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| #include <bits/stdc++.h> using namespace std; using ll = long long;
const int maxn = 2e5 + 50;
struct Node { ll x, y, z, cost; bool operator < ( const Node &other ) const { return cost > other.cost; } } fri[maxn];
int n, m; ll a[maxn]; ll k;
void solve( ) { cin >> n >> m >> k;
multiset< ll > s;
for( int i = 1; i <= m; ++ i ) { cin >> a[i]; s.insert( a[i] ); }
ll sum = 0; for( int i = 1; i <= n; ++ i ) { cin >> fri[i].x >> fri[i].y >> fri[i].z; fri[i].cost = fri[i].z - fri[i].y; sum += fri[i].y; }
ll remain = k - sum; ll ans = 0; vector< ll > remains;
sort( fri + 1, fri + n + 1 );
for( int i = 1; i <= n; ++ i ) { auto it = s.lower_bound( fri[i].x ); if( it != s.end( ) ) { s.erase( it ); ans ++; } else { remains.push_back( fri[i].cost ); } }
sort( remains.begin( ), remains.end( ) );
for( ll cost : remains ) { if( remain >= cost ) { remain -= cost; ans ++; } else break; } cout << ans << '\n'; }
int main( ) { int _t = 1; cin >> _t; while( _t -- ) { solve( ); } return 0; }
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