QOJ.ac

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
#474101#5090. 妙妙题OFforest_1273Compile Error//C++14861b2024-07-12 16:07:002024-07-12 16:07:00

Judging History

This is the latest submission verdict.

  • [2024-07-12 16:07:00]
  • Judged
  • [2024-07-12 16:07:00]
  • Submitted

answer

#include<bits/stdc++.h>
#include "tmp.h"
using namespace std;
char buf[1<<23],*p1=buf,*p2=buf;
#define getchar() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
template <typename T> inline void read(T &x){x=0;int f=1;char c=getchar();while(c<'0'||c>'9'){if(c=='-')f*=-1;c=getchar();}while(c>='0'&&c<='9')x=(x<<1)+(x<<3)+(c^48),c=getchar();x*=f;}
template <typename T> inline void write(T x){if(x>9)write(x/10);putchar(x%10+'0');}
const int N=65;
constexpr long double pi=acos(-1.0),eps=1e-8;
int n,s[N],c[N];
void init(int m,bool type,int p){
	n=m;
	for(int i=1;i<=n;++i)s[i]=sin(2*pi*i/n),c[i]=cos(2*pi*i/n);
}
bool guess(unsigned long long a,int x){
	double x=0,y=0;
	int m=0;
	for(int i=1;i<n;++i)if((a>>(i-1))&1)x+=c[i],y+=s[i],m^=1;
	if(fabs(x)<eps&&fabs(y)<eps)return 0;
	if(fabs(y)<eps)return 1;
	return (y>0)^m;
}

詳細信息

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 function ‘bool guess(long long unsigned int, int)’:
answer.code:16:16: error: declaration of ‘double x’ shadows a parameter
   16 |         double x=0,y=0;
      |                ^
answer.code:15:37: note: ‘int x’ previously declared here
   15 | bool guess(unsigned long long a,int x){
      |                                 ~~~~^