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NMeetings.cpp
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NMeetings.cpp
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// { Driver Code Starts
#include <bits/stdc++.h>
using namespace std;
// } Driver Code Ends
class Solution
{
public:
//Function to find the maximum number of meetings that can
//be performed in a meeting room.
int maxMeetings(int start[], int end[], int n)
{
multimap<int, int> mp;
for (int i = 0; i < n; i++) mp.insert({end[i], start[i]});
auto it1 = mp.begin();
auto it = mp.begin();
int e = it->first, count = 1;
for (auto ele : mp) cout << ele.second << " # " << ele.first << endl;
for (it++; it != mp.end(); it++) {
if (it->second > e) {
count++;
e = it->first;
}
}
return count;
}
};
// { Driver Code Starts.
int main() {
int t;
cin >> t;
while (t--) {
int n;
cin >> n;
int start[n], end[n];
for (int i = 0; i < n; i++) cin >> start[i];
for (int i = 0; i < n; i++) cin >> end[i];
Solution ob;
int ans = ob.maxMeetings(start, end, n);
cout << ans << endl;
}
return 0;
} // } Driver Code Ends