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Copy pathtape_equilibrium.java
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64 lines (57 loc) · 1.4 KB
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package codility_tape_equilibrium;
public class tape_equilibrium {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[] A={3, 1, 2, 4 ,3};
System.out.println(solution2(A));
}
public static int solution2(int[] A)
{
long derecha=0;
long izquierda=0;
long valorabsoluto;
for(int i=1;i<A.length;i++)
{
izquierda+=A[i];
}
derecha=A[0];
valorabsoluto=Math.abs(izquierda-derecha);
for(int i=1;i<A.length;i++)
{
if(Math.abs(izquierda-derecha)<valorabsoluto)
{
valorabsoluto=Math.abs(izquierda-derecha);
}
derecha+=A[i];
izquierda-=A[i];
}
return (int)valorabsoluto;
}
/*public static int solution(int[] A) {
long sumright = 0;
long sumleft = 0;
long ans;
for (int i =1;i<A.length;i++)
{
sumright += A[i];
}
sumleft = A[0];
ans =Math.abs( sumleft - sumright );
System.out.println("sumright:"+sumright);
System.out.println("sumleft:"+sumleft);
System.out.println("ans:"+ans);
for (int P=1; P<A.length; P++)
{
if (Math.abs( sumleft - sumright ) < ans)
{
ans = Math.abs( sumleft - sumright );
System.out.println("ans en for: i="+P+"ans:"+ans);
}
sumleft += A[P];
sumright -=A[P];
System.out.println("sumleft:"+sumleft);
System.out.println("sumright:"+sumright);
}
return (int) ans;
}*/
}