Karuselli

#include <bits/stdc++.h>

#define ll unsigned long long 
#define pii pair<int, int>
#define pllk pair<long long, long long>
#define M 1000000007
#define INF 0x5ADFACE5
#define LINF 0x51DEEFFEC7C0DECALL
#define N (1<<17)

using namespace std;

pii v[14][N];
vector<pii> w[14];

int main () {
	int n, m;
	cin>>n>>m;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) cin>>v[i][j].first, v[i][j].second = j;
		sort(v[i], v[i] + m);
		reverse(v[i], v[i] + m);
		for (int j = 0; j < n; j++) w[i].push_back(v[i][j]);
	}
	if (n == 1) {
		cout<<v[0][0].first<<endl;
	} else if (n == 2) {
		if (v[0][0].second == v[1][0].second) {
			cout<<max(v[0][0].first + v[1][1].first, v[0][1].first + v[1][0].first)<<endl;
		} else cout<<v[0][0].first + v[1][0].first<<endl;
	}
}

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: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: WRONG ANSWER