include iostream using namespace std union coordinate int integer doub

 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
#include <iostream>
using namespace std;
union coordinate {
int integer;
double _double;
void init() {
cin >> _double;
if ((int) _double == _double) {
integer = (int) _double;
}
}
double get() {
if (_double != NULL) return _double;
return integer;
}
};
struct coordinate_system {
coordinate x;
coordinate y;
};
int main() {
size_t n;
coordinate query_x;
coordinate query_y;
printf("Enter the size of size of array:");
cin >> n;
struct coordinate_system points[n];
for (int i = 0; i < n; ++i) {
cout << "Enter value of x for point[" << i << "]" << ": ";
points[i].x.init();
cout << "Enter value of y for point[" << i << "]" << ": ";
points[i].y.init();
}
cout << "Entered data:" << endl;
for (int i = 0; i < n; ++i) {
cout << endl << "x = " << points[i].x.get() << "; y = " << points[i].y.get() << endl;
}
cout << "Enter x for search:" << endl;
query_x.init();
cout << "Enter y for search:" << endl;
query_y.init();
for (int i = 0; i < n; ++i) {
if (points[i].x.get() == query_x.get() && points[i].y.get() == query_y.get()) {
cout << "Point with x = " << query_x.get() << " and y = " << query_y.get() << " found." << endl;
cout << i << " - " << "x: " << points[i].x.get() << " y: " << points[i].x.get() << endl << endl;
}
}
}