Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef __int128_t ll;
typedef long l;
#define rep(i,n) for(ll i = 0; i<n ; ++i)
#define repj(j,i,n) for(ll j = i; j<n; ++j)
#define repd(j,i,n) for(ll j = i; j>=n ; --j)
#define vi vector<int>
#define vll vector<ll>
#define vp vector<pair<int,int>>
#define vpl vector<pair<ll,ll>>
#define si set<int>
#define sll set<ll>
#define mp make_pair
#define pb push_back
#define f first
#define sec second
#define len length()
#define mod 1000000007

ll modex(ll a, ll b){ll ans = 1; a%=mod; if(a == 0) return 0; while(b>0){ if(b&1) ans = (ans*a)%mod; b = b>>1; a = (a*a)%mod;} return ans;}
ll gcd(ll a, ll b){ if (b == 0) return a; return gcd(b, a % b);}

void solve(){
    ll n, m, k;
    cin>>n>>m>>k;
    vpl v;
    ll c, cost = 0;
    ll a[n][m];
    ll sum[m] = {0};
    rep(i, n){
        cin>>c;
        cost+=c;
        v.pb(mp(c,i));
        rep(j, m){
            cin>>a[i][j];
            sum[j]+=a[i][j];
        }
    }
    sort(v.begin(), v.end());
    rep(i, m){
        if(sum[i] < k){
            cout<<-1;
            return;
        }
    }
    repd(i, n-1, 0){
        ll temp[m] = {0};
        rep(j, m) temp[j] = sum[j];
        int flag = 1;
        rep(j, m){
            temp[j]-=a[v[i].sec][j];
            if(temp[j] < k) flag = 0;
        }
        if(!flag) continue;
        rep(j ,m ){
            if(flag) sum[j] = temp[j];
        }
        cost-=v[i].f;
    }
    cout<<cost;
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
        freopen("error.txt", "w", stderr);
    #endif

    //int q; cin>>q; while(q--)
        solve();

    #ifndef ONLINE_JUDGE
     cout<<"\nTime Elapsed: " << 1.0*clock() / CLOCKS_PER_SEC << " sec\n";
    #endif
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:26:8: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'll' {aka '__int128'})
   26 |     cin>>n>>m>>k;
      |     ~~~^~~
      |     |    |
      |     |    ll {aka __int128}
      |     std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'll' {aka '__int128'}
   26 |     cin>>n>>m>>k;
      |          ^
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: invalid conversion from 'll' {aka '__int128'} to 'void*' [-fpermissive]
   26 |     cin>>n>>m>>k;
      |          ^
      |          |
      |          ll {aka __int128}
a.cc:26:10: error: cannot bind rvalue '(void*)((long int)n)' to 'void*&'
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: invalid conversion from 'll' {aka '__int128'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   26 |     cin>>n>>m>>k;
      |          ^
      |          |
      |          ll {aka __int128}
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match)
  126 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:126:7: note:   conversion of argument 1 would be ill-formed:
a.cc:26:10: error: invalid conversion from 'll' {aka '__int128'} to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   26 |     cin>>n>>m>>k;
      |          ^
      |          |
      |          ll {aka __int128}
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<ch