Ice cream

#include<bits/stdc++.h>

#define F first
#define S second
#define ll long long
#define ull unsigned long long
#define pb push_back
using namespace std;
pair < int ,int > a[20000];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, x, ans = 0;
    cin >> n >> x;
    for (int i = 0; i < n; i++) cin >> a[i].F >> a[i].S;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
        if (a[i].F + a[j].F <= x) ans = max(ans, a[i].S + a[j].S);
    cout << ans;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED