Karuselli

input/code.cpp: In function 'int main()':
input/code.cpp:9:4: warning: unused variable 'm' [-Wunused-variable]
 ll m;
    ^

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main() {

int n, k;
ll m;

pair<ll, int> m11;
pair<ll, int> m21;
pair<ll, int> m12;
pair<ll, int> m22;
cin >> n >> k;
	ll a;
	cin >> a;
	m11 = make_pair(a,1);
	m12 = make_pair(0,1);
	for (int i = 2; i<=k; i++) {
		ll b;
		cin >> b;
		if (b > m11.first) {
			m12 = m11;
			m11 = make_pair(b,i);
		}
		else if (b > m12.first) m12 = make_pair(b,i);
}
if (n > 1) {
ll c;
	cin >> c;
	m21 = make_pair(c,1);
	m22 = make_pair(0,1);
	for (int i = 2; i<=k; i++) {
		ll d;
		cin >> d;
		if (d > m21.first) {
			m22 = m21;
			m21 = make_pair(d,i);
		}
		else if (d > m22.first) m22 = make_pair(d,i);
}
if (m21.second != m11.second) {
	cout << m11.first + m21.first << "\n";
}
else {
	//cout << m11.first << " " << m12.first << " " << m21.first << " " << m22.first << "\n";
	cout << max(m11.first + m22.first, m12.first+m21.first) << "\n";
}
}
else {
	cout << m11.first << "\n";
}
return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER