제출 #614094

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
614094		sword060	Gap (APIO16_gap)	C++17	컴파일 에러	0 ms	0 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
vector<long long>a;
int rec(long long l,long long r,long long x){
  if(l>r||x<=0)return 0;
  long long c,v;
  MinMax(l,r,&c,&v);
  if(c==-1)return 0;
  a.push_back(c);a.push_back(v);
  if(c==v||c==v-1)return 2;
  int ret=2;
  ret+=rec(c+1,(c+v)/2,x-2)+2;
  ret+=rec((c+v)/2+1,v-1,x-ret)+2;
  return ret;
}
long long findGap(int q,int x){
  if(q==2)rec(0,1e18,x);
  else{
    long long c=0,v=1e18,zz=x;
    while(zz&&c<=v){
      long long l,r;
      MinMax(c,v,&l,&r);
      if(l==-1)break;
      a.push_back(l);if(l!=r)a.push_back(r);
      c=l+1;v=r-1;zz-=2;
    }
  }
  sort(a.begin(),a.end());
  long long ret=0;
  for(int i=0;i<(int)a.size()-1;i++)ret=max(ret,a[i+1]-a[i]);
  return ret;
}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp:14:2: error: extended character   is not valid in an identifier
   14 |   ret+=rec((c+v)/2+1,v-1,x-ret)+2;
      |  ^
gap.cpp: In function 'int rec(long long int, long long int, long long int)':
gap.cpp:14:2: error: '\U000000a0ret' was not declared in this scope; did you mean 'ret'?
   14 |   ret+=rec((c+v)/2+1,v-1,x-ret)+2;
      |  ^~~~
      |  ret