Submission #250757

#	Time	Username	Problem	Language	Result	Execution time	Memory
250757		IsaacMoris	Minerals (JOI19_minerals)	C++14	Compilation error	0 ms	0 KiB

minerals

#include<iostream>
#include <bits/stdc++.h>
//#include "minerals.h"
#define ll long long
#define ld long double
#define IO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
void Solve(int N)
{
    vector<int> v;
    for (int i = 1; i <= 2 * N; ++i)
        v.push_back(i);
    for(int i=0; i<50; i++)
        random_shuffle(v.begin(),v.end());
    stack<int> st;
    int last=0;
    while(!v.empty())
    {
        int x= Query(v.back());
        if(x!=last)
        {
            st.push(v.back());
            v.pop_back();
            last=x;
            continue;
        }
        int a=v.back();
        v.pop_back();
        while(1)
        {
            x=Query(st.top());
            if(x!=last)
            {
                v.push_back(st.top());
                st.pop();
                last=x;
                continue;
            }
            Answer(st.top(), a);
            st.pop();
            last=Query(a);
            break;
        }
    }
}

Compilation message (stderr)

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:19:16: error: 'Query' was not declared in this scope
         int x= Query(v.back());
                ^~~~~
minerals.cpp:39:13: error: 'Answer' was not declared in this scope
             Answer(st.top(), a);
             ^~~~~~