std;
#define forR(i, x) for(int i = 0; i < (x); ++i)
#define REP(i, a, b) for(int i = (a); i < (b); ++i)
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<int> vi;
typedef vector<vi> vvi;
struct pii{int a, b;};

ll INF = 1e16;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
  int MH = Y[0] + 1;
  for(int i : Y) MH = max(MH, i + 1);
  vvll wp(N, vll(MH));
  vvll wpsa(N, vll(MH));
  forR(x, N) {
    wpsa[x][0] = wp[x][0];
    REP(y, MH) wpsa[x][y] = wpsa[x][y-1] + wp[x][y];
  }
  forR(i, M) wp[X[i]][Y[i]] = W[i];
  vvll I(N, vll(MH+1)), D(N, vll(MH+1)), E(N, vll(MH+1));
  // h = HEIGHT, not the index of last element!
  forR(i, N) {
    REP(h, 1, MH+1) {
      if(i == 0) I[i][h] = 0;
      else {
        forR(k, MH+1) {
          ll tot = E[i-1][k] + wpsa[i-1][h-1] - (k > 0 ? wpsa[i-1][k-1] : 0);
          // REP(y, k, h) tot += wp[i-1][y];
          I[i][h] = max(I[i][h], tot);
        }
        REP(k, 1, h+1) {
          ll tot = I[i-1][k] + wpsa[i-1][h-1] - (k > 0 ? wpsa[i-1][k-1] : 0);
          // REP(y, k, h) tot += wp[i-1][y];
          I[i][h] = max(I[i][h], tot);
        }
      }
    }
    REP(h, 1, MH+1) {
      if(i == 0) D[i][h] = 0;
      else {
        REP(k, h+1, MH+1) {
          ll tot = max(I[i-1][k], D[i-1][k]) + wpsa[i][k-1] - (h > 0 ? wpsa[i][h-1] : 0);
          // REP(y, h, k) tot += wp[i][y];
          D[i][h] = max(D[i][h], tot);
        }
      }
    }
    forR(h, MH+1) {
      if(i == 0) E[i][h] = 0;
      else {
        ll tot = max(I[i-1][h], D[i-1][h]) + wpsa[i][h-1];
        // forR(y, h) tot += wp[i][y];
        E[i][h] = max(E[i][h], tot);
        forR(y, MH+1) E[i][h] = max(E[i][h], E[i-1][y]);
      }
    }
  }
  ll mx = 0;
  REP(h, 1, MH+1) mx = max(mx, max(I[N-1][h], D[N-1][h]));
  forR(h, MH+1) mx = max(mx, E[N-1][h]);
  return mx;
}

Compilation message (stderr)

fish.cpp:2:25: warning: extra tokens at end of #include directive
    2 | #include "bits/stdc++.h";
      |                         ^
fish.cpp:23:14: error: macro "REP" requires 3 arguments, but only 2 given
   23 |     REP(y, MH) wpsa[x][y] = wpsa[x][y-1] + wp[x][y];
      |              ^
fish.cpp:5: note: macro "REP" defined here
    5 | #define REP(i, a, b) for(int i = (a); i < (b); ++i)
      | 
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:23:5: error: 'REP' was not declared in this scope
   23 |     REP(y, MH) wpsa[x][y] = wpsa[x][y-1] + wp[x][y];
      |     ^~~