DSA-Practice/B_Sort_the_Array.cpp at main · TARANG0503/DSA-Practice · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197

//🎃🎃🎃😎😎😁🤓☣☣☣☣☣dark_coder☣☣☣☣☣🤓😁😎😎🎃🎃🎃
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb emplace_back
#define ld long double
#define f(i, a, b) for (int i = a; i < b; i++)
#define mp make_pair
#define pi pair<int, int>
#define vi vector<int>
#define vp vector<pair<int, int>>
#define mi map<int, int>
#define all(a) a.begin(), a.end()
#define ff first
#define ss second
#define endl '\n'
#define el '\n'
#define si(x) (int)(x.size())
#define IOS                  \
    ios::sync_with_stdio(0); \
    cin.tie(0);              \
    cout.tie(0)
#define elapsed_time 1.0 * clock() / CLOCKS_PER_SEC
#define tree vector<vector<int>>
#define PI acos(-1)
#define set_bits __builtin_popcountll
int inf = 99999999999;
const int mod = 1e9 + 7;
const int cmp = 1e18;
#ifndef ONLINE_JUDGE
#define debug(x)       \
    cerr << #x << " "; \
    _print(x);         \
    cerr << endl;
#else
#define debug(x)
#endif
void _print(int t)
{
    cerr << t;
}
void _print(ld t) { cerr << t; }
void _print(string t) { cerr << t; }
void _print(char t) { cerr << t; }
void _print(double t) { cerr << t; }
template <class T, class V>
void _print(pair<T, V> p)
{
    cerr << "{";
    _print(p.ff);
    cerr << ",";
    _print(p.ss);
    cerr << "}";
}
template <class T>
void _print(vector<T> v)
{
    cerr << "[ ";
    for (T i : v)
    {
        _print(i);
        cerr << " ";
    }
    cerr << "]";
}
template <class T>
void _print(set<T> v)
{
    cerr << "[ ";
    for (T i : v)
    {
        _print(i);
        cerr << " ";
    }
    cerr << "]";
}
template <class T>
void _print(multiset<T> v)
{
    cerr << "[ ";
    for (T i : v)
    {
        _print(i);
        cerr << " ";
    }
    cerr << "]";
}
template <class T, class V>
void _print(map<T, V> v)
{
    cerr << "[ ";
    for (auto i : v)
    {
        _print(i);
        cerr << " ";
    }
    cerr << "]";
}

int pow(int a, int b)
{
    int ans = 1;
    while (b > 0)
    {
        if (b & 1)
            ans = ans * a % mod;
        a = a * a % mod;
        b >>= 1;
    }
    return ans;
}
int lcm(int a, int b)
{
    return a / __gcd(a, b) * b;
}
int N = 1000000;
void sieve()
{
    vector<bool> isprime(N + 1, 1);
    isprime[0] = isprime[1] = 0;
    for (int i = 2; i <= N; i++)
    {
        if (isprime[i] && i * i <= N)
        {
            for (int j = i * i; j <= N; j += i)
            {
                isprime[j] = 0;
            }
        }
    }
}
void gv(vi &v, int n)
{
    for (int i = 0; i < n; i++)
    {
        int t;
        cin >> t;
        v.push_back(t);
    }
}
// ================ ================ ================ ================ ================ ================ ================ ================ ================ ================
int solve()
{
    IOS;
    int n;
    cin >> n;
    vi v, s, x, xs;
    gv(v, n);
    s = v;
    sort(all(s));
    int ir, jr, flag = 1;
    if (v == s)
    {
        cout << "yes\n1 1";
        return 0;
    }
    for (int i = 0; i < n; i++)
    {
        if (s[i] != v[i] || (s[i] == v[i] && s[i + 1] != v[i + 1] && s[i - 1] != v[i - 1] && i > 0 && i < n - 1))
        {
            if (flag)
            {
                flag = 0;
                ir = i + 1;
            }
            jr = i + 1;
            xs.push_back(s[i]);
            x.push_back(v[i]);
        }
    }

    reverse(all(x));
    if (x == xs && abs(ir - jr) + 1 == x.size())
    {
        cout << "yes\n"
             << ir << ' ' << jr;
    }
    else
    {
        cout << "no";
    }

    return 0;
}
// ================ ================ ================ ================ ================ ================ ================ ================ ================ ================
signed main()
{
    IOS;
    int t = 1;
    // cin>>t;
    while (t--)
    {
        solve();
    }
    return 0;
}