#include #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using std::cin; using std::cout; using std::endl; using std::vector; using ll = long long; #define rep(i,j,k) for(int i=int(j); i> N; vector P(N), rev(N); rep(i,0,N) cin >> P[i]; vector sum(N+1); rep(i,0,N){ sum[i+1] = sum[i]+P[i]; rev[--P[i]] = i; } std::set set; set.insert(-1); set.insert(N); rep(i,0,N){ ll A; cin >> A; auto itr = set.lower_bound(rev[i]); int right = *itr; itr--; int left = *itr; ll ans = 0; if(right-rev[i] < rev[i]-left){ int L = left+1; rep(r,rev[i],right){ //右端固定 //left < l ≤ rev[i] を満たす必要がある for(;;L++){ if(sum[r+1]-sum[L] <= A) break; } int l = L; l = std::max(l, left+1); l = std::min(l, rev[i]+1); ans += rev[i]-l+1; } } else{ int R = right; per(l,rev[i],left+1){ //左端固定 for(;;R--){ if(sum[R]-sum[l] <= A) break; } int r = R-1; //rev[i] ≤ r < right を満たす必要がある r = std::min(r, right-1); r = std::max(r, rev[i]-1); ans += r-rev[i]+1; } } cout << ans << "\n"; set.insert(rev[i]); } }