Personal/vector of vector.cpp at A-type · armaanepiic/Personal · 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
//Bismillahir rahmanir rahim
//Arman Hossain C193033
//Programming is nothing but an addiction.
#include <bits/stdc++.h>
using namespace std;


using ll    =   long long int;
using ull   =   unsigned long long;
using vi    =   vector<int>;
using vll   =   vector<ll>;
using vc    =   vector<char>;
using vs    =   vector<string>;
using vvi   =   vector<vector<int>>;


#define     pb              push_back
#define     mp              make_pair
#define     ff              first
#define     ss              second
#define     sortv           sort(v.begin(), v.end())
#define     rev_sortv       sort(v.begin(), v.end(), greater<int>())
#define     inv             vi v;for(int i = 0; i < n; ++i){int x;cin >> x; v.pb(x);};
#define     out(v)          for(int i = 0; i < v.size(); ++i){cout << v[i] << " ";}cout << endl;
#define     sz(s)           (s).length()
#define     all(x)          (x).begin(), (x).end()
#define     digits(x)       trunc(log10(x))+1
#define     even(x)         (x)%2
#define     inn             int n;cin>>n;


void printVec(vi v)
{
    cout << "size:" << v.size() << endl;
    for (int i = 0; i < v.size(); ++i)
    {
        cout << v[i] << " ";
    }
    cout << endl;
}

void practice()
{
    int N;cin>>N;
    vector<vector<int>>v;
    for (int i = 0; i < N; ++i)
    {
        int n;cin>>n;
        vector<int>temp;
        //v.pb(vector<int> ());

        for (int j = 0; j < n; ++j)
        {
            int x;cin>>x;
            temp.pb(x);
            //v[i].pb(x);
        }
        v.pb(temp);
    }
    v[0].pb(55);
    cout << "size::" << v.size() << endl;
    v.pb(vector<int> ());
    cout << "size::" << v.size() << endl;

    for (int i = 0; i < v.size(); ++i)
    {

        printVec(v[i]);
    }
}


int main()
{
#ifndef ONLINE_JUDGE
    freopen("F:/io/input.txt", "r", stdin);
    freopen("F:/io/output.txt", "w", stdout);
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);


    practice();


    return 0;
}