---

Lỗi biên dịch:

Main.java:1: error: illegal character: '#'
#include 
^
Main.java:1: error: class, interface, or enum expected
#include 
         ^
Main.java:2: error: illegal character: '#'
#include 
^
Main.java:3: error: illegal character: '#'
#include 
^
Main.java:4: error: illegal character: '#'
#include 
^
Main.java:5: error: illegal character: '#'
#define fi first 
^
Main.java:6: error: illegal character: '#'
#define se second
^
Main.java:7: error: illegal character: '#'
#define ll long long 
^
Main.java:11: error: class, interface, or enum expected
bool cmp(pair  a, pair b){
^
Main.java:14: error: class, interface, or enum expected
    if (a.se < b.se)
    ^
Main.java:16: error: class, interface, or enum expected
    return (a.fi < b.fi);
    ^
Main.java:17: error: class, interface, or enum expected
}
^
Main.java:21: error: class, interface, or enum expected
    map  a;
    ^
Main.java:22: error: class, interface, or enum expected
    ll n;
    ^
Main.java:23: error: class, interface, or enum expected
    cin >> n;
    ^
Main.java:24: error: class, interface, or enum expected
    for (ll i = 0; i < n; i++){
    ^
Main.java:24: error: class, interface, or enum expected
    for (ll i = 0; i < n; i++){
                   ^
Main.java:24: error: class, interface, or enum expected
    for (ll i = 0; i < n; i++){
                          ^
Main.java:26: error: class, interface, or enum expected
        cin >> x;
        ^
Main.java:27: error: class, interface, or enum expected
        a[x]++;
        ^
Main.java:28: error: class, interface, or enum expected
    }
    ^
Main.java:31: error: class, interface, or enum expected
    }
    ^
Main.java:33: error: class, interface, or enum expected
    for (pair  i: val)
    ^
Main.java:35: error: class, interface, or enum expected
}
^
24 errors