結果
問題 | No.725 木は明らかに森である |
ユーザー | onakaT_Titai |
提出日時 | 2018-08-24 21:35:06 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,099 bytes |
コンパイル時間 | 1,122 ms |
コンパイル使用メモリ | 144,512 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-30 12:38:47 |
合計ジャッジ時間 | 1,742 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 1 ms
5,248 KB |
ソースコード
#include <iostream> #include <fstream> #include <string> #include <cstring> #include <cmath> #include <cstdlib> #include <ctime> #include <vector> #include <algorithm> #include <numeric> #include <map> #include <set> #include <stack> #include <queue> #include <deque> #include <functional> #include <cctype> #include <list> #include <limits> //#include <boost/multiprecision/cpp_int.hpp> #define BIT(a) (1 << (a)) #define EPS (1e-10) using namespace std; //using namespace boost::multiprecision; const long long MOD = 1000000007; const int COUNTER_CLOCKWISE = 1; const int CLOCKWISE = -1; const int ONLINE_BACK = 2; const int ONLINE_FRONT = -2; const int ON_SEGMENT = 0; class DisjointSet{ public: vector<int> rank, p; DisjointSet(){} DisjointSet(int size){ rank.resize(size, 0); p.resize(size, 0); for (int i = 0; i < size; i++) makeSet(i); } void makeSet(int x){ p[x] = x; rank[x] = 0; } bool same(int x, int y){ return findSet(x) == findSet(y); } void unite(int x, int y){ link(findSet(x), findSet(y)); } void link(int x, int y){ if (rank[x] > rank[y]){ p[y] = x; }else{ p[x] = y; if (rank[x] == rank[y]){ rank[y]++; } } } int findSet(int x){ if (x != p[x]){ p[x] = findSet(p[x]); } return p[x]; } }; class Point{ public: double x, y; Point(double x = 0, double y = 0): x(x), y(y) {} Point operator+(Point p){return Point(x + p.x, y + p.y);} Point operator-(Point p){return Point(x - p.x, y - p.y);} Point operator*(double a){return Point(a * x, a * y);} Point operator/(double a){return Point(x / a, y / a);} bool operator < (const Point &p) const { return y != p.y ? y < p.y : x < p.x; } double norm(){return x * x + y * y;} }; typedef Point Vector; typedef vector<Vector> Polygon; double cross(Vector a, Vector b){ return a.x*b.y - a.y*b.x; } double dot(Vector a, Vector b){ return a.x * b.x + a.y * b.y; } int ccw(Point p0, Point p1, Point p2){ Vector a = p1 - p0; Vector b = p2 - p0; if (cross(a, b) > EPS)return COUNTER_CLOCKWISE; if (cross(a, b) > -EPS)return CLOCKWISE; if (dot(a, b) < -EPS)return ONLINE_BACK; if (a.norm() < b.norm())return ONLINE_FRONT; return ON_SEGMENT; } Polygon andrewScan(Polygon s){ Polygon u, l; if (s.size() < 3) return s; sort(s.begin(), s.end()); u.push_back(s[0]); u.push_back(s[1]); l.push_back(s[s.size()-1]); l.push_back(s[s.size()-2]); for (size_t i = 2; i < s.size(); i++){ for (size_t n = u.size(); n >= 2 && ccw(u[n-2], u[n-1], s[i]) == COUNTER_CLOCKWISE; n--){ u.pop_back(); } u.push_back(s[i]); } for (int i = (int)s.size() - 3; i >= 0; i--){ for (size_t n = l.size(); n >= 2 && ccw(l[n-2], l[n-1], s[i]) == COUNTER_CLOCKWISE; n--){ l.pop_back(); } l.push_back(s[i]); } reverse(l.begin(), l.end()); for (size_t i = u.size() - 2; i >= 1; i--) l.push_back(u[i]); return l; } long long mod_pow(long long x, long long n){ long long res = 1; for(int i = 0;i < 60; i++){ if(n >> i & 1) res = res * x % MOD; x = x * x % MOD; } return res; } string S; string tmp; string tone = "treeone"; int main(){ cin >> S; int Slen = S.length(); for (int i = 0; i < Slen; i++){ if (S[i] == 't'){ int flag = 1; for (int j = i; j < i + 7; j++){ if (j == Slen || S[j] != tone[j-i]){ flag = 0; break; } } if (flag){ cout << "forest"; i += 6; continue; } } cout << S[i]; } cout << endl; return 0; }