fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define sd(x) scanf("%lld",&x)
  4. int main() {
  5. 	unsigned long long i,temp2,t,n,a,temp,sum;
  6. 	// your code here
  7.     sd(t);
  8.     while(t--)
  9.          {
  10.           sd(n);
  11.           sum=0;
  12.           temp=0;
  13.  
  14.           for(i=0;i<n;i++)
  15.               {
  16.                sd(a);
  17.  
  18.                if(i==0)
  19.                   sum=a;
  20.                else if(i==1)
  21.                   {
  22.                   	temp2=sum;
  23.                   	sum=max(a,sum);
  24.                   	temp=temp2;
  25.                   }
  26.                else
  27.                   {
  28.                    temp2=sum;
  29.                    sum=max(temp+a,sum);
  30.                    temp=temp2;
  31.                   }
  32.               }
  33.           printf("%lld\n",sum);
  34.  
  35.          }
  36.  
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
copy 
2
5
1 2 3 4 5
1
10
stdout
copy 
9
10
https://ideone.com/r9R1VT
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!