#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- template class BIT { public: V bit[1< bt; int N; int A[301010]; int L[303030]; int R[303030]; vector> E; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) cin>>A[i]; FOR(i,N) { cin>>L[i]>>R[i]; E.push_back({A[i],i}); E.push_back({A[i]+R[i],N+i}); } ll ret=0; sort(ALL(E)); FORR(e,E) { x=e.second%N; if(e.second