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Top rank per group: Difference between revisions
add JavaScript
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|1026 |CD |Janszen H.P. |41000 |
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=={{header|JavaScript}}==
<lang javascript>var data = [
{name: "Tyler Bennett", id: "E10297", salary: 32000, dept: "D101"},
{name: "John Rappl", id: "E21437", salary: 47000, dept: "D050"},
{name: "George Woltman", id: "E00127", salary: 53500, dept: "D101"},
{name: "Adam Smith", id: "E63535", salary: 18000, dept: "D202"},
{name: "Claire Buckman", id: "E39876", salary: 27800, dept: "D202"},
{name: "David McClellan", id: "E04242", salary: 41500, dept: "D101"},
{name: "Rich Holcomb", id: "E01234", salary: 49500, dept: "D202"},
{name: "Nathan Adams", id: "E41298", salary: 21900, dept: "D050"},
{name: "Richard Potter", id: "E43128", salary: 15900, dept: "D101"},
{name: "David Motsinger", id: "E27002", salary: 19250, dept: "D202"},
{name: "Tim Sampair", id: "E03033", salary: 27000, dept: "D101"},
{name: "Kim Arlich", id: "E10001", salary: 57000, dept: "D190"},
{name: "Timothy Grove", id: "E16398", salary: 29900, dept: "D190"},
];
function top_rank(n) {
var by_dept = group_by_dept(data);
for (var dept in by_dept) {
output(dept);
for (var i = 0; i < n && i < by_dept[dept].length; i++) {
var emp = by_dept[dept][i];
output(emp.name + ", id=" + emp.id + ", salary=" + emp.salary);
}
output("");
}
}
// group by dept, and sort by balary
function group_by_dept(data) {
var by_dept = {};
for (var idx in data) {
var dept = data[idx]['dept'];
if (typeof(by_dept[dept]) == "undefined") {
by_dept[dept] = new Array();
}
by_dept[dept].push(data[idx]);
}
for (var dept in by_dept) {
by_dept[dept].sort(sort_by_salary).reverse();
}
return by_dept;
}
function sort_by_salary(emp_a, emp_b) {
if (emp_a['salary'] == emp_b['salary'])
return 0;
else if (emp_a['salary'] < emp_b['salary'])
return -1;
else
return 1;
}
function output(str) {
try {
WScript.Echo(str); //WSH
} catch(err) {
print(str); //Rhino
}
}
top_rank(3);</lang>
outputs:
<pre>D101
George Woltman, id=E00127, salary=53500
David McClellan, id=E04242, salary=41500
Tyler Bennett, id=E10297, salary=32000
D050
John Rappl, id=E21437, salary=47000
Nathan Adams, id=E41298, salary=21900
D202
Rich Holcomb, id=E01234, salary=49500
Claire Buckman, id=E39876, salary=27800
David Motsinger, id=E27002, salary=19250
D190
Kim Arlich, id=E10001, salary=57000
Timothy Grove, id=E16398, salary=29900
</pre>
=={{header|Perl}}==
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