Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = ll(1e12);
const ll mod = ll(1e9) + 1;
#define rep0(i,n) for(ll (i) = 0; (i) < (n); ++(i))
#define rrep0(i,n) for(ll (i) = (n) - 1; (i) >= 0; --(i))
#define rep1(i,n) for(ll (i) = 1; (i) <= (n); ++(i))
#define rrep1(i,n) for(ll (i) = (n); (i) >= 1; --(i))
#define nfor(i,a,b) for(ll (i) = (a); (i) < (b); ++(i))
#define pf(x) cout << (x) << endl
#define all(x) (x).begin(),(x).end()

ll gcd(ll a,ll b){
    if(a < b)swap(a, b);
    if(b == 0) return a;
    return gcd(b,a%b);
}

ll lcm(ll a,ll b){
    ll g = gcd(a,b);
    return a / g * b;
}

ll factorial(ll n){
    ll t = 1;
    rep1(i, n){
        t *= i;
        t %= mod;
    }
    return t;
}

ll power(ll a, ll b){
    a %= mod;
    if(b == 0){
        return 1;
    }
    ll ans = power(a, b / 2);
    ans = ans * ans % mod;
    if(b % 2 == 1){
        ans = ans * a % mod;
    }
    return ans;
}

ll combination(ll a, ll b){
    if((a == b) || (b == 0)){
        return 1;
    }
    if(a < b) return 0;
    ll ans = 1;
    for(ll i = 0; i < b; i++) {
        ans *= (a - i);
        ans %= mod;
        ans *= power(i + 1, mod - 2);
        ans %= mod;
    }
    return ans;
}

int main(){
    ll n,h,maxa = 0,ans = 0;
    cin >> n >> h;
    vector<ll> b(n);
    rep0(i, n){
        ll a;
        cin >> a >> b[i];
        maxa = max(a,maxa);
    }
    sort(all(b),greater<>());
    rep0(i, n){
        if(b[i] < maxa || h <= 0)break;
        h -= b[i];
        ++ans;
    }
    pf(ans + max((h + maxa - 1) / maxa,0));
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:77:17: error: no matching function for call to 'max(ll, int)'
   77 |     pf(ans + max((h + maxa - 1) / maxa,0));
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:11:24: note: in definition of macro 'pf'
   11 | #define pf(x) cout << (x) << endl
      |                        ^
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:77:17: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   77 |     pf(ans + max((h + maxa - 1) / maxa,0));
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:11:24: note: in definition of macro 'pf'
   11 | #define pf(x) cout << (x) << endl
      |                        ^
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:77:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   77 |     pf(ans + max((h + maxa - 1) / maxa,0));
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:11:24: note: in definition of macro 'pf'
   11 | #define pf(x) cout << (x) << endl
      |                        ^