86 lines
1.5 KiB
C++
86 lines
1.5 KiB
C++
#include <iostream>
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#include <list>
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#include <algorithm>
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#include <map>
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#include <iomanip>
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using string = std::string;
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using ilist = std::list<int>;
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//Place in header!
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template <typename T>
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void printm(T m){
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std::cout << m;
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}
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template <typename T>
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void printlm(T m){
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printm(m);
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printm("\n");
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}
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int prompti(string,bool*);
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int prompti(string,bool*);
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string prompts(string,bool*);
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bool isneg(int);
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int main() {
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printlm("Get the number of negatives from::");
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bool s {};
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ilist lst {};
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do {
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auto v = prompti("Enter an integer: ", &s);
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if (s) {
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lst.push_back(v);
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}
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} while (s);
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printm("Number of negatives (Defined): ");
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printlm(count_if(lst.cbegin(), lst.cend(), isneg));
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printm("Number of negatives (Lambda): ");
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printlm(count_if(lst.cbegin(), lst.cend(), [] (int x) { return x < 0;}));
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return 0;
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}
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int prompti(string message, bool *status) {
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int tr {};
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*status = false;
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std::cout << message;
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if (!(std::cin >> tr)){
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std::cin.clear();
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std::cin.ignore();
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return 0;
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}
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*status = true;
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return tr;
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}
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double promptd(string message, bool *status) {
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double tr {};
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*status = false;
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std::cout << message;
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if (!(std::cin >> tr)){
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std::cin.clear();
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std::cin.ignore();
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return 0.0;
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}
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*status = true;
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return tr;
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}
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string prompts(string message, bool *status) {
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string tr {""};
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*status = false;
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std::cout << message;
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if (!(std::cin >> tr)){
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std::cin.clear();
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std::cin.ignore();
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return "";
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}
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*status = true;
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return tr;
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}
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bool isneg(int x) {
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return x < 0;
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}
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