N=int(input()) Q=int(input()) A,B=[],[] D=[list(map(int, input().split())) for i in range(Q)] # N: 処理する区間の長さ LV = (N-1).bit_length() N0 = 2**LV data = [0]*(2*N0) lazy = [None]*(2*N0) def gindex(l, r): L = (l + N0) >> 1; R = (r + N0) >> 1 lc = 0 if l & 1 else (L & -L).bit_length() rc = 0 if r & 1 else (R & -R).bit_length() for i in range(LV): if rc <= i: yield R if L < R and lc <= i: yield L L >>= 1; R >>= 1 # 遅延伝搬処理 def propagates(*ids): for i in reversed(ids): v = lazy[i-1] if v is None: continue lazy[2*i-1] = lazy[2*i] = data[2*i-1] = data[2*i] = v >> 1 lazy[i-1] = None # 区間[l, r)をxに更新 def update(l, r, x): *ids, = gindex(l, r) propagates(*ids) L = N0 + l; R = N0 + r v = x while L < R: if R & 1: R -= 1 lazy[R-1] = data[R-1] = v if L & 1: lazy[L-1] = data[L-1] = v L += 1 L >>= 1; R >>= 1; v <<= 1 for i in ids: data[i-1] = data[2*i-1] + data[2*i] # 区間[l, r)内の合計を求める def query(l, r): propagates(*gindex(l, r)) L = N0 + l; R = N0 + r s = 0 while L < R: if R & 1: R -= 1 s += data[R-1] if L & 1: s += data[L-1] L += 1 L >>= 1; R >>= 1 return s for i in range(Q): x,l,r=D[i] if x==1: update(l,r+1,1) elif x==2: update(l,r+1,0) else: d=query(l,r+1) A.append(d) d=query(0,N) A.append(d) LV = (N-1).bit_length() N0 = 2**LV data = [0]*(2*N0) lazy = [None]*(2*N0) for i in range(Q): x,l,r=D[i] if x==2: update(l,r+1,1) elif x==1: update(l,r+1,0) else: d=query(l,r+1) B.append(d) d=query(0,N) B.append(d) a,b=A[-1],B[-1] for i in range(len(A)-1): if A[i]>B[i]: a+=A[i] elif A[i]