237A - Free Cash - CodeForces Solution

implementation *1000

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Python Code: 

n=int(input())
C=[]
l=[]
for ii in range(n):
    a,b=input().split()
    l.append([a,b])
x,y,c=l[0][0],l[0][1],0
for i in range(0,n):
    if([x,y]!=l[i]):
        C.append(c)
        c=1
        x,y=l[i][0],l[i][1]
    else:
        c+=1
C.append(c)
print(max(C))

C++ Code: 

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll M=1e9+7;

void solve(){
    map<ll,ll>mp;
    ll n;
    cin>>n;
    ll ans = 0;
    while(n--){
        ll x,y;
        cin>>x>>y;
        ll num = x*60 + y;
        mp[num]++;
        ans = max(ans,mp[num]);
    }
    cout<<ans<<endl;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	ll t=1;
    
    // ll t;
    // cin>>t;
    // ll T=t;
    // while(t--){
    //     // cout<<"Case #"<<T-t<<": ";
    //     if(solve()){
    //         cout <<"Yes" <<endl;
    //     }
    //     else{
    //         cout<<"No"<<endl;
    //     }
    // }
    while(t--){
        // cout << fixed << setprecision(9)<<solve()<<endl;
        solve();
        // cout<<solve()<<endl;
    }
	return 0;
}


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