結果
問題 | No.737 PopCount |
ユーザー |
|
提出日時 | 2020-02-08 07:01:04 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 5 ms / 1,000 ms |
コード長 | 3,419 bytes |
コンパイル時間 | 1,207 ms |
コンパイル使用メモリ | 116,588 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-25 08:44:03 |
合計ジャッジ時間 | 1,773 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 15 |
ソースコード
#include <cstdio>#include <iostream>#include <string>#include <sstream>#include <stack>#include <algorithm>#include <cmath>#include <queue>#include <map>#include <set>#include <cstdlib>#include <bitset>#include <tuple>#include <assert.h>#include <deque>#include <bitset>#include <iomanip>#include <limits>#include <chrono>#include <random>#include <array>#include <unordered_map>#include <functional>#include <complex>template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }const long long MAX = 5100000;const long long INF = 1LL << 60;const long long mod = 1000000007LL;//const long long mod = 998244353LL;using namespace std;typedef unsigned long long ull;typedef long long ll;struct mint {ll x; // typedef long long ll;mint(ll x = 0) :x((x% mod + mod) % mod) {}mint& operator+=(const mint a) {if ((x += a.x) >= mod) x -= mod;return *this;}mint& operator-=(const mint a) {if ((x += mod - a.x) >= mod) x -= mod;return *this;}mint& operator*=(const mint a) {(x *= a.x) %= mod;return *this;}mint operator+(const mint a) const {mint res(*this);return res += a;}mint operator-(const mint a) const {mint res(*this);return res -= a;}mint operator*(const mint a) const {mint res(*this);return res *= a;}mint pow(ll t) const {if (!t) return 1;mint a = pow(t >> 1);a *= a;if (t & 1) a *= *this;return a;}// for prime modmint inv() const {return pow(mod - 2);}mint& operator/=(const mint a) {return (*this) *= a.inv();}mint operator/(const mint a) const {mint res(*this);return res /= a;}};ll N;mint dp1[62][2][61], dp2[62][2][61]; //dp1は個数、dp2が答えbool memo1[62][2][61], memo2[62][2][61];mint dfs1(ll cur, int f, int cnt) {if (cur < 0) {if (cnt == 0) return 1;else return 0;}if (memo1[cur][f][cnt]) return dp1[cur][f][cnt];mint res = 0;if (f) {if ((N >> cur) & 1LL) {if(cnt > 0) res += dfs1(cur - 1, f, cnt - 1);res += dfs1(cur - 1, 0, cnt);}else {res += dfs1(cur - 1, f, cnt);}}else {if(cnt > 0) res += dfs1(cur - 1, 0, cnt - 1);res += dfs1(cur - 1, 0, cnt);}memo1[cur][f][cnt] = true;return dp1[cur][f][cnt] = res;}mint dfs2(ll cur, int f, int cnt) {if (cur < 0) {return 0;}if (memo2[cur][f][cnt]) return dp2[cur][f][cnt];mint res = 0;if (f) {if ((N >> cur) & 1LL) {if(cnt > 0 )res += dfs2(cur - 1, f, cnt - 1) + mint((1LL << cur) % mod) * dfs1(cur - 1, f, cnt - 1);res += dfs2(cur - 1, 0, cnt);}else {res += dfs2(cur - 1, f, cnt);}}else{if(cnt > 0) res += dfs2(cur - 1, 0, cnt - 1) + mint((1LL << cur) % mod) * dfs1(cur - 1, f, cnt - 1);res += dfs2(cur - 1, f, cnt);}memo2[cur][f][cnt] = true;return dp2[cur][f][cnt] = res;}int main(){/*cin.tie(nullptr);ios::sync_with_stdio(false);*/scanf("%lld", &N);mint res = 0;for (ll cnt = 60; cnt >= 1; cnt--) {for (ll i = 0; i <= 60; i++)for (int j = 0; j < 2; j++)for (int k = 0; k <= 60; k++) {dp1[i][j][k] = 0;dp2[i][j][k] = 0;memo1[i][j][k] = false;memo2[i][j][k] = false;}dfs1(61, 1, cnt);res += dfs2(61, 1, cnt) * cnt;//cout << dfs2(61, 1, cnt).x << endl;//cout << res.x << endl;}cout << res.x << endl;return 0;}