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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #137299 | #2350. Integer Cow | S_Explosion# | Compile Error | / | / | C++20 | 1.2kb | 2023-08-10 09:56:39 | 2023-08-10 09:56:40 |
Judging History
你现在查看的是最新测评结果
- [2023-08-10 23:21:45]
- System Update: QOJ starts to keep a history of the judgings of all the submissions.
- [2023-08-10 09:56:40]
- 评测
- 测评结果：Compile Error
- 用时：0ms
- 内存：0kb
- [2023-08-10 09:56:39]
- 提交
answer
#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
typedef long double ld;
typedef long long ll;
const ld eps=1e-10;
int T;
ll r,xc,yc,x0,y0,ansx,ansy,ans;
ld x1,y1,l;
ll dist2(ll x1,ll y1,ll x2,ll y2){
return (x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
}
ld dist(ld x1,ld y1,ld x2,ld y2){
return sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
}
bool is_point_in_circle(ll x0,ll y0,ll xc,ll yc,ll r){
return dist2(x0,y0,xc,yc)<=r*r;
}
int main(){
ios::sync_with_stdio(false);
ll x,y;
cin>>T;
while(T--){
ans=9e18;
cin>>xc>>yc>>r>>x0>>y0;
if(is_point_in_circle(x0,y0,xc,yc,r)){
cout<<0<<'\n';
cout<<x0<<' '<<y0<<'\n';
continue;
}
l=dist(x0,y0,xc,yc);
x1=((l-r)*xc+r*x0)/l;
y1=((l-r)*yc+r*y0)/l;
for(x=x1-10;x<=x1+10;x++)
for(y=y1-10;y<=y1+10;y++){
if(!is_point_in_circle(x,y,xc,yc,r))
continue;
ll cur=dist2(x0,y0,x,y);
if(cur<ans)
ans=cur,ansx=x,ansy=y;
}
cout<<1<<'\n';
cout<<x0<<' '<<y0<<' '<<ansx<<' '<<ansy<<'\n';
}
return 0;
}
详细
answer.code:9:15: error: ‘ll y0’ redeclared as different kind of entity
9 | ll r,xc,yc,x0,y0,ansx,ansy,ans;
| ^~
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/c++/11/bits/os_defines.h:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/c++config.h:571,
from /usr/include/c++/11/iostream:38,
from answer.code:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:220:1: note: previous declaration ‘double y0(double)’
220 | __MATHCALL (y0,, (_Mdouble_));
| ^~~~~~~~~~
answer.code:10:7: error: ‘ld y1’ redeclared as different kind of entity
10 | ld x1,y1,l;
| ^~
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/c++/11/bits/os_defines.h:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/c++config.h:571,
from /usr/include/c++/11/iostream:38,
from answer.code:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:221:1: note: previous declaration ‘double y1(double)’
221 | __MATHCALL (y1,, (_Mdouble_));
| ^~~~~~~~~~
answer.code: In function ‘int main()’:
answer.code:26:27: error: no match for ‘operator>>’ (operand types are ‘std::basic_istream<char>::__istream_type’ {aka ‘std::basic_istream<char>’} and ‘double(double) noexcept’)
26 | cin>>xc>>yc>>r>>x0>>y0;
| ~~~~~~~~~~~~~~~~~~^~~~
| | |
| | double(double) noexcept
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
In file included from /usr/include/c++/11/iostream:40,
from answer.code:1:
/usr/include/c++/11/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++/11/istream:120:7: note: conversion of argument 1 would be ill-formed:
answer.code:26:29: error: invalid conversion from ‘double (*)(double) noexcept’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’} [-fpermissive]
26 | cin>>xc>>yc>>r>>x0>>y0;
| ^~
| |
| double (*)(double) noexcept
In file included from /usr/include/c++/11/iostream:40,
from answer.code:1:
/usr/include/c++/11/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++/11/istream:124:7: note: conversion of argument 1 would be ill-formed:
answer.code:26:29: error: invalid conversion from ‘double (*)(double) noexcept’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’} [-fpermissive]
26 | cin>>xc>>yc>>r>>x0>>y0;
| ^~
| |
| double (*)(double) noexcept
In file included from /usr/include/c++/11/iostream:40,
from answer.code:1:
/usr/include/c++/11/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++/11/istream:131:7: note: conversion of argument 1 would be ill-formed:
answer.code:26:29: error: invalid conversion from ‘double (*)(double) noexcept’ to ‘std::ios_base& (*)(std::ios_base&)’ [-fpermissive]
26 | cin>>xc>>yc>>r>>x0>>y0;
| ^~
| |
| double (*)(double) noexcept
In file included from /usr/include/c++/11/iostream:40,
from answer.code:1:
/usr/include/c++/11/istream:168:7: note: c...