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delta
#include <iostream> #include <cmath> int main(){ std::cin.exceptions(std::cin.exceptions()|std::ios::eofbit); try { for(;;){ double a, b, c; std::cin >> a >> b >> c; double delta=b*b-4*a*c; if(a==0) std::cout << "a can't be equal to 0."; else{ if(delta<0) std::cout << "No solutions."; else if(delta==0) std::cout << (-b)/(2*a); else{ //delta>0 double sqrt_delta=sqrt(delta); std::cout << ((-b-sqrt_delta) / (2*a)) << ' ' << ((-b+sqrt_delta) / (2*a)); } } std::cout << '\n'; } } catch (std::ios_base::failure) {} }
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Equilateral triangle
isBST
Test
semiprog.cpp
2
derivative
better o/p of factor problem
no copy elision
Test 4(2017)
codechef
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