#include using namespace std; class cht { private: map lines; long long tmax(long long a1, long long b1, long long a2, long long b2){ assert(a1::iterator it){ return it->first*t+it->second; } public: cht(){ lines[0]=-2e18; lines[5e10]=-9e18; } void add(long long a, long long b){ auto it_first=lines.begin(); auto it_last=lines.end(); --it_last; if(lines.count(a)){ if(lines[a]>b){ return; } else { lines.erase(a); } } auto it_next=lines.upper_bound(a); auto it_prev=it_next; --it_prev; if(!need(it_prev->first, it_prev->second, a, b, it_next->first, it_next->second)){ return; } lines[a]=b; auto it=lines.find(a); auto it_n1=it; auto it_n2=it; if(it!=it_last){ ++it_n1; ++it_n2; if(it_n1!=it_last){ ++it_n2; while(!need(it->first, it->second, it_n1->first, it_n1->second, it_n2->first, it_n2->second)){ auto it_tmp=it_n2; lines.erase(it_n1); if(it_n2==it_last){ break; } else { it_n1=it_tmp; ++it_n2; } } } } auto it_p1=it; auto it_p2=it; if(it!=it_first){ --it_p1; --it_p2; if(it_p1!=it_first){ --it_p2; while(!need(it_p2->first, it_p2->second, it_p1->first, it_p1->second, it->first, it->second)){ auto it_tmp=it_p2; lines.erase(it_p1); if(it_p2==it_first){ break; } else { it_p1=it_tmp; --it_p2; } } } } } long long max(long long t){ auto it=lines.begin(); ++it; auto it_next=it; ++it_next; while(h(t,it)> a; int q; cin >> q; cht l; while(q--){ int e; cin >> e; if(e==1){ long long s,t; cin >> s >> t; l.add(a*(s+t),-a*s*t); } else { long long t; cin >> t; long long lmax=l.max(t); cout << max(lmax-a*t*t,0LL) << endl; } } return 0; }