#include <stdio.h>
int main(void) {
int i,j,k,n,count;
int a[] = {1,2,5,10};
n=sizeof(a)/sizeof(a[0]);
for(i=0;i<n;i++){
count=0;
for(j=i+1;j<n;j++){
count=count+a[j];
}
a[i]=count;
}
for(i=0;i<n;i++){
}
return 0;
}
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