Lpl and Energy-saving Lamps - 计蒜客

const int N = 100005; int n, m, q, flag, cnt; int Min[4 * N], d[N]; void Pushup(int root) { Min[root] = min(Min[lson], Min[rson]); } void Build(int l, int r, int root) { if (l == r) {

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