#include<bits/stdc++.h>
#include "speedrun.h"
using namespace std;
void assignHints(int subtask, int n, int a[], int b[]){
if(subtask==1){
int i;
setHintLen(n);
for(i=1;i<n;i++){
setHint(a[i],b[i],1);
setHint(b[i],a[i],1);
}
}
if(subtask==2){
int c;
if(a[2]==a[1] || a[2]==b[1]) c=a[2];
else c=b[2];
int l=1,h[20];
while(c>0){
h[l]=c%2;
c/=2;
l++;
}
setHintLen(l-1);
int i,j;
for(i=1;i<=n;i++){
if(i==c) continue;
for(j=1;j<l;j++) setHint(i,j,h[j]);
}
}
}
int n;
bool f[1001];
void rec(int k, int p){
int i;
f[k]=1;
for(i=1;i<=n;i++){
if(getHint(i) && !f[i]){
goTo(i);
rec(i,k);
}
}
if(p==0) return;
goTo(p);
}
void speedrun(int st, int N, int start){
n=N;
if(subtask==1) rec(start,0);
if(subtask==2){
int i,F=0,c=0,t=1;
int l = getLength();
for(i=1;i<=l;i++) if(getHint(i)==1){F=1; break;}
if(F){
for(i=1;i<l;i++) t*=2;
for(i=l-1;i>=1;i--){
c+=getHint(i)*t;
t/=2;
}
goTo(c);
}
else c=start;
for(i=1;i<=n;i++){
if(i==c) continue;
goTo(i);
goTo(c);
}
}
}
Compilation message
speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:54:8: error: 'subtask' was not declared in this scope
54 | if(subtask==1) rec(start,0);
| ^~~~~~~
speedrun.cpp:56:8: error: 'subtask' was not declared in this scope
56 | if(subtask==2){
| ^~~~~~~
