What will be the output of the following program in C ?
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What will be the output of the following program in C ?
#include<stdio.h>
int main(int argc, char const *argv[])
{
printf("%d\n", (int)sizeof('a'));
return 0;
}
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Solved in 2 steps
- What will be the output of the following program in C++? #include<stdio.h> int main(int argc, char const *argv[]) { char a = 'a'; printf("%d\n", (int)sizeof(a)); return 0; }What will be the output of the following program in C++? #include<iostream> using namespace std; int x = 1; int main() { int x = 2; { int x = 3; cout << ::x << endl; } return 0; }What will be the output of the following program in C++? #include<iostream>using namespace std;int x = 1;int main(){int x = 2;{int x = 3;cout << ::x << endl;}return 0;}
- a) What is the risk of using strcpy() in C given the code below? void f1(char *str2) { int y; char str1[10]; strcpy(str1, str2);Write output of the following c++ code by completing it with explanation of all iterations Need explanation of code line by line how it will execute. Code #include <iostream> Using namespace std; int fun1(int); int fun(float); int fun1(int n){ if(n<=1) return 1; else return n*fun(n-1); } int fun(float n){ if(n<=1) return 1; else return n*fun(n-1); } int main(){ int n=5; cout<<fun1(n); cout<<fun(4.3); return 0; }What is the output of the following C++ code? #include<iostream> using namespace std; class X { int m; public: X() : m(10) { } X(int mm): m(mm) { } int getm() { return m; } }; class Y : public X { int n; public: Y(int nn) : n(nn) {} int getn() { return n; } }; int main() { Y yobj( 100 ); cout << yobj.getm() << " " << yobj.getn() << endl; }
- Write the output of the following C++ code? #include <iostream> #include <string> using namespace std; class A { mutable int a; public: int assign(int i) const { a = i; } int return_value() const { return a; } }; int main(int argc, char const *argv[]) { A obj; obj.assign(5); cout<<obj.return_value(); }Please read the question to the very end. Below is an example of a code that we need to reprogram in C++ #include <iostream>const char* filename = "Humans.dat";struct Human {char name[20];int phone;};void my_scanf(Human *s, unsigned short int n) {printf("Enter name %hu >", n+1); scanf("%25s", s->name);printf("Enter phone >"); scanf("%i", &s->phone);}void my_printf(Human *s, unsigned short int n) {for (unsigned short int i = 0; i < n; i++)printf("%i. Name: %s, phone: %i\n", i+1, s[i].name, s[i].phone);}void read_from_user_and_save_to_file() {unsigned short int m; printf("Enter count of Humans >"); scanf("%hu", &m);Human* AllHumans = new Human[m];for (unsigned short int i = 0; i < m; i++) my_scanf(&AllHumans[i], i);my_printf(AllHumans, m);FILE * fp = fopen(filename, "wb");fwrite(AllHumans, sizeof(Human), m, fp); fclose(fp);}void read_from_file_and_show_to_user() {FILE * fp = fopen(filename, "rb");fseek(fp, 0, SEEK_END);unsigned int fsize =…What does the following C++ program print? Why? #include <iostream> using namespace std; int a=480, b=380, c=42; void f(int x, int &y, int *z) { ++x; ++y; ++*z; } int main() { cout <<"a="<<a <<" b="<<b <<" c="<<c <<endl; f(a,b,&c); cout <<"a="<<a <<" b="<<b <<" c="<<c <<endl; }
- What will be the output of the following C++ code? #include <iostream>using namespace std;int main(){float num1 = 1.1;double num2 = 1.1;if (num1 == num2)cout << "stanford";elsecout << "harvard";return 0;} a) harvardb) stanfordc) compile time errord) runtime errorWrite in c++. Answer the following question?What happens if the statement free(a) is removed in the following C code? int *a; a=(int*)malloc(sizeof(int)); *a=100; printf("*a%d",*a); free(a); Question 4 options: Error Memory Leak Dangling Pointers Segmentation Fault