View Code of Problem 3695

#include<stdio.h>
#include<stdlib.h>
int main()
{
	int T,n,;
	scanf("%d",&T);
	while(T--){
		scanf("%d",&n);
		long long a[n],sum=0;
		a[0]=1;
		a[1]=2;
		for(int j=2;j<n;j++){
			a[j]=a[j-1]+a[j-2];
		}
		for(j=0;j<n;j++){
			sum+=a[j];
		}
		printf("%lld\n",sum);
	}
}
/*
Main.c: In function 'main':
Main.c:5:10: error: expected identifier or '(' before ';' token
  int T,n,;
          ^
Main.c:15:7: error: 'j' undeclared (first use in this function)
   for(j=0;j<n;j++){
       ^
Main.c:15:7: note: each undeclared identifier is reported only once for each function it appears in
*/