[AOJ]「IPT1_11_B サイコロII」の問題で合格できません

前提・実現したいこと

AIZU ONLINE JUDGEというサイトの「サイコロII」という問題に合格したい。

一つ目のテストケースからCompile Error（CE）が出てしまいます。
以下のソースコードは自分の環境ではSample InputしたものをSample Outputできています。

問題文につきましては、お手数をかけしますが、以下のリンクよりご確認ください。
https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/11/ITP1_11_B

エラーメッセージ

rep/code.cpp: In function ‘int main()’: 
rep/code.cpp:14:5: error: ‘random_device’ was not declared in this scope random_device rd; ^
rep/code.cpp:15:5: error: ‘mt19937’ was not declared in this scope mt19937 mt(rd()); ^
rep/code.cpp:16:5: error: ‘uniform_int_distribution’ was not declared in this scope uniform_int_distribution<> rand4(0, 3); ^
rep/code.cpp:16:30: error: expected primary-expression before ‘>’ token uniform_int_distribution<> rand4(0, 3); ^
rep/code.cpp:16:42: error: ‘rand4’ was not declared in this scope uniform_int_distribution<> rand4(0, 3); ^
rep/code.cpp:33:27: error: ‘mt’ was not declared in this scope int j = rand4(mt); ^

該当のソースコード

C++
1#include <bits/stdc++.h>
2using namespace std;
3
4struct dice {
5    int number[6];
6};
7
8struct q_table {
9    int first;
10    int second;
11};
12
13int main() {
14    random_device rd;
15    mt19937 mt(rd());
16    uniform_int_distribution<> rand4(0, 3);
17   
18    dice d;
19    int q_count;
20
21    for(int i = 0; i < 6; i++) {
22        cin >> d.number[i];
23    }
24    cin >> q_count;
25    q_table q[q_count];
26    for(int i = 0; i < q_count; i++) {
27        cin >> q[i].first >> q[i].second;
28    }
29
30    for(int i = 0; i < q_count; i++) {
31        while(true) {
32            string instruction = "SNEW";
33            int j = rand4(mt);
34            int tmp;
35
36            if(instruction[j] == 'S') {
37                // S
38                tmp = d.number[0];
39                d.number[0] = d.number[4];
40                d.number[4] = d.number[5];
41                d.number[5] = d.number[1];
42                d.number[1] = tmp;
43            } else if(instruction[j] == 'E') {
44                // E
45                tmp = d.number[0];
46                d.number[0] = d.number[3];
47                d.number[3] = d.number[5];
48                d.number[5] = d.number[2];
49                d.number[2] = tmp;
50            } else if(instruction[j] == 'N') {
51                // N
52                tmp = d.number[0];
53                d.number[0] = d.number[1];
54                d.number[1] = d.number[5];
55                d.number[5] = d.number[4];
56                d.number[4] = tmp;
57            } else if(instruction[j] == 'W') {
58                // W
59                tmp = d.number[0];
60                d.number[0] = d.number[2];
61                d.number[2] = d.number[5];
62                d.number[5] = d.number[3];
63                d.number[3] = tmp;
64            }
65
66            if(d.number[0] == q[i].first && d.number[1] == q[i].second) {
67                cout << d.number[2] << endl;
68                break;
69            }
70        }
71    }
72    return 0;
73}

[補足]以下の3行をmain関数の外に書いた場合のエラーメッセージ

random_device rd;
mt19937 mt(rd());
uniform_int_distribution<> rand4(0, 3)

rep/code.cpp:13:1: error: ‘random_device’ does not name a type random_device rd; ^
rep/code.cpp:14:1: error: ‘mt19937’ does not name a type mt19937 mt(rd()); ^
rep/code.cpp:15:1: error: ‘uniform_int_distribution’ does not name a type uniform_int_distribution<> rand4(0, 3); ^ rep/code.cpp: In function ‘int main()’:
rep/code.cpp:33:27: error: ‘mt’ was not declared in this scope int j = rand4(mt); ^ rep/code.cpp:33:29: error: ‘rand4’ was not declared in this scope int j = rand4(mt); ^