// Created by: Vinay_GB // Date: 23-01-2020 /*----------*/ // This program will find largest and smallest elements of a vector // in 4 diffrent ways. /*----------*/ #include // std::cout<< #include // std::min_element, std::max_element, std::all_of #include // std::vector #include // time() #include // rand(), srand() using namespace std; int randnums(){return (rand()%101+1);} // Global variable declaration vectormin_max; // 1) Finds min & max element using built-in function. void min_n_max_using_fun(vectorv){ min_max.push_back(*max_element(v.begin(), v.end())); min_max.push_back(*min_element(v.begin(), v.end())); } // 2) Finds min & max element using all_of() built-in function void min_n_max_using_allof(vectorv){ for(int i : v){ if(all_of(v.begin(), v.end(), [i](int m){return m <= i;})){ min_max.push_back(i); break; } } for(int i : v){ if(all_of(v.begin(), v.end(), [i](int n){return n >= i;})){ min_max.push_back(i); break; } } } // 3) Finds min & max element using for loop. void min_n_max_using_for(vectorv){ min_max.clear(); int count = 0; int len = v.size(); for(unsigned int i = 0; i < v.size(); i++){ count = 0; for(unsigned int j = 0; j < v.size(); j++){ if(v[i] >= v[j]){ count++; } } if(count==len){min_max.push_back(v[i]);break;} } for(unsigned int i = 0; i < v.size(); i++){ count = 0; for(unsigned int j = 0; j < v.size(); j++){ if(v[i] <= v[j]){ count++; } } if(count==len){min_max.push_back(v[i]);break;} } } // 4) Finds min & max element using iterator. void min_n_max_using_iterator(vectorv){ int len = v.size(); int count = 0; for(auto it=v.begin(); it!=v.end();){ count = 0; for(int i : v){ if (*it >= i) count++; } if(count == len){min_max.push_back(*it); break;} it++; } for (auto it = v.begin(); it != v.end(); ) { count = 0; for(int i : v){ if(*it<=i) count++; } if(count == len){min_max.push_back(*it); break;} it++; } } void print(int i){ cout<v){ for(auto i : v) cout<v(10); generate(v.begin(), v.end(), randnums); cout<<"Vector elements:\n"; print(v); for(int i = 1; i <= 4; i++){ switch(i){ case 1: min_n_max_using_fun(v); print(i); break; case 2: min_n_max_using_allof(v); print(i); break; case 3: min_n_max_using_for(v); print(i); break; case 4: min_n_max_using_iterator(v); print(i); break; default: cout<<"end"; /* I will implement still more logics if I learnt new ideas.. ;) */ } } return 0; }

4 ways to find min&max elements