#include #include #include #include using namespace std; string str = "([10, 20], (30, 40))"; float operation(string s, char c) { float sum = 0.0; std::vector out; size_t start, end = 0; const char delim = ','; string val[2]; while ((start = s.find_first_not_of(delim, end)) != std::string::npos) { end = s.find(delim, start); out.push_back(s.substr(start, end - start)); } int i = 0; for (auto &s : out) val[i++] = s; if (c == ']') { for (size_t i = 0; i < sizeof(val) / sizeof(*val); i++) sum += ((1.0/atof(val[i].c_str()))); return (1.0 / sum); } if (c == ')') { for (size_t i = 0; i < sizeof(val) / sizeof(*val); i++) sum +=((atof(val[i].c_str()))); return (sum/1.0); } } void SplitString(string s, int start, int end, char ch) { string splitStr = s.substr(start+1, end-start-1); string tempStr = to_string((operation(splitStr, ch))); str.replace(start, end, tempStr); cout << operation(splitStr, ch) << endl; } int findIndex(string s, char ch, int index) { size_t found = s.find(ch); if (found != string::npos) index = found; while ((int)found < s.length() - 1) { found = s.find(ch, found + 1); if (found != string::npos) index = found; } return index; } void innermost(string s) { char sbracket[] = { '[', '(' }, ebracket[] = { ']', ')' }; int sindex[2], eindex[2]; cout << s << endl; for (size_t i = 0; i < sizeof(sbracket)/sizeof(*sbracket); i++) sindex[i] = findIndex(s, sbracket[i], sindex[i]); if (sindex[0] > sindex[1]) { eindex[0] = findIndex(s, ebracket[0], eindex[0]); SplitString(s, sindex[0], eindex[0], ebracket[0]); } else { eindex[1] = findIndex(s, ebracket[1], eindex[1]); SplitString(s, sindex[1], eindex[1], ebracket[1]); } } int main() { for (int i = 0; i < str.length(); i++) if (str.substr(i, 1) == " ") str.erase(i, 1); for (size_t i = 0; i < str.length(); i++) while(str[i]=='[' || str[i] =='(' || str[i] == ']' || str[i] ==')') innermost(str); system("pause"); }

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