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 LostParentheses { public: 4fd800b3a8 2011-02-23 kinaba: int minResult(string e) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: int sum = 0; 4fd800b3a8 2011-02-23 kinaba: bool prevOpPlus = true; 4fd800b3a8 2011-02-23 kinaba: bool minusFound = false; 4fd800b3a8 2011-02-23 kinaba: for(int p=0,i=0; i<=e.size(); ++i) 4fd800b3a8 2011-02-23 kinaba: if( i==e.size() || e[i] == '-' ) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: stringstream ss; 4fd800b3a8 2011-02-23 kinaba: ss << e.substr(p, i-p); 4fd800b3a8 2011-02-23 kinaba: int num; 4fd800b3a8 2011-02-23 kinaba: ss >> num; 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: sum += (prevOpPlus ? +num : -num); 4fd800b3a8 2011-02-23 kinaba: p = i+1; 4fd800b3a8 2011-02-23 kinaba: minusFound = true; 4fd800b3a8 2011-02-23 kinaba: prevOpPlus = false; 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: else if( e[i] == '+' ) 4fd800b3a8 2011-02-23 kinaba: { 4fd800b3a8 2011-02-23 kinaba: stringstream ss; 4fd800b3a8 2011-02-23 kinaba: ss << e.substr(p, i-p); 4fd800b3a8 2011-02-23 kinaba: int num; 4fd800b3a8 2011-02-23 kinaba: ss >> num; 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: sum += (prevOpPlus ? +num : -num); 4fd800b3a8 2011-02-23 kinaba: p = i+1; 4fd800b3a8 2011-02-23 kinaba: prevOpPlus = !minusFound; 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: return sum; 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 int& Expected, const int& 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(_, LostParentheses().minResult(e));} 4fd800b3a8 2011-02-23 kinaba: int main(){ 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: CASE(0) 4fd800b3a8 2011-02-23 kinaba: string e = "55-50+40"; 4fd800b3a8 2011-02-23 kinaba: int _ = -35; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(1) 4fd800b3a8 2011-02-23 kinaba: string e = "10+20+30+40"; 4fd800b3a8 2011-02-23 kinaba: int _ = 100; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(2) 4fd800b3a8 2011-02-23 kinaba: string e = "00009-00009"; 4fd800b3a8 2011-02-23 kinaba: int _ = 0; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(3) 4fd800b3a8 2011-02-23 kinaba: string e = "1"; 4fd800b3a8 2011-02-23 kinaba: int _ = 1; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: CASE(4) 4fd800b3a8 2011-02-23 kinaba: string e = "1-2+3"; 4fd800b3a8 2011-02-23 kinaba: int _ = -4; 4fd800b3a8 2011-02-23 kinaba: END 4fd800b3a8 2011-02-23 kinaba: 4fd800b3a8 2011-02-23 kinaba: } 4fd800b3a8 2011-02-23 kinaba: // END CUT HERE