Problem	factorial_easy
User	ZhangBowen
Submission Time	2026-02-20 11:19:49
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

factorial_easy.cpp: In function ‘int main()’:
factorial_easy.cpp:5:20: error: a function-definition is not allowed here before ‘{’ token
5 | ll mult(ll a,ll b){
| ^
factorial_easy.cpp:11:8: error: ‘mult’ was not declared in this scope
11 | prod=mult(prod, i );
| ^~~~