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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#474340 | #5090. 妙妙题 | bai_hong | Compile Error | / | / | C++14 | 788b | 2024-07-12 17:31:19 | 2024-07-12 17:31:19 |
Judging History
This is the latest submission verdict.
- [2024-07-12 17:31:19]
- Judged
- Verdict: Compile Error
- Time: 0ms
- Memory: 0kb
- [2024-07-12 17:31:19]
- Submitted
answer
#include<bits/stdc++.h>
#include "tmp.h"
const double Pi=acos(-1);
const double eps=1e-8;
using namespace std;
struct plex{
double x,y;
plex(){ x=y=0; }
plex operator +(const plex &t)const{
return {x+t.x,y+t.y};
}
plex operator *(const plex &t)const{
return {x*t.x-y*t.y,x*t.y+y*t.x};
}
};
int n;
inline int sgn(double x){ return x<-eps ? -1:x>eps; }
inline int mul(plex a,plex b){ double r=a.x*b.y-a.y*b.x; return sgn(r); }
void init(int N,bool tp,int id){ n=N; return ; }
bool guess(unsigned long long S,int x){
plex W1={cos(Pi*2/n),sin(Pi*2/n)};
plex now=W1,sum={0,0}; int Bc=0;
for (int i=0;i<n-1;i++,now=now*W1)
if (S>>i&1) Bc++,sum+=now;
int t=mul(sum,now);
if (!sgn(sum.x)&&!sgn(sum.y)) return 0;
return t<0 ? Bc&1:(t>0 ? (Bc&1)^1:1);
}
Details
implementer.cpp: In function ‘int _JFIBEIIYTAFEUXOULOWO_::main()’: implementer.cpp:31:22: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 31 | auto [A,x,y,z]=V[i]; | ^ implementer.cpp:36:18: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 36 | for(auto [A,x,y]:U) | ^ implementer.cpp:39:22: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 39 | auto [A,x,y,z]=V[i]; | ^ implementer.cpp:18:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 18 | scanf("%d%d%d%d",&N,&Type,&p,&T); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ implementer.cpp:23:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 23 | scanf("%llu",&x); | ~~~~~^~~~~~~~~~~ answer.code: In member function ‘plex plex::operator+(const plex&) const’: answer.code:10:36: error: could not convert ‘{(((double)((const plex*)this)->plex::x) + ((double)t.plex::x)), (((double)((const plex*)this)->plex::y) + ((double)t.plex::y))}’ from ‘<brace-enclosed initializer list>’ to ‘plex’ 10 | return {x+t.x,y+t.y}; | ^ | | | <brace-enclosed initializer list> answer.code: In member function ‘plex plex::operator*(const plex&) const’: answer.code:13:48: error: could not convert ‘{((((double)((const plex*)this)->plex::x) * ((double)t.plex::x)) - (((double)((const plex*)this)->plex::y) * ((double)t.plex::y))), ((((double)((const plex*)this)->plex::x) * ((double)t.plex::y)) + (((double)((const plex*)this)->plex::y) * ((double)t.plex::x)))}’ from ‘<brace-enclosed initializer list>’ to ‘plex’ 13 | return {x*t.x-y*t.y,x*t.y+y*t.x}; | ^ | | | <brace-enclosed initializer list> answer.code: In function ‘bool guess(long long unsigned int, int)’: answer.code:21:41: error: could not convert ‘{cos(((((double)Pi) * (double)2) / (double)n)), sin(((((double)Pi) * (double)2) / (double)n))}’ from ‘<brace-enclosed initializer list>’ to ‘plex’ 21 | plex W1={cos(Pi*2/n),sin(Pi*2/n)}; | ^ | | | <brace-enclosed initializer list> answer.code:22:29: error: could not convert ‘{0, 0}’ from ‘<brace-enclosed initializer list>’ to ‘plex’ 22 | plex now=W1,sum={0,0}; int Bc=0; | ^ | | | <brace-enclosed initializer list> answer.code:24:37: error: no match for ‘operator+=’ (operand types are ‘plex’ and ‘plex’) 24 | if (S>>i&1) Bc++,sum+=now; | ~~~^~~~~