4fd800b3a8 2011-02-23 kinaba: #include <iostream> 4fd800b3a8 2011-02-23 kinaba: #include <sstream> 4fd800b3a8 2011-02-23 kinaba: #include <iomanip> 4fd800b3a8 2011-02-23 kinaba: #include <vector> 4fd800b3a8 2011-02-23 kinaba: #include <string> 4fd800b3a8 2011-02-23 kinaba: #include <map> 4fd800b3a8 2011-02-23 kinaba: #include <set> 4fd800b3a8 2011-02-23 kinaba: #include <algorithm> 4fd800b3a8 2011-02-23 kinaba: #include <numeric> 4fd800b3a8 2011-02-23 kinaba: #include <iterator> 4fd800b3a8 2011-02-23 kinaba: #include <functional> 4fd800b3a8 2011-02-23 kinaba: #include <complex> 4fd800b3a8 2011-02-23 kinaba: #include <queue> 4fd800b3a8 2011-02-23 kinaba: #include <stack> 4fd800b3a8 2011-02-23 kinaba: #include <cmath> 4fd800b3a8 2011-02-23 kinaba: #include <cassert> 4fd800b3a8 2011-02-23 kinaba: #include <cstring> 4fd800b3a8 2011-02-23 kinaba: using namespace std; 4fd800b3a8 2011-02-23 kinaba: typedef long long LL; 4fd800b3a8 2011-02-23 kinaba: typedef complex<double> CMP; 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: class ChickenOracle { public: 4fd800b3a8 2011-02-23 kinaba: string theTruth(int n, int eggCount, int lieCount, int liarCount) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: bool egg = canTruthTellerBe( eggCount, n, lieCount, liarCount ); 4fd800b3a8 2011-02-23 kinaba: bool chk = canTruthTellerBe( n-eggCount, n, lieCount, liarCount ); 4fd800b3a8 2011-02-23 kinaba: if( egg && chk ) return "Ambiguous"; 4fd800b3a8 2011-02-23 kinaba: if( egg ) return "The egg"; 4fd800b3a8 2011-02-23 kinaba: if( chk ) return "The chicken"; 4fd800b3a8 2011-02-23 kinaba: return "The oracle is a lie"; 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: bool canTruthTellerBe( int A, int n, int B, int C ) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: int two_x = A+B+C - n; 4fd800b3a8 2011-02-23 kinaba: if( (two_x&1) == 1 ) 4fd800b3a8 2011-02-23 kinaba: return false; 4fd800b3a8 2011-02-23 kinaba: int x = two_x/2; 4fd800b3a8 2011-02-23 kinaba: return 0<=x && x<=C && x<=B && (C-x)<=(n-B); 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: }; 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: // BEGIN CUT HERE 4fd800b3a8 2011-02-23 kinaba: #include <ctime> 4fd800b3a8 2011-02-23 kinaba: double start_time; string timer() 4fd800b3a8 2011-02-23 kinaba: { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); } 4fd800b3a8 2011-02-23 kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) 4fd800b3a8 2011-02-23 kinaba: { os << "{ "; 4fd800b3a8 2011-02-23 kinaba: for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it) 4fd800b3a8 2011-02-23 kinaba: os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; } 4fd800b3a8 2011-02-23 kinaba: void verify_case(const string& Expected, const string& Received) { 4fd800b3a8 2011-02-23 kinaba: bool ok = (Expected == Received); 4fd800b3a8 2011-02-23 kinaba: if(ok) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl; 4fd800b3a8 2011-02-23 kinaba: cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } } 4fd800b3a8 2011-02-23 kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock(); 4fd800b3a8 2011-02-23 kinaba: #define END verify_case(_, ChickenOracle().theTruth(n, eggCount, lieCount, liarCount));} 4fd800b3a8 2011-02-23 kinaba: int main(){ 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: CASE(0) 4fd800b3a8 2011-02-23 kinaba: int n = 10; 4fd800b3a8 2011-02-23 kinaba: int eggCount = 10; 4fd800b3a8 2011-02-23 kinaba: int lieCount = 0; 4fd800b3a8 2011-02-23 kinaba: int liarCount = 0; 4fd800b3a8 2011-02-23 kinaba: string _ = "The egg"; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(1) 4fd800b3a8 2011-02-23 kinaba: int n = 60; 4fd800b3a8 2011-02-23 kinaba: int eggCount = 40; 4fd800b3a8 2011-02-23 kinaba: int lieCount = 0; 4fd800b3a8 2011-02-23 kinaba: int liarCount = 30; 4fd800b3a8 2011-02-23 kinaba: string _ = "The oracle is a lie"; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(2) 4fd800b3a8 2011-02-23 kinaba: int n = 60; 4fd800b3a8 2011-02-23 kinaba: int eggCount = 20; 4fd800b3a8 2011-02-23 kinaba: int lieCount = 5; 4fd800b3a8 2011-02-23 kinaba: int liarCount = 25; 4fd800b3a8 2011-02-23 kinaba: string _ = "The chicken"; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(3) 4fd800b3a8 2011-02-23 kinaba: int n = 1000; 4fd800b3a8 2011-02-23 kinaba: int eggCount = 500; 4fd800b3a8 2011-02-23 kinaba: int lieCount = 250; 4fd800b3a8 2011-02-23 kinaba: int liarCount = 250; 4fd800b3a8 2011-02-23 kinaba: string _ = "Ambiguous"; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(4) 4fd800b3a8 2011-02-23 kinaba: int n = 338919; 4fd800b3a8 2011-02-23 kinaba: int eggCount = 310645; 4fd800b3a8 2011-02-23 kinaba: int lieCount = 70422; 4fd800b3a8 2011-02-23 kinaba: int liarCount = 304279; 4fd800b3a8 2011-02-23 kinaba: string _ = "The oracle is a lie"; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(5) 4fd800b3a8 2011-02-23 kinaba: int n = 1; 4fd800b3a8 2011-02-23 kinaba: int eggCount = 0; 4fd800b3a8 2011-02-23 kinaba: int lieCount = 0; 4fd800b3a8 2011-02-23 kinaba: int liarCount = 0; 4fd800b3a8 2011-02-23 kinaba: string _ = "The chicken"; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: // END CUT HERE