#include #include struct line { int k, b, id; bool operator<(const line &rhs) const { return (k < rhs.k) || (k == rhs.k && b > rhs.b); } } a[50010]; int n; int stk[50010], top; bool ans[50010]; bool check(int x, int y, int z) { return 1ll * (a[y].k - a[z].k) * (a[y].b - a[x].b) >= 1ll * (a[z].b - a[y].b) * (a[x].k - a[y].k); } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d%d", &a[i].k, &a[i].b), a[i].id = i + 1; std::sort(a, a + n); stk[top++] = 0; for (int i = 1; i < n; i++) { if (a[i].k == a[stk[top - 1]].k) continue; while (top > 1 && check(stk[top - 2], stk[top - 1], i)) top--; stk[top++] = i; } while (top) ans[a[stk[--top]].id] = true; for (int i = 0; i <= n; i++) if (ans[i]) printf("%d ", i); return 0; }