func_code_string: #include <bits/stdc++.h>   int inp() {     char c = getchar();     while (c <  0  || c >  9 ) c = getchar();     int sum = 0;     while (c >=  0  && c <=  9 ) {       sum = sum * 10 + c -  0 ;       c = getchar();     }     return sum;   }   struct SEG_Tree {     struct SEG {       int l;       int r;       int min;       long long sum;       long long ans;       int lazy;       long long lazy2;     } t[5000010];     void push_up(int cur) {       t[cur].min = std::min(t[((cur) << 1)].min, t[((cur) << 1 | 1)].min);       t[cur].sum = 0;       if (t[cur].min == t[((cur) << 1)].min) t[cur].sum += t[((cur) << 1)].sum;       if (t[cur].min == t[((cur) << 1 | 1)].min)         t[cur].sum += t[((cur) << 1 | 1)].sum;     }     void push_down(int cur) {       t[((cur) << 1)].min += t[cur].lazy;       t[((cur) << 1 | 1)].min += t[cur].lazy;       t[((cur) << 1)].lazy += t[cur].lazy;       t[((cur) << 1 | 1)].lazy += t[cur].lazy;       t[cur].lazy = 0;       if (t[cur].min == t[((cur) << 1)].min) {         t[((cur) << 1)].ans += t[((cur) << 1)].sum * t[cur].lazy2;         t[((cur) << 1)].lazy2 += t[cur].lazy2;       }       if (t[cur].min == t[((cur) << 1 | 1)].min) {         t[((cur) << 1 | 1)].ans += t[((cur) << 1 | 1)].sum * t[cur].lazy2;         t[((cur) << 1 | 1)].lazy2 += t[cur].lazy2;       }       t[cur].lazy2 = 0;     }     void build(int cur, int l, int r) {       t[cur].l = l;       t[cur].r = r;       if (l == r) {         t[cur].min = l;         t[cur].sum = 1;         return;       }       int mid = (l + r) >> 1;       build(((cur) << 1), l, mid);       build(((cur) << 1 | 1), mid + 1, r);       push_up(cur);     }     void modify(int cur, int l, int r, int c) {       if (t[cur].l > r || t[cur].r < l) return;       if (t[cur].l >= l && t[cur].r <= r) {         t[cur].min += c;         t[cur].lazy += c;         return;       }       push_down(cur);       modify(((cur) << 1), l, r, c);       modify(((cur) << 1 | 1), l, r, c);       push_up(cur);     }     long long query(int cur, int l, int r) {       if (t[cur].l > r || t[cur].r < l) return 0;       if (t[cur].l >= l && t[cur].r <= r) return t[cur].ans;       push_down(cur);       return query(((cur) << 1), l, r) + query(((cur) << 1 | 1), l, r);     }   } t;   std::vector<std::pair<int, int> > vec[1200010];   long long ans[1200010];   int a[1200010], s1[1200010], s2[1200000];   signed main() {     int n = inp();     for (int i = 1; i <= n; i++) a[i] = inp();     int q = inp();     for (int i = 1; i <= q; i++) {       int l = inp();       int r = inp();       vec[r].push_back(std::make_pair(l, i));     }     int top1 = 0, top2 = 0;     t.build(1, 1, n);     for (int i = 1; i <= n; i++) {       t.modify(1, 1, n, -1);       while (top1 && a[s1[top1]] > a[i]) {         t.modify(1, s1[top1 - 1] + 1, s1[top1], a[s1[top1]] - a[i]);         top1--;       }       s1[++top1] = i;       while (top2 && a[s2[top2]] < a[i]) {         t.modify(1, s2[top2 - 1] + 1, s2[top2], a[i] - a[s2[top2]]);         top2--;       }       s2[++top2] = i;       t.t[1].ans += t.t[1].sum;       t.t[1].lazy2++;       for (int j = 0; j < vec[i].size(); j++)         ans[vec[i][j].second] = t.query(1, vec[i][j].first, i);     }     for (int i = 1; i <= q; i++) printf( %lld n , ans[i]);   }   