제출 #1044045

#제출 시각아이디문제언어결과실행 시간메모리
1044045guagua0407Portal (BOI24_portal)C++14
컴파일 에러
0 ms0 KiB
//#pragma GCC optimize("O3") #include <bits/stdc++.h> using namespace std; #define ll __int128 #define pii pair<int,int> #define f first #define s second #define all(x) x.begin(),x.end() #define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int dx[4]={0,0,1,-1}; int dy[4]={1,-1,0,0}; void setIO(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); } int main() {_ int n; cin>>n; if(n<=2){ cout<<-1<<'\n'; return 0; } pair<ll,ll> st,a,b; int x,y; cin>>x>>y; st.f=x,st.s=y; cin>>x>>y; a.f=x,a.s=y; a.f-=st.f; a.s-=st.s; if(a.f<0){ a.f*=-1; a.s*=-1; } vector<ll> ys; auto go=[&](){ if(a.f<b.f) swap(a,b); while(b.f!=0){ ll c=a.f/b.f; a.f-=c*b.f; a.s-=c*b.s; if(a.f<b.f) swap(a,b); } ys.push_back(abs(b.s)); }; for(int i=0;i<n-2;i++){ cin>>x>>y; b.f=x,b.s=y; b.f-=st.f; b.s-=st.s; if(b.f<0){ b.f*=-1; b.s*=-1; } go(); } ll g=ys[0]; for(int i=1;i<(int)ys.size();i++){ g=__gcd(g,ys[i]); } ll ans=abs(g*a.f); cout<<(ans==0?-1:(long long)ans)<<'\n'; return 0; } //maybe its multiset not set //yeeorz //laborz

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In lambda function:
Main.cpp:47:29: error: call of overloaded 'abs(__int128&)' is ambiguous
   47 |         ys.push_back(abs(b.s));
      |                             ^
In file included from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from Main.cpp:2:
/usr/include/stdlib.h:840:12: note: candidate: 'int abs(int)'
  840 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from Main.cpp:2:
/usr/include/c++/10/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
Main.cpp: In function 'int main()':
Main.cpp:64:21: error: call of overloaded 'abs(__int128)' is ambiguous
   64 |     ll ans=abs(g*a.f);
      |                     ^
In file included from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from Main.cpp:2:
/usr/include/stdlib.h:840:12: note: candidate: 'int abs(int)'
  840 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from Main.cpp:2:
/usr/include/c++/10/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/10/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
Main.cpp: In function 'void setIO(std::string)':
Main.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~