#include<iostream>
#include<cstdio>
#include<string>
#include<cmath>
#include<algorithm>
#include<map>
#include<vector>
#include<stack>
#include<iomanip>
#include<queue>
#include<set>
#include<functional>
#include<tuple>
#include<bitset>
#include<cassert>
#include<cstdint>
#include<complex>
#include<random>
#include<fstream>
#include <unordered_map>
#include <unordered_set>
using namespace std;
bool printb(bool f) {
if (f)printf("Yes\n");
else printf("No\n");
return f;
}
template<class T>
void prt(T t = "", string sep = "\n") { cout << t << sep; return; }
template<class T>
void printl(vector<T> a, string sep = " ") {
for (int i = 0; i < a.size(); i++) {
cout << a[i];
if (i != a.size() - 1)cout << sep;
}
cout << "\n";
return;
}
bool prt_isfixed = false;
template<class T>
void prt_fix(T t, string sep = "\n") {
if (!prt_isfixed) {
cout << fixed << setprecision(15);
prt_isfixed = true;
}
prt(t, sep);
}
#define all(a) a.begin(),a.end()
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#pragma GCC target "prefer-vector-width=512"
#pragma GCC optimize "Ofast"
#pragma GCC optimize("unroll-loops")
using uint = unsigned int;
using llong = long long;
using ullong = unsigned long long;
using pii = pair<int, int>;
using pll = pair<llong, llong>;
using pli = pair<llong, int>;
using pil = pair<int, llong>;
template<typename T> using vec2 = vector<vector<T>>;
template<typename T> inline bool chmin(T& a, T b) { return (a > b) ? (a = b, true) : false; }
template<typename T> inline bool chmax(T& a, T b) { return (a < b) ? (a = b, true) : false; }
bool bitIn(llong a, int b) { return ((a >> b) & 1); }
int bitCnt(llong a) {
int re = 0;
while (a > 0) {
if (a & 1)re++;
a >>= 1;
}
return re;
}
llong powL(llong n, llong i) {
llong re = 1;
while (i >= 1) {
if (i & 1) re *= n;
n *= n;
i >>= 1;
}
return re;
}
llong powL_M(llong n, llong i, llong mod) {
llong re = 1;
while (i >= 1) {
if (i & 1) {
re *= n;
re %= mod;
}
n *= n;
n %= mod;
i >>= 1;
}
return re;
}
llong cei(llong a, llong b) {
if (a % b == 0)return a / b;
else if (a < 0) {
return a / b;
}
else {
return a / b + 1;
}
}
llong flo(llong a, llong b) {
if (a % b == 0)return a / b;
else if (a < 0) {
return a / b - 1;
}
else {
return a / b;
}
}
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
int dx2[8] = { -1,-1,1,1,-1,-1,1,1 }, dy2[8] = { 1,-1,-1,1,1,-1,-1,1 };
int dx8[8] = { 0,1,1,1,0,-1,-1,-1 }, dy8[8] = { -1,-1,0,1,1,1,0,-1 };
#include "mars.h"
//size付きunionfind
class unionfind {
private:
vector<int> parents;
public:
unionfind(int n) {
parents.resize(n, -1);
}
void initU(int n) {
parents.assign(n, -1);
}
int findset(int n) {
if (parents[n] >= 0) {
parents[n] = findset(parents[n]);
return parents[n];
}
return n;
}
void unite(int x, int y) {
x = findset(x);
y = findset(y);
if (x == y) {
return;
}
if (parents[x] < parents[y]) swap(x, y);
//yの方がサイズが大きくなる
parents[y] += parents[x];
parents[x] = y;
}
bool same(int x, int y) {
return findset(x) == findset(y);
}
int size(int x) {
return -parents[findset(x)];
}
};
inline int f(int a, int b, int n) {
return a * (2 * n + 1) + b;
}
int solve(vector<vector<bool>> ma, int n) {
unionfind uf(powL(2 * n + 1, 2));
rep(i, 2 * n + 1) {
rep(j, 2 * n) {
if (ma[i][j] && ma[i][j + 1]) {
uf.unite(f(i, j, n), f(i, j + 1, n));
}
if (ma[j][i] && ma[j + 1][i]) {
uf.unite(f(j, i, n), f(j + 1, i, n));
}
}
}
set<int> s;
rep(i, powL(2 * n + 1, 2)) {
if (!ma[i / (2 * n + 1)][i % (2 * n + 1)])continue;
s.insert(uf.findset(i));
}
return int(s.size());
}
std::string process(std::vector <std::vector<std::string>> a, int x, int y, int k, int n) {
assert(n <= 8);
if (n == 1) {
vector<vector<bool>> ma(3, vector<bool>(3, false));
rep(ii, 3) {
rep(jj, 3) {
if (a[ii][jj][0] == '1') {
ma[ii][jj] = true;
}
}
}
int re = solve(ma, n);
string ans = "";
rep(ii, 10) {
if ((re >> ii) & 1)ans += '1';
else ans += '0';
}
rep(ii, 90)ans += '0';
return ans;
}
if (k == 0) {
int pos = 0;
if (x % 2 == 1)pos++;
if (y % 2 == 1)pos += 2;
string ans = "";
rep(i, 100)ans += '0';
rep(i, 3) {
rep(j, 3) {
if (100 * pos <= f(x + i, y + j, n) && f(x + i, y + j, n) < 100 * pos + 100) {
if (a[i][j][0] == '0')continue;
ans[f(x + i, y + j, n) - 100 * pos] = '1';
}
}
}
return ans;
}
string ans = "";
rep(i, 100)ans += '0';
rep(i, 2) {
rep(j, 2) {
rep(l, 100) {
if (a[2 * i][2 * j][l] == '1')ans[l] = '1';
}
}
}
if (k != n - 1) {
return ans;
}
a[0][0] = ans;
vector<vector<bool>> ma(2 * n + 1, vector<bool>(2 * n + 1, false));
rep(i, 2 * n + 1) {
rep(j, 2 * n + 1) {
int cn = f(i, j, n);
rep(l, 4) {
if (100 * l <= cn && cn < 100 * l + 100) {
if (a[l % 2][l / 2][cn - 100 * l] == '1') {
ma[i][j] = true;
}
}
}
}
}
rep(ii, 2)rep(jj, 2) {
prt(a[ii][jj]);
}
/*for (auto i : ma)printl(i);
int re = solve(ma, n);
prt(re);*/
ans = "";
rep(ii, 10) {
if ((re >> ii) & 1)ans += '1';
else ans += '0';
}
rep(ii, 90)ans += '0';
return ans;
}
/*
int main() {
int n;
cin >> n;
string sta = "";
rep(i, 100)sta += '0';
vec2<string> st(2 * n + 1, vector<string>(2 * n + 1, sta));
sta[0] = '1';
rep(i, 2 * n + 1) {
string s;
// cin >> s;
rep(j, 2 * n + 1) {
//if (s[j] == '1')
st[i][j] = sta;
}
}
rep(i, n) {
int m = 2 * (n - i - 1);
rep(ii, m + 1) {
rep(jj, m + 1) {
vector<vector<string>> a(3, vector<string>(3));
rep(l, 3)rep(o, 3)a[l][o] = st[ii + l][jj + o];
st[ii][jj] = process(a, ii, jj, i, n);
}
}
if (i==0) {
rep(ii, 2 * n + 1) {
rep(jj, 2 * n + 1) {
prt(st[ii][jj]);
}
prt("");
}
prt("");
prt("-------------------------------------------------");
prt("");
}
}
prt(st[0][0]);
}
//*/
Compilation message
mars.cpp: In function 'std::string process(std::vector<std::vector<std::__cxx11::basic_string<char> > >, int, int, int, int)':
mars.cpp:266:8: error: 're' was not declared in this scope; did you mean 'rep'?
266 | if ((re >> ii) & 1)ans += '1';
| ^~
| rep
