94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
#include<iostream>
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#include<exception>
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#include<math.h>
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#include <string>
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#include <tuple>
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#include<vector>
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#include<algorithm>
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#include<functional>
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#define MY_ASSERT(BOOL_EXPR, MESSAGE) { \
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if (!BOOL_EXPR) \
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{ \
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std::cout << MESSAGE << '\n'; \
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std::cout << "File: " << __FILE__ << '\n'; \
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std::cout << "Line: " << __LINE__ << '\n'; \
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std::terminate(); \
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} \
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}
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#define POWER(RESULT, BASE, EXPONENT) \
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{ \
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RESULT = std::pow(BASE,EXPONENT); \
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}
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template<typename A, typename B, typename C>
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struct Triple
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{
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A first;
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B second;
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C third;
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Triple(A a, B b, C c) : first(a), second(b), third(c) {}
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friend std::ostream& operator<< (std::ostream& os, const Triple& t)
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{
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os << '(' << t.first <<", " << t.second << ", " << t.third << ')';
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return os;
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}
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};
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template<typename T>
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void bubble_sort(std::vector<T> &v, std::function<bool(T,T)> predicate)
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{
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bool has_swapped;
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size_t n = v.size();
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do
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{
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has_swapped = false;
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for(size_t i=0; i < n-1; ++i)
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{
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if(predicate(v[i],v[i+1]))
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{
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std::swap(v[i], v[i+1]);
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has_swapped = true;
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}
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}
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--n;
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}while(has_swapped);
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}
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template<typename A>
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A add(A a)
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{
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return a;
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}
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template<typename A, typename... Args>
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A add(A a, Args... args)
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{
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return a + add(args...);
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}
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int main()
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{
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MY_ASSERT(true, "hey :)");
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int i;
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POWER(i, 2, 3);
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std::cout << i << '\n';
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Triple<int, int, int> t(1,2,3);
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std::cout << t << '\n';
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std::vector<double> v = {10.0,9.0,8.0,7.0,6.0,5.0,4.0,1.0,3.0,2.0,1.1,1.2,1.1};
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std::for_each(v.begin(), v.end(), [](double i) { std::cout << i << '\t';});
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std::cout << '\n';
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bubble_sort<double>(v, [](const double a, const double b){return a>b;});
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std::for_each(v.begin(), v.end(), [](double i) { std::cout << i << '\t';});
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std::cout << '\n';
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int isum = add(1,2,3,4,5,6,7,8,9,10);
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std::cout << isum << '\n';
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std::string s1 = "Hello";
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std::string s2 = ", ";
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std::string s3 = "World";
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std::string s4 = "!";
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std::string ssum = add(s1,s2,s3,s4);
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std::cout << ssum << '\n';
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return 0;
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} |