Factorial

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Write a program to find the sum of the Factorial of $N$ of all natural numbers from $1$ to $N$. ### Input - Accept an Integer $N$. ### Output - Print the sum. ### Constraints - $1 \leq N \leq 100$ ### Subtasks - **Subtask 1 (10 points):** $1 \leq M \leq 10$ - **Subtask 2 (20 points):** The sum of $N$ across all test cases won't exceed $20$. - **Subtask 3 (70 points):** No further constraints.

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solution.cppC++17

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