Submission #35669

#	Time	Username	Problem	Language	Result	Execution time	Memory
35669		funcsr	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KiB

gap

#include "gap.h"
#include <iostream>
#include <vector>
#include <deque>
#include <cassert>
#include <algorithm>
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(xs) xs.begin(), xs.end()
#define pb push_back
using namespace std;
typedef pair<long long, long long> P;

P query(long long s, long long t) {
  long long mn, mx;
  MinMax(s, t, &mn, &mx);
  return P(mn, mx);
}

long long findGap(int T, int N) {
  if (T == 1) {
    long long lo = 0, hi = 1000000000000000000LL;
    vector<long long> fr, br;
    rep(_, (N+1)/2) {
      long long a, b;
      tie(a, b) = query(lo, hi);
      lo = a+1, hi = b-1;
      fr.pb(a);
      if (a != b) br.pb(b);
    }
    reverse(all(br));
    for (long long x : br) fr.pb(x);
    //for (long long x: fr)cout<<x<<",";cout<<"\n";
    assert(fr.size() == N);
    long long m = 0;
    rep(i, N-1) m = max(m, fr[i+1]-fr[i]);
    return m;
  }
  else {
    return 0;
  }
  return 0;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:25:15: error: 'tie' was not declared in this scope
       tie(a, b) = query(lo, hi);
               ^
In file included from /usr/include/c++/5/cassert:43:0,
                 from gap.cpp:5:
gap.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     assert(fr.size() == N);
                      ^