제출 #597145

#제출 시각아이디문제언어결과실행 시간메모리
597145JJAnawatAliens (IOI07_aliens)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; long long n,x0,y0; bool query(long long qx,long long qy){ cout << "examine " << qx << " " << qy << "\n"; string s; cin >> s; return s=="true"; } bool askx(long long x,long long y,long long pl){ if(x+pl>n||x+pl<=0) return 0; return query(x+pl,y); } bool asky(long long x,long long y,long long pl){ if(y+pl>n||y+pl<=0) return 0; return query(x,y+pl); } void sol(int sx,int sy){ cout << "solution " << sx << " " << sy << "\n"; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); long long lu,lr,ld,ll; cin >> n >> x0 >> y0; bool chk=1; long long l=x0,r=x0; //up for(int i=0;i<=30;i++){ r=x0+(1<<i); r=min(r,n); chk=query(r,y0); if(!chk||r==n) break; l=r; } if(r==n&&chk) lu=n; else{ while(l<r){ long long mid=r-((r-l)>>2); chk=query(mid,y0); if(chk) l=mid; else r=mid-1; } lu=l; } //right l=y0; for(int i=0;i<=30;i++){ r=y0+(1<<i); r=min(r,n); chk=query(x0,r); if(!chk||r==n) break; l=r; } if(r==n&&chk) lr=n; else{ while(l<r){ long long mid=r-((r-l)>>2); chk=query(x0,mid); if(chk) l=mid; else r=mid-1; } lr=l; } //down l=x0; long long one=1; for(int i=0;i<=30;i++){ r=x0-(1<<i); r=max(r,one); chk=query(r,y0); if(!chk||r==1) break; l=r; } if(r==1&&chk) ld=1; else{ while(l>r){ long long mid=l+((r-l)>>2); chk=query(mid,y0); if(chk) r=mid; else l=mid-1; } ld=l; } ll=lr-(lu-ld); long long m=lu-ld+1; long long mx=ld+m/2; long long my=ll+m/2; lu=ld=mx; ll=lr=my; for(int i=2;i>=1;i--){ if(askx(mx,my,2*m*i)){ lu+=2*m*i; break; } } for(int i=2;i>=1;i--){ if(askx(mx,my,-2*m*i)){ ld-=2*m*i; break; } } for(int i=2;i>=1;i--){ if(asky(mx,my,2*m*i)){ lr+=2*m*i; break; } } ll=ll-(lr-ll); cout << "solution " << (lu+ld)/2 << " " << (ll+lr)/2 << "\n"; }

컴파일 시 표준 에러 (stderr) 메시지

aliens.cpp:5:16: error: 'long long int y0' redeclared as different kind of entity
    5 | long long n,x0,y0;
      |                ^~
In file included from /usr/include/features.h:461,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/c++config.h:518,
                 from /usr/include/c++/10/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from aliens.cpp:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:220:1: note: previous declaration 'double y0(double)'
  220 | __MATHCALL (y0,, (_Mdouble_));
      | ^~~~~~~~~~
aliens.cpp: In function 'int main()':
aliens.cpp:35:20: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) throw ()' {aka 'double(double)'})
   35 |     cin >> n >> x0 >> y0;
      |     ~~~~~~~~~~~~~~ ^~ ~~
      |              |        |
      |              |        double(double) throw () {aka double(double)}
      |              std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/10/istream:120:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]' (near match)
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/10/istream:124:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:131:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/include/c++/10/istream:131:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:168:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: warning: the address of 'double y0(double)' will never be NULL [-Waddress]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
aliens.cpp:35:23: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/10/istream:172:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'short int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(short int)y0' to 'short int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:175:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  175 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:175:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'short unsigned int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(short unsigned int)y0' to 'short unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:179:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  179 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/10/istream:179:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(int)y0' to 'int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:182:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  182 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:182:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'unsigned int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(unsigned int)y0' to 'unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:186:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  186 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:186:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'long int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(long int)y0' to 'long int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:190:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  190 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:190:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'long unsigned int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(long unsigned int)y0' to 'long unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:195:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  195 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:195:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'long long int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(long long int)y0' to 'long long int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/10/istream:199:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'long long unsigned int' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(long long unsigned int)y0' to 'long long unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:235:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
  235 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/10/istream:235:7: note:   conversion of argument 1 would be ill-formed:
aliens.cpp:35:23: error: invalid conversion from 'double (*)(double) throw ()' {aka 'double (*)(double)'} to 'void*' [-fpermissive]
   35 |     cin >> n >> x0 >> y0;
      |                       ^~
      |                       |
      |                       double (*)(double) throw () {aka double (*)(double)}
aliens.cpp:35:23: error: cannot bind rvalue '(void*)y0' to 'void*&'
In file included from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:1:
/usr/include/c++/10/istream:214:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  214 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/10/istream:214:25: note:   no known conversion for argument 1 from 'double(double) throw ()' {aka 'double(double)'} to 'float&'
  214 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/10/istream:218:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  218 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/10/istream:218:26: note:   no known conversion for argument 1 from 'double(double) throw ()' {aka 'double(double)'} to 'double&'
  218 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/10/istream:222:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
  222 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/10/istream:222:31: note:   no known conversion for argument 1 from 'double(double) throw ()' {aka 'double(double)'} to 'long double&'
  222 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/10/istream:259:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]'
  259 |       operator>>(__streambuf_type* __sb);
      |       ^~~~~~~~
/usr/include/c++/10/istream:259:36: note:   no known conversion for argument 1 from 'double(double) throw ()' {aka 'double(double)'} to 'std::basic_istream<