結果
問題 | No.87 Advent Calendar Problem |
ユーザー | anta |
提出日時 | 2015-09-26 19:32:33 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 4,493 bytes |
コンパイル時間 | 554 ms |
コンパイル使用メモリ | 82,608 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-19 10:43:01 |
合計ジャッジ時間 | 1,503 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 1 ms
5,376 KB |
ソースコード
#include <string> #include <vector> #include <algorithm> #include <numeric> #include <set> #include <map> #include <queue> #include <iostream> #include <sstream> #include <cstdio> #include <cmath> #include <ctime> #include <cstring> #include <cctype> #include <cassert> #include <limits> #include <functional> #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) #if defined(_MSC_VER) || __cplusplus > 199711L #define aut(r,v) auto r = (v) #else #define aut(r,v) __typeof(v) r = (v) #endif #define each(it,o) for(aut(it, (o).begin()); it != (o).end(); ++ it) #define all(o) (o).begin(), (o).end() #define pb(x) push_back(x) #define mp(x,y) make_pair((x),(y)) #define mset(m,v) memset(m,v,sizeof(m)) #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL using namespace std; typedef vector<int> vi; typedef pair<int,int> pii; typedef vector<pair<int,int> > vpii; typedef long long ll; template<typename T, typename U> inline void amin(T &x, U y) { if(y < x) x = y; } template<typename T, typename U> inline void amax(T &x, U y) { if(x < y) x = y; } struct Date { typedef long long Integer; Integer offset; static const int days[12], dayscumsum[13], dayscumsuml[13]; struct YMD { Integer Y; int M, D; YMD(Integer Y_, int M_, int D_): Y(Y_), M(M_), D(D_) { } }; Date(): offset(0) { } explicit Date(Integer offset_): offset(offset_) { } Date(Integer Y, int M, int D): offset(toOffset(Y, M, D)) { } static bool isLeapYear(Integer Y) { return Y % 4 == 0 && (Y % 100 != 0 || Y % 400 == 0); } static int getDays(Integer Y, int M) { return days[M-1] + (M == 2 && isLeapYear(Y)); } static Integer toOffset(Integer y, int m, int d) { if(m <= 2) y --, m += 12; return y*365 + div(y,4) - div(y,100) + div(y,400) + 153*(m+1)/5 + d - 428; } void getYearMonthDay(Integer &Y, int &M, int &D) const { Integer a = offset - 1, quadcent = div(a, 146097); Integer b = a - quadcent * 146097, cent = min(b / 36524, Integer(3)); Integer c = b - cent * 36524, quad = c / 1461; Integer d = c - quad * 1461, y = min(d / 365, Integer(3)); Y = quadcent * 400 + cent * 100 + quad * 4 + y + 1; int yd = (int)(d - y * 365 + 1); fromOrdinalDate(Y, yd, M, D); } static void fromOrdinalDate(const Integer &Y, int yd, int &M, int &D) { const int *cumsum = isLeapYear(Y) ? dayscumsuml : dayscumsum; M = upper_bound(cumsum, cumsum+13, yd - 1) - cumsum; D = yd - cumsum[M-1]; } Integer getYear() const { Integer Y; int M, D; getYearMonthDay(Y, M, D); return Y; } int getMonth() const { Integer Y; int M, D; getYearMonthDay(Y, M, D); return M; } int getDay() const { Integer Y; int M, D; getYearMonthDay(Y, M, D); return D; } int getDayOfWeek() const { return offset % 7; } Date operator+(Integer that) const { return Date(offset + that); } Date &operator+=(Integer that) { offset += that; return *this; } Integer operator-(const Date &that) const { return offset - that.offset; } bool operator==(const Date &that) const { return offset == that.offset; } bool operator!=(const Date &that) const { return offset != that.offset; } bool operator< (const Date &that) const { return offset < that.offset; } bool operator> (const Date &that) const { return offset > that.offset; } bool operator<=(const Date &that) const { return offset <= that.offset; } bool operator>=(const Date &that) const { return offset >= that.offset; } friend ostream &operator<<(ostream &o, const Date &that) { Date::Integer Y; int M, D; that.getYearMonthDay(Y, M, D); return o << Y << "/" << M << "/" << D; } private: static inline Integer div(Integer x, int y) { return x / y - (x % y != 0 && x < 0); }; }; const int Date::days[12] = {31,28,31,30,31,30,31,31,30,31,30,31}; const int Date::dayscumsum[13] = {0,31,59,90,120,151,181,212,243,273,304,334,365}; const int Date::dayscumsuml[13] = {0,31,60,91,121,152,182,213,244,274,305,335,366}; int main() { Date d1(2014, 7, 23); const int Y = 2015; long long N; cin >> N; N = N + 1 - Y; const int Cycle = 400 * 7; long long cycles = N / Cycle; int cyclenum = 0; for(long long i = Y; i < Y + Cycle; ++ i) cyclenum += Date(i, d1.getMonth(), d1.getDay()).getDayOfWeek() == d1.getDayOfWeek(); long long ans = cycles * cyclenum; for(long long i = Y + Cycle * cycles; i < Y + N; ++ i) { ans += Date(i, d1.getMonth(), d1.getDay()).getDayOfWeek() == d1.getDayOfWeek(); } cout << ans << endl; return 0; }