func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class T>   void rd(T &x) {     x = 0;     int f = 1;     char ch = getchar();     while (ch <  0  || ch >  9 ) {       if (ch ==  - ) f = -1;       ch = getchar();     }     while (ch >=  0  && ch <=  9 )       x = (x << 3) + (x << 1) + ch -  0 , ch = getchar();     x *= f;   }   const int maxn = 1e5 + 5;   int n, m;   int ans[maxn];   struct node {     int x, op, id;     bool operator<(const node &b) const { return x == b.x ? id < b.id : x < b.x; }   } p[maxn];   struct segment_tree {     int op[maxn << 2], tag[maxn << 2];     void pushdown(int u) {       if (tag[u]) {         op[u << 1] = op[u << 1 | 1] = 1;         tag[u << 1] = tag[u << 1 | 1] = tag[u];         tag[u] = 0;       }       if (op[u] == -1) {         op[u << 1] *= -1;         op[u << 1 | 1] *= -1;         op[u] = 1;       }     }     void build(int u, int l, int r) {       op[u] = 1;       if (l == r) return (void)(op[u] = p[l].op);       int mid = l + r >> 1;       build(u << 1, l, mid);       build(u << 1 | 1, mid + 1, r);     }     void cover(int u, int l, int r, int ql, int qr, int v) {       if (ql <= l && r <= qr) return (void)(op[u] = 1, tag[u] = v);       int mid = l + r >> 1;       pushdown(u);       if (ql <= mid) cover(u << 1, l, mid, ql, qr, v);       if (qr > mid) cover(u << 1 | 1, mid + 1, r, ql, qr, v);     }     void change(int u, int l, int r, int ql, int qr) {       if (ql <= l && r <= qr) return (void)(op[u] *= -1);       int mid = l + r >> 1;       pushdown(u);       if (ql <= mid) change(u << 1, l, mid, ql, qr);       if (qr > mid) change(u << 1 | 1, mid + 1, r, ql, qr);     }     void query(int u, int l, int r) {       if (l == r) {         int res = tag[u] ? tag[u] * op[u] : op[u];         ans[p[l].id] = res * p[l].x;         return;       }       int mid = l + r >> 1;       pushdown(u);       query(u << 1, l, mid);       query(u << 1 | 1, mid + 1, r);     }   } seg;   int main() {     rd(n), rd(m);     for (int i = (1); i <= (n); ++i) {       int x;       rd(x);       p[i] = (node){abs(x), x > 0 ? 1 : -1, i};     }     sort(p + 1, p + n + 1);     seg.build(1, 1, n);     while (m--) {       char s[5];       int x;       scanf( %s , s);       rd(x);       if (s[0] ==  < ) {         if (x < 0) {           int pos = (lower_bound(p + 1, p + n + 1, (node){abs(x) + 1, 0, 0}) - p);           if (pos <= n) seg.cover(1, 1, n, pos, n, 1);         } else {           int pos = (lower_bound(p + 1, p + n + 1, (node){abs(x), 0, 0}) - p);           if (pos <= n) seg.cover(1, 1, n, pos, n, 1);           if (pos > 1) seg.change(1, 1, n, 1, pos - 1);         }       } else {         if (x > 0) {           int pos = (lower_bound(p + 1, p + n + 1, (node){abs(x) + 1, 0, 0}) - p);           if (pos <= n) seg.cover(1, 1, n, pos, n, -1);         } else {           int pos = (lower_bound(p + 1, p + n + 1, (node){abs(x), 0, 0}) - p);           if (pos <= n) seg.cover(1, 1, n, pos, n, -1);           if (pos > 1) seg.change(1, 1, n, 1, pos - 1);         }       }     }     seg.query(1, 1, n);     for (int i = (1); i <= (n); ++i) printf( %d  , ans[i]);     return 0;   }   