status sqlistmax(sqList L, elemtype &max){

if (L.length==0) return error; -------(1分)

max= L.elem[0]; -------(2分)

for(i=1;i<=L.length-1;i++) -------(3分)

if (L.elem[i]>max) max= L.elem[i]; -------(3分)

return ok; -------(1分)

}