#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll dp[202], S[202], M;
vector<int> V0[202][4];
bool first = 1;
vector<int> encode(ll x){ ///reverse order
vector<int> ret;
for (int z=3;z<=M;z++){
if (x >= dp[z]) {x -= dp[z]; continue;}
if (x <= 1){
for (int i=z-3;i>=0;i--) ret.push_back(x^1);
ret.push_back(x);
ret.push_back(x);
return ret;
}
else if (x <= 3){
x -= 2;
for (int i=z-3;i>=0;i--) ret.push_back(x^1^(i&1));
ret.push_back(x);
ret.push_back(x);
return ret;
}
else if (x <= 3 + dp[z-2]){
x -= 4;
ret = encode(x + S[z-3]);
ret.push_back(ret.back());
ret.push_back(ret.back());
return ret;
}
else{
x -= 4 + dp[z-2];
ret = encode(x + S[z-4]);
ret.push_back(ret.back());
ret.push_back(ret.back()^1);
ret.push_back(ret.back());
return ret;
}
}
exit(1);
}
ll decode(vector<int> V){ ///reverse order
int L = V.size();
for (int i=0;i<4;i++) if (V==V0[L][i]) return S[L-1] + i;
if (V[(int)V.size()-3]==V.back()) return S[L-1] + 4 + (decode(vector<int>(V.begin(), V.end()-2)) - S[L-3]);
return S[L-1] + 4 + dp[L-2] + (decode(vector<int>(V.begin(), V.end()-3)) - S[L-4]);
}
void init(){
if (!first) return;
first = 0;
dp[0] = 0, S[0] = 0;
dp[1] = 0, S[1] = 0;
dp[2] = 0, S[2] = 0;
dp[3] = 2, S[3] = 2;
for (int i=4;i<202;i++){
dp[i] = dp[i-2] + dp[i-3] + 4;
S[i] = S[i-1] + dp[i];
if (S[i] >= (ll)1e18){
M = i;
break;
}
}
for (int i=3;i<=M;i++){
for (int j=0;j<(i==3?2:4);j++) V0[i][j] = encode(S[i-1] + j);
}
}
int Declare() {
init();
return 139;
}
std::pair<std::vector<int>, std::vector<int> > Anna(long long A) {
if (decode(encode(A))!=A){
auto V = encode(A);
printf("%lld -> ", A);
for (auto &x:V) printf("%d ", x);
printf("-> ");
printf("%lld\n", decode(V));
}
assert(decode(encode(A)) == A);
vector<int> ret[2];
ret[0] = encode(A);
ret[0].pop_back();
reverse(ret[0].begin(), ret[0].end());
/*printf("%lld -> ", A);
for (auto &x:ret[0]) printf("%d ", x);
printf("\n");*/
for (int i=0;i<(int)ret[0].size();i++) ret[1].push_back((i&1)^ret[0][0]);
return {ret[0], ret[1]};
}
Compilation message
/usr/bin/ld: /tmp/ccpXbHIZ.o: in function `main':
grader_bruno.cpp:(.text.startup+0x3ab): undefined reference to `Bruno(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status
