import sequtils,strutils,algorithm,math,sugar,macros,strformat proc getchar_unlocked():char {. importc:"getchar_unlocked",header: "" .} proc scan(): int = var minus = false while true: var k = getchar_unlocked() if k == '-' : minus = true elif k < '0' or k > '9': break else: result = 10 * result + k.ord - '0'.ord if minus: result *= -1 let n = scan() let xLB = scan() let xRB = scan() let LRD = toSeq(0..= d: continue limits[x] = d hits[i] = true for hit in hits: if hit : echo 1 else:echo 0