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Cod sursa(job #716426)
#include <fstream>
using namespace std;
ifstream f("multimi2.in"); ofstream g("multimi2.out");
int a[500005], b[500005], x, y, an, bn, n, r;
int main(){
f>>n;
if (n%2==1){
if ((n-1)/2%2==1){
r=0;
for (int i=n; i>3; i-=4){
an++; a[an]=i;
bn++; b[bn]=i-1;
bn++; b[bn]=i-2;
an++; a[an]=i-3;
}
an++; a[an]=3;
bn++; b[bn]=2;
bn++; b[bn]=1;
}
else{
r=1;
for (int i=n; i>1; i-=4){
an++; a[an]=i;
bn++; b[bn]=i-1;
bn++; b[bn]=i-2;
an++; a[an]=i-3;
}
an++; a[an]=1;
}
}
else {
if (n/2%2==1){
r=1;
for (int i=n; i>2; i-=4){
an++; a[an]=i;
bn++; b[bn]=i-1;
bn++; b[bn]=i-2;
an++; a[an]=i-3;
}
an++; a[an]=2;
bn++; b[bn]=1;
}
else {
r=0;
for (int i=n; i>0; i-=4){
an++; a[an]=i;
bn++; b[bn]=i-1;
bn++; b[bn]=i-2;
an++; a[an]=i-3;
}
}
}
g<<r<<"\n";
g<<an<<"\n";
for (int i = 1; i<=an; i++) g<<a[i]<<" ";
g<<"\n";
g<<bn<<"\n";
for (int i = 1; i<=bn; i++) g<<b[i]<<" ";
g<<"\n";
}