include<stdio.h> include<math.h> int judge(int i,int n,int *v,int sum1,int sum2) { if(i==n) return abs(sum1)==sum2?1:0; else return judge(i+1,n,v,sum1+v[i],sum2)||judge(i+1,n,v,sum1-v[i],sum2);} int main(){ int num; while(scanf("%d",&num) != EOF...