Jäätelö

input/code.cpp: In function 'int main()':
input/code.cpp:28:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   forrange(i, 0, v2.size()) {
                          ^
input/code.cpp:6:47: note: in definition of macro 'forrange'
 #define forrange(i, a, b) for (int i = a; i < b; i++)
                                               ^

#include <iostream>
#include <utility>
#include <vector>
#include <algorithm>

#define forrange(i, a, b) for (int i = a; i < b; i++)

using namespace std;

bool gt (pair<int,int> i, pair<int,int> j) { return (i>j); }

int main() {
  int n, x;
  vector<pair<int, int> > v;
  cin >> n >> x;
  forrange(i, 0, n) {
    int h, p;
    cin >> h >> p;
    v.push_back(make_pair(p, h));
  }
  vector<pair<int, int> > v2;
  forrange(i, 0, n) {
    forrange(j, i, n) {
      v2.push_back(make_pair(v[i].first+v[j].first, v[i].second+v[j].second));
    }
  }
  sort(v2.begin(), v2.end(), gt);
  forrange(i, 0, v2.size()) {
    if (v2[i].second <= x) {
      cout << v2[i].first << "\n";
      return 0;
    }
  }
  cout << "0\n";
}

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