結果
問題 | No.1530 Permutation and Popcount |
ユーザー |
|
提出日時 | 2021-06-04 22:22:43 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 335 ms / 2,000 ms |
コード長 | 5,478 bytes |
コンパイル時間 | 3,903 ms |
コンパイル使用メモリ | 183,676 KB |
最終ジャッジ日時 | 2025-01-22 01:47:02 |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 41 |
ソースコード
#include <atcoder/all>#include <bitset>#include <fstream>#include <functional>#include <iostream>#include <iomanip>#include <limits>#include <map>#include <math.h>#include <queue>#include <set>#include <sstream>#include <stack>#include <stdio.h>#include <stdlib.h>#include <unordered_map>#include <unordered_set>#include <vector>using namespace std;using namespace atcoder;typedef long long ll;typedef long double ld;typedef std::pair<int, int> pii;typedef std::pair<ll, ll> pll;typedef std::pair<ld, ld> pid;typedef std::pair<ll, std::string> pls;typedef std::vector<bool> vb;typedef std::vector<vb> vvb;typedef std::vector<int> vi;typedef std::vector<vi> vvi;typedef std::vector<vvi> vvvi;typedef std::vector<vvvi> vvvvi;typedef std::vector<ll> vl;typedef std::vector<vl> vvl;typedef std::vector<vvl> vvvl;typedef std::vector<vvvl> vvvvl;typedef std::vector<ld> vd;typedef std::vector<vd> vvd;typedef std::vector<std::string> vs;#define rep(i,n) for(auto i=0; i<n; ++i)#define repm(i,s,n) for(auto i=s; i<n; ++i)#define repd(i,n) for(auto i=n-1; i>=0; --i)#define repdm(i,e,n) for(auto i=n-1; i>=e; --i)#define all(a) (a).begin(), (a).end()#define rall(a) (a).rbegin(), (a).rend()template <class T> inline bool chmax(T& a, T b, int eq = 0) { if (a < b || (a == b && eq)) { a = b; return 1; } return 0; }template <class T> inline bool chmin(T& a, T b, int eq = 0) { if (a > b || (a == b && eq)) { a = b; return 1; } return 0; }template <class mint, internal::is_modint_t<mint>* = nullptr> constexpr istream& operator>>(istream& is, mint& x) noexcept {long long v = 0; std::cin>> v; x = v; return is;}template <class mint, internal::is_modint_t<mint>* = nullptr> constexpr ostream& operator<<(ostream& os, const mint& x) noexcept {os << x.val();return os;}inline void _n() { std::cout << std::endl; }template <class T> inline void _(const T a) { std::cout << a; }template <class T> inline void _l(const T a) { _(a); _n(); }template <class T> inline void _s(const T a) { _(a); _(' '); }template <class T> inline void _v(const std::vector<T> v) { for(auto a : v) _(a); }template <class T> inline void _vl(const std::vector<T> v) { for(auto a : v) _l(a); }template <class T> inline void _vs(const std::vector<T> v) { for(auto a : v) _s(a); _n(); }template <class T> inline void _vvl(const std::vector<std::vector<T>> v) { for(auto a : v) { _v(a); _n(); } }template <class T> inline void _vvs(const std::vector<std::vector<T>> v) { for(auto a : v) { _vs(a); } }inline void ynl(const bool b) {_l(b ? "yes" : "no");}inline void yns(const bool b) {_l(b ? "Yes" : "No");}inline void ynu(const bool b) {_l(b ? "YES" : "NO");}constexpr int INF = numeric_limits<int>::max() >> 1;constexpr long long INF_LL = numeric_limits<long long>::max() >> 1LL;const long long MOD1 = 1000000007;const long long MOD9 = 998244353;using mint1 = atcoder::modint1000000007;using mint9 = atcoder::modint998244353;//* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *//void input() {}void solve() {int N, M; cin >> N >> M;// repm(i, 1, 100) repm(j, 1, i*i+1) { N = i; M = j;int pct_all = 0;vvi pct_mat(N, vi(N));rep(i, N) rep(j, N) {int tmp = (i+1) * (j+1);int pct = (int)bitset<32>(tmp).count();pct_mat[i][j] = 1 - (pct % 2);pct_all += pct_mat[i][j];}// _vvs(pct_mat);// _l(pct_all);vi cnt(N);rep(i, N) rep(j, N) {cnt[i] += 2 * pct_mat[i][j];}// _vs(cnt);int fy = pct_all - M;// _l(fy);vvi dp(N+1, vi(N*N + 1));vvi prev(N+1, vi(N*N + 1));dp[0][0] = 1;rep(i, N) {rep(j, N*N + 1) {dp[i+1][j] |= dp[i][j];prev[i+1][j] = prev[i][j];if(j >= cnt[i]) {int flg = dp[i+1][j] == 0;dp[i+1][j] |= dp[i][j - cnt[i]];if(flg && dp[i+1][j]) {prev[i+1][j] = i+1;}}}}// _l(prev[N][fy]);//_vvs(dp);//_vvs(prev);if(fy >= 0 && dp[N][fy]) {int tmp_c = N;int tmp_s = fy;vi ans_y;while(tmp_s > 0) {ans_y.push_back(prev[tmp_c][tmp_s]);tmp_c = prev[tmp_c][tmp_s];tmp_s -= cnt[tmp_c-1];}sort(all(ans_y));vi ans_x;rep(i, N) {if(find(all(ans_y), i+1) == ans_y.end()) {ans_x.push_back(i+1);}}int tx = 0;rep(i, ans_x.size()) {rep(j, ans_x.size()) {tx += pct_mat[ans_x[i]-1][ans_x[j]-1];}}int ty = 0;rep(i, ans_y.size()) {rep(j, ans_y.size()) {ty += pct_mat[ans_y[i]-1][ans_y[j]-1];}}if(tx - ty == M) {_s(ans_x.size()); _l(ans_y.size());_vs(ans_x);_vs(ans_y);} else {_l(-1);}} else {_l(-1);}// }}//* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *//int main() {std::ifstream in("input.txt");std::cin.rdbuf(in.rdbuf());std::cin.tie(0);std::ios::sync_with_stdio(false);input();solve();return 0;}