-
Notifications
You must be signed in to change notification settings - Fork 0
/
Hashing.cpp
130 lines (93 loc) · 2.52 KB
/
Hashing.cpp
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
#include <bits/stdc++.h>
using namespace std;
vector<string> split_string(string);
// Complete the missingNumbers function below.
vector<int> missingNumbers(vector<int> arr, vector<int> brr) {
int n=arr.size(),m=brr.size();
// int max=arr[0];
vector<int> miss;
// for(int i=0;i<m;i++)
// {
// if(max<brr[i])
// max=brr[i];
// }
int a[10001]={0};
for(int i=0;i<n;i++)
{
a[arr[i]]++;
}
for(int i=0;i<m;i++)
{
a[brr[i]]--;
}
for(int i=0;i<=10000;i++)
{
// if(a[i]==0 && b[i]!=0)
// miss.push_back(i);
// else if(a[i]!=0 && b[i]!=0)
// {
// if(a[i]<b[i])
// miss.push_back(i);
// }
if(a[i]!=0)
miss.push_back(i);
}
sort(miss.begin(),miss.end());
return miss;
}
int main()
{
ofstream fout(getenv("OUTPUT_PATH"));
int n;
cin >> n;
cin.ignore(numeric_limits<streamsize>::max(), '\n');
string arr_temp_temp;
getline(cin, arr_temp_temp);
vector<string> arr_temp = split_string(arr_temp_temp);
vector<int> arr(n);
for (int i = 0; i < n; i++) {
int arr_item = stoi(arr_temp[i]);
arr[i] = arr_item;
}
int m;
cin >> m;
cin.ignore(numeric_limits<streamsize>::max(), '\n');
string brr_temp_temp;
getline(cin, brr_temp_temp);
vector<string> brr_temp = split_string(brr_temp_temp);
vector<int> brr(m);
for (int i = 0; i < m; i++) {
int brr_item = stoi(brr_temp[i]);
brr[i] = brr_item;
}
vector<int> result = missingNumbers(arr, brr);
for (int i = 0; i < result.size(); i++) {
fout << result[i];
if (i != result.size() - 1) {
fout << " ";
}
}
fout << "\n";
fout.close();
return 0;
}
vector<string> split_string(string input_string) {
string::iterator new_end = unique(input_string.begin(), input_string.end(), [] (const char &x, const char &y) {
return x == y and x == ' ';
});
input_string.erase(new_end, input_string.end());
while (input_string[input_string.length() - 1] == ' ') {
input_string.pop_back();
}
vector<string> splits;
char delimiter = ' ';
size_t i = 0;
size_t pos = input_string.find(delimiter);
while (pos != string::npos) {
splits.push_back(input_string.substr(i, pos - i));
i = pos + 1;
pos = input_string.find(delimiter, i);
}
splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));
return splits;
}