Artifact Content
Not logged in

Artifact 03422e036f8b28bb1d26f7084b6030ba8b1424a5


#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <functional>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
#include <cassert>
#include <tuple>
using namespace std;
typedef long long LL;
typedef complex<double> CMP;

class SubstringReversal { public:
	vector <int> solve(string S)
	{
		multiset<char> chars;
		for(char c: S) chars.insert(c);

		string T = S;
		for(int i=0; i<S.size(); ++i) {
			if(S[i] == *chars.begin()) {
				chars.erase(chars.begin());
				continue;
			}

			// here is the point.
			int best_k = i;
			string best = S.substr(i);
			for(int k=i+1; k<S.size(); ++k) {
				string T(S.begin()+i, S.begin()+k+1);
				reverse(T.begin(), T.end());
				T += S.substr(k+1);
				if(best > T)
					best=T, best_k=k;
			}
			vector<int> ans;
			ans.push_back(i);
			ans.push_back(best_k);
			return ans;
		}

		// no need to reverse
		vector<int> ans;
		ans.push_back(0);
		ans.push_back(0);
		return ans;
	}
};

// BEGIN CUT HERE
#include <ctime>
double start_time; string timer()
 { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
 { os << "{ ";
   for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
   os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
void verify_case(const vector <int>& Expected, const vector <int>& Received) {
 bool ok = (Expected == Received);
 if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
 cerr << "\to: " << Expected << endl << "\tx: " << Received << endl; } }
#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
#define END	 verify_case(_, SubstringReversal().solve(S));}
int main(){

CASE(0)
	string S = "abdc"; 
	int __[] = {2, 3 };
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
CASE(1)
	string S = "aabbcc"; 
	int __[] = {0, 0 };
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
CASE(2)
	string S = "misof"; 
	int __[] = {0, 4 };
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
CASE(3)
	string S = "ivan"; 
	int __[] = {0, 2 };
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
CASE(4)
	string S = "thisseemstobeaneasyproblem"; 
	int __[] = {0, 13 };
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
/*
CASE(5)
	string S = ; 
	int __[] = ;
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
CASE(6)
	string S = ; 
	int __[] = ;
	  vector <int> _(__, __+sizeof(__)/sizeof(*__)); 
END
*/
}
// END CUT HERE