#include <bits/stdc++.h>


#ifdef DEBUG
#include <Mylib/Debug/debug.cpp>
#else
#define dump(...) ((void)0)
#endif



template <typename T, typename Compare>
class StarrySkyTree{
  int depth, size, hsize;
  std::vector<T> data;

  Compare compare = Compare();

  T f(T a, T b) const {
    return compare(a, b) ? a : b;
  }

  void bottom_up(int i){
    if(i > size) return;

    while(i >= 1){
      if(i < hsize){
        const auto d = f(data[i << 1 | 0], data[i << 1 | 1]);
        
        data[i << 1 | 0] -= d;
        data[i << 1 | 1] -= d;
        data[i] += d;
      }

      i >>= 1;
    }
  }
  
  std::optional<T> get(int i, int l, int r, int s, int t, T val) const {
    if(r <= s or t <= l) return std::nullopt;
    if(s <= l and r <= t) return val + data[i];

    auto a = get(i << 1 | 0, l, (l + r) / 2, s, t, val + data[i]);
    auto b = get(i << 1 | 1, (l + r) / 2, r, s, t, val + data[i]);

    if(not a) return b;
    if(not b) return a;
    return f(*a, *b);
  }

public:
  StarrySkyTree(int n):
    depth(n > 1 ? 32-__builtin_clz(n-1) + 1 : 1),
    size(1 << depth),
    hsize(size / 2),
    data(size, 0)
  {}

  void update(int l, int r, T val){
    int L = l + hsize;
    int R = r + hsize;

    while(L < R){
      if(R & 1) --R, data[R] += val;
      if(L & 1) data[L] += val, ++L;
      L >>= 1;
      R >>= 1;
    }

    bottom_up(l + hsize);
    bottom_up(r + hsize);
  }

  T get(int l, int r) const {
    return *get(1, 0, hsize, l, r, 0);
  }

  template <typename U>
  void init_with_vector(std::vector<U> &a){
    for(int i = 0; i < (int)a.size(); ++i){
      data[hsize + i] = a[i];
    }

    for(int i = hsize - 1; i >= 1; --i){
      data[i] = f(data[i << 1 | 0], data[i << 1 | 1]);
    }

    for(int i = size - 1; i > 1; --i){
      data[i] -= data[i >> 1];
    }
  }
};

int main(){
  std::cin.tie(0);
  std::ios::sync_with_stdio(false);
  
  int N;
  while(std::cin >> N){
    auto seg = StarrySkyTree<int64_t, std::greater<>>(N-1);
        
    std::vector<int64_t> T(N-1);
    for(auto &x : T) std::cin >> x;
    
    for(int i = 0; i < N-1; ++i){
      T[i] += 3 * (N-1-i);
    }

    seg.init_with_vector(T);
    
    int M; std::cin >> M;

    for(int i = 0; i < M; ++i){
      int L, R, D; std::cin >> L >> R >> D;
      --L, --R;

      seg.update(L, R+1, D);
      
      auto ans = seg.get(0, N-1);
      std::cout << ans << std::endl;
    }
  }

  return 0;
}