#include "doll.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <unordered_map>
using namespace std;
void answer(vector<int> C, vector<int> X, vector<int> Y);
struct xyswitch {
int x, y;
int par = 0;
bool gox = true;
bool active = true;
xyswitch() {}
xyswitch(int x, int y) { this->x = x; this->y = y; }
};
struct xyswitch {
int x, y;
int par = 0;
bool gox = true;
bool active = true;
xyswitch() {}
xyswitch(int x, int y) { this->x = x; this->y = y; }
};
vector<xyswitch> xyswitches;
void make_switches(int m, int filler, int base_switch) {
int f1 = min(filler, (m + filler) / 2), f2 = filler - f1;
int s1 = ((m + filler) / 2) - f1, s2 = ((m + filler) / 2) - f2;
xyswitches.push_back(xyswitch());
int sn = xyswitches.size() - 1;
if (s1 == 0) { xyswitches[sn].x = -base_switch; }
else if (s1 == 1 && f1 == 0) {
xyswitches[sn].x = 0;
}
else {
xyswitches[sn].x = -((int)xyswitches.size() + 1);
make_switches(s1, f1, base_switch);
xyswitches[-(xyswitches[sn].x) - 1].par = -(sn + 1);
}
if (s2 == 1 && f2 == 0) {
xyswitches[sn].y = 0;
}
else {
xyswitches[sn].y = -((int)xyswitches.size() + 1);
make_switches(s2, f2, base_switch);
xyswitches[-(xyswitches[sn].y) - 1].par = -(sn + 1);
}
}
void connect(int val, int swid)
{
xyswitch & sw = xyswitches[-(swid)-1];
if (sw.gox)
{
sw.gox = !sw.gox;
if (sw.x == 0) { sw.x = val; }
else { connect(val, sw.x); }
}
else
{
sw.gox = !sw.gox;
if (sw.y == 0) { sw.y = val; }
else { connect(val, sw.y); }
}
}
void create_circuit(int M, std::vector<int> A) {
A.push_back(0);
int n = A.size();
vector<int> c(M+1,0);
int m = n, mxtwo = 1;
while (mxtwo < m) { mxtwo *= 2; }
make_switches(n, mxtwo - n, xyswitches.size() + 1);
for (int j = 0; j < n; j++) {
connect(A[j], -1);
}
vector<int> sums(xyswitches.size()); int sum = 0;
for (int i = xyswitches.size() - 1; i >= 0; i--) {
xyswitch & sw = xyswitches[i];
if (sw.x == sw.y) {
sw.active = false;
sum++;
if (sw.par != 0) {
xyswitch& swpar = xyswitches[-(sw.par) - 1];
if (swpar.x == -(i + 1)) { swpar.x = sw.x; }
if (swpar.y == -(i + 1)) { swpar.y = sw.y; }
}
}
sums[i] = sum;
}
for (int i = xyswitches.size() - 1; i >= 0; i--) {
xyswitch& sw = xyswitches[i];
if (sw.x < 0) {
int xid = -(sw.x) - 1;
int xdif = sum - sums[xid];
sw.x = -(xid - xdif) - 1;
}
if (sw.y < 0) {
int yid = -(sw.y) - 1;
int ydif = sum - sums[yid];
sw.y = -(yid - ydif) - 1;
}
}
for (int i = 0; i < M+1; i++) {
c[i] = -1;
}
int s = xyswitches.size();
vector<int> x, y;
x.reserve(s);
y.reserve(s);
c[0] = A[0];
for (int i = 0; i < s; i++) {
if (!xyswitches[i].active)continue;
x.push_back(xyswitches[i].x);
y.push_back(xyswitches[i].y);
}
answer(c, x, y);
}
Compilation message
doll.cpp:16:8: error: redefinition of 'struct xyswitch'
16 | struct xyswitch {
| ^~~~~~~~
doll.cpp:8:8: note: previous definition of 'struct xyswitch'
8 | struct xyswitch {
| ^~~~~~~~
