#include <iostream>
#include <vector>
#include <set>
#include <iomanip>
#include <algorithm>
#include <functional>
#include <stdio.h>
#include <cmath>
#include <queue>
#include <string>
#include <map>
#include <fstream>
#include <complex>
#include <stack>
#include <set>
#define FOR(i,n) for(int i=0;i<n;i++)
#define FORE(i,a,b) for(int i=a;i<=b;i++)
#define ll long long int
#define vi vector<int>
#define ii pair<int,int>
#define pb push_back
//#define mp make_pair
#define ff first
#define ss second
#define pll pair<ll,ll>
#define cd complex<double>
#define ld long double
#define pld pair<ld,ld>
#define iii pair<ii,int>
const ld INF = 1e9+10;
using namespace std;
const int MAXN = 1000*100*2+10;
const int MAXVAL = 1e9+10;
const int N = 1000;
int mp[N];
void precalc(){
int ptr = 0;
FOR(mask,1<<12){
int ctr = 0;
FOR(i,12){
if((mask&(1<<i))>0)ctr++;
}
if(ctr == 6){
mp[ptr] = mask;
ptr++;
}
}
}
#define endl '\n'
int encode(int n,int x,int y){
if(mp[0] == 0)precalc();
int ptr = 0;
while(1){
if((mp[a]&(1<<ptr))>0){
if((mp[b]&(1<<ptr)) == 0){
break;
}
}
ptr++;
}
//cout << ptr+1 << endl;
return ptr+1;
}
#include <iostream>
#include <vector>
#include <set>
#include <iomanip>
#include <algorithm>
#include <functional>
#include <stdio.h>
#include <cmath>
#include <queue>
#include <string>
#include <map>
#include <fstream>
#include <complex>
#include <stack>
#include <set>
#define FOR(i,n) for(int i=0;i<n;i++)
#define FORE(i,a,b) for(int i=a;i<=b;i++)
#define ll long long int
#define vi vector<int>
#define ii pair<int,int>
#define pb push_back
//#define mp make_pair
#define ff first
#define ss second
#define pll pair<ll,ll>
#define cd complex<double>
#define ld long double
#define pld pair<ld,ld>
#define iii pair<ii,int>
const ld INF = 1e9+10;
using namespace std;
const int MAXN = 1000*100*2+10;
const int MAXVAL = 1e9+10;
const int N = 1000;
int mp[N];
void precalc(){
int ptr = 0;
FOR(mask,1<<12){
int ctr = 0;
FOR(i,12){
if((mask&(1<<i))>0)ctr++;
}
if(ctr == 6){
mp[ptr] = mask;
ptr++;
}
}
}
int decode(int n,int q,int h){
if(mp[0] == 0)precalc();
h--;
if(q&(1<<h)){
return 1;
//cout << "yes" << endl;
}else{
return 0;
//cout << "no" << endl;
}
}
Compilation message
encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:59:12: error: 'a' was not declared in this scope
if((mp[a]&(1<<ptr))>0){
^
encoder.cpp:60:13: error: 'b' was not declared in this scope
if((mp[b]&(1<<ptr)) == 0){
^
