제출 #339563

#제출 시각아이디문제언어결과실행 시간메모리
339563fixikmilaXoractive (IZhO19_xoractive)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include<interactive.h> using namespace std; #define MOD 1000000007 typedef long long ll; typedef pair<ll,ll>pll; typedef long double ld; ll bin_pow(ll a,ll b){ if(b==0)return 1; if(b%2==0){ ll t=bin_pow(a,b/2); return t*t%MOD; } else return a*bin_pow(a,b-1)%MOD; } vector<int> guess(int n){ vector<int>a(n); a[0]=ask(1); a[1]=ask(2); a[2]=ask(3); a[3]=ask(4); for(int i=0;i<n;i+=2){ int x=ask(i+1); vector<int>c,y; c.push_back(i+1); c.push_back(i+2); y=get_pairwise_xor(c); z=y.back()^x; a[i]=x; a[i+1]=z; } return a; }

컴파일 시 표준 에러 (stderr) 메시지

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:29:9: error: 'z' was not declared in this scope
   29 |         z=y.back()^x;
      |         ^