编辑代码

local n
n=io.input():read()
for i=0,n-1 do
X[i]=io.input():read()
end
for i=0,n-1 do
for j=1,n-i do
if(X[j]>X[j+1])then
temp=X[j]
X[j]=X[j+1]
X[j+1]=temp
end
end
end
for j=1,n do
sum=X[j]+X[j+1]
X[j+1]=X[j]+X[j+1]
end
print(sum)