Consider the following code int main() {cout<<“welcome to C++”; } After you compile this program there is an error called prototype error. Why it is happened? Explain.

Consider the following code int main() {cout<<“welcome to C++”;�

1.	Consider the following code int main() {cout<<“welcome to C++”; } After you compile this program there is an error called prototype error. Why it is happened? Explain.
Answer» Here we used the output operator cout <<. It is used to display a message “welcome to C++” to use this operator the corresponding header file <iostream> must be included. We didn’t included the header file hence the error.

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Consider the following code int main() {cout&lt;&lt;“welcome to C++”; } After you compile this program there is an error called prototype error. Why it is happened? Explain.

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Consider the following code int main() {cout<<“welcome to C++”; } After you compile this program there is an error called prototype error. Why it is happened? Explain.