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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
#473661#5090. 妙妙题A6n6d6y6Compile Error//C++20527b2024-07-12 12:03:232024-07-12 12:03:24

Judging History

This is the latest submission verdict.

  • [2024-07-12 12:03:24]
  • Judged
  • [2024-07-12 12:03:23]
  • Submitted

answer

#include<bits/stdc++.h>
#include "tmp.h"
#define int long long
#define double long double
using namespace std;
const int maxn=2e5+10;
const double pi=acosl(-1),eps=1e-10l;
double sn[maxn],cs[maxn];
int n;
void init(int m,bool _,int p){
	n=m;
	for(int i=1;i<n;i++)
		sn[i]=sinl(2*pi*i/n),cs[i]=cosl(2*pi*i/n);
}
bool guess(unsigned long long a,int _){
	double x=0,y=0;int s=0;
	for(int i=1;i<n;i++)
		if((a>>(i-1))&1)
			x+=cs[i],y+=sn[i],s++;
	if(fabsl(y)<=eps)return (fabsl(x)>eps);
	return (s&1)^(y>0);
}

详细

implementer.cpp: In function ‘int _JFIBEIIYTAFEUXOULOWO_::main()’:
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);
      |                 ~~~~~^~~~~~~~~~~
/usr/bin/ld: /tmp/ccjHnvTU.o: in function `_JFIBEIIYTAFEUXOULOWO_::main()':
implementer.cpp:(.text.startup+0x65): undefined reference to `init(int, bool, int)'
/usr/bin/ld: implementer.cpp:(.text.startup+0x578): undefined reference to `guess(unsigned long long, int)'
collect2: error: ld returned 1 exit status