#include<bits/stdc++.h>
using namespace std;
void selection_sort(int *s, int *f, int size) {
int i, j, imin;
for(i = 0; i < size-1; i++)
{
imin = i;
for(j = i+1; j < size; j++)
{
if(f[j] < f[imin])
imin = j;
}
swap(s[i], s[imin]);
swap(f[i], f[imin]);
}
}
void activitySelectionProblem(int s[], int f[], int n)
{
selection_sort(s, f, n);
int i = 0;
cout <<"(" <<s[0] << ", " << f[0] << ")"<<endl;
for(int j = 1; j < n; j++)
{
if(s[j] >= f[i])
{
cout <<"(" <<s[j] << ", " << f[j] << ")"<<endl;
i = j;
}
}
cout << endl;
}
int main()
{
int s[] = {1, 0, 1, 4, 2, 5, 3,4};
int f[] = {3,4,2,6,9,8,5,5};
int n = 8;
activitySelectionProblem(s, f, n);
return 0;
}
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