Question Completion Status: What is output by the following code segment? void func1 (int&, int&); void func2(int&, int&, int&); void func3(int, int, int); void func4(int&, int, int); void func5(int& a, int b, int c); int main() " 11 = { int x = " " cout < < x < < 0, y = 0, z = 0; < < y < < func1(x, y); cout < < x < < " " < < y < < < < z < < endl; " < < z < < endl; cout < < x < < func2(x, y, z); cout < < x < < " " < < y < < func3(x, y, z); func4(x, y, z); = " " < < z < < endl; " < < y < < < < z < < endl; cout < < x < < < < y < < " " < < z < < endl; func5(x, y, z); cout < < x < < " < < y < < < < z < < endl; return 0; } Evoid func1 (int& a, int& b) { a = 5; b = 6; cout < < "a is " < < a < < " b is " < < b < < endl; } evoid func2(int& a, int& b, int& c) S } cout < < x < < func2(x, y, z); cout < < x < < func3(x, y, z); cout < < x < < func4(x, y, z); cout < < x < < func5(x, y, z); 11 " "1 " " 11 < < y < < < < z < < endl; < < y < < " " < < z < < endl; < < z < < endl; " 11 < < y < < < < y < < " " < < z < < endl; cout < < x < < < < y < < " " < < z < < endl; return 0; Evoid func1 (int& a, int& b) { a = 5; b = 6; cout < < "a is " < < a < < "b is " < < b < < endl; } avoid func2(int& a, int& b, int& c) { b++; C--; a = b + c;