제출 #23516

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
23516		Nirjhor	Gap (APIO16_gap)	C++14	컴파일 에러	0 ms	0 KiB

gap

#include "gap.h"
#include <algorithm>

typedef long long ll;

ll findGap (int subTask, int n) {
  ll l, r, ret = 0; 
  MinMax(0, 1e18, &l, &r);
  if (subTask == 1) {
    for (int i = 0; l < r; ++i) {
      ll new_l, new_r;
      MinMax(l + 1, r - 1, &new_l, &new_r);
      ret = max(ret, new_l - l);
      ret = max(ret, r - new_r);
      l = new_l, r = new_r;
    }
  } else {
    ll block = (r - l + n - 3)/(n - 1);
    for (ll i = l + 1, j = i + block; i < r; i += block, j += block) {
      ll new_l, new_r;
      if (j > r) j = r;
      MinMax(i, j - 1, &new_l, &new_r);
      if (new_l != -1) {
        ret = max(ret, new_l - l);
        l = new_r;
      }
    }
    ret = max(ret, r - l);
  }
  return ret;
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:13:31: error: 'max' was not declared in this scope
       ret = max(ret, new_l - l);
                               ^
gap.cpp:13:31: note: suggested alternative:
In file included from /usr/include/c++/5/algorithm:62:0,
                 from gap.cpp:2:
/usr/include/c++/5/bits/stl_algo.h:3463:5: note:   'std::max'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^
gap.cpp:24:33: error: 'max' was not declared in this scope
         ret = max(ret, new_l - l);
                                 ^
gap.cpp:24:33: note: suggested alternative:
In file included from /usr/include/c++/5/algorithm:62:0,
                 from gap.cpp:2:
/usr/include/c++/5/bits/stl_algo.h:3463:5: note:   'std::max'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^
gap.cpp:28:25: error: 'max' was not declared in this scope
     ret = max(ret, r - l);
                         ^
gap.cpp:28:25: note: suggested alternative:
In file included from /usr/include/c++/5/algorithm:62:0,
                 from gap.cpp:2:
/usr/include/c++/5/bits/stl_algo.h:3463:5: note:   'std::max'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^