input
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6
6
N, M = list(map(int, input().split(' '))) P = 1000000007 skip = [] for i in range(M): skip.append(int(input())) steps = [0] * (N + 2) steps[0] = 1 for i in range(0, N): if i+1 not in skip: steps[i+1] += steps[i] steps[i+1] %= P if i+2 not in skip: steps[i+2] += ...
N, M = list(map(int, input().split(' '))) P = 1000000007 skip = [] for i in range(M): skip.append(int(input())) nums = set(range(N)) - set(skip) steps = [0] * (N + 2) steps[0] = 1 for i in nums: steps[i+1] = (steps[i+1] + steps[i]) % P steps[i+2] = (steps[i+2] + steps[i]) % P print(step...
p03013
import math n, m = [int(i) for i in input().split()] ans = 1 a_pre = -1 for mi in range(m): a = int(eval(input())) if a == a_pre: break elif a == a_pre + 1: ans = 0 break k = a - a_pre - 2 max_2 = k//2 cnt = 0 for i in range(max_2+1): cnt +=...
n, m = [int(i) for i in input().split()] b = [0 for i in range(n+1)] for mi in range(m): b[int(eval(input()))] = 1 cnt = 0 s = [0 for i in range(n+1)] s[0] = 1 if b[1] == 0: s[1] = 1 else: s[1] = 0 for ni in range(2,n+1): if b[ni] == 0: s[ni] = (s[ni-1] + s[ni-2]) % 1000000007 ...
p03013
n,m = list(map(int,input().split())) A = [int(eval(input())) for _ in range(m)] mod = 1000000007 dp = [0]*(n+1) dp[0] = 1 for i in range(1,n+1): dp[i] = (dp[i-1] + dp[i-2])%mod if i in A:dp[i] = 0 print((dp[n]))
n,m = list(map(int,input().split())) A = set([int(eval(input())) for _ in range(m)]) mod = 1000000007 dp = [0]*(n+1) dp[0] = 1 for i in range(1,n+1): dp[i] = (dp[i-1] + dp[i-2])%mod if i in A:dp[i] = 0 print((dp[n]))
p03013
n,m = list(map(int,input().split())) base = [int(eval(input())) for i in range(m)] count = 0 now = 0 i= 0 dp = [0]*(n+1) if 1 in base: dp[1] = 0 else: dp[1] = 1 dp[0] = 1 for i in range(2,n+1): if not(i in base): dp[i] = dp[i-1] + dp[i-2] print((int(dp[n]%1000000007)))
n,m = list(map(int,input().split())) base = [int(eval(input())) for i in range(m)] i= 0 j = 0 dp = [0]*(n+1) if m == 0: base = [n+1] if 1 == base[j]: dp[1] = 0 if j < m-1: j = j + 1 else: dp[1] = 1 dp[0] = 1 for i in range(2,n+1): if not (i == base[j]): dp[i] = dp[i-1] + dp[i-2...
p03013
n,m = list(map(int,input().split())) a = [] a.append(0) for i in range(m): b = int(eval(input())) b -= 1 a.append(b) a.append(n) b = [] b.append(1) b.append(2) for i in range(n-2): c =b[i] d = b[i+1] e = c + d b.append(e) c = [] if a[1] == 0: c.append(1) else: ...
n,m = list(map(int,input().split())) mod = 10**9 + 7 a = [1] * (n+1) for i in range(m): b = int(eval(input())) a[b] = 0 for i in range(2,n+1): if a[i] != 0: a[i] = a[i-1] + a[i-2] #print(a) print((a[n] % mod))
p03013
N, M = list(map(int, input().split())) dp = [1, 2] A = [int(eval(input())) for _ in range(M)] if M != 0: if M >= 2 and A[0] == 1 and A[1] == 2: dp = [0, 0] elif A[0] == 1: dp = [0, 1] elif A[0] == 2: dp = [1, 0] else: A = [0] MOD = 1000000007 if N == 1: wh...
N, M = list(map(int, input().split())) dp = [1, 2] A = [int(eval(input())) for _ in range(M)] if M != 0: if M >= 2 and A[0] == 1 and A[1] == 2: dp = [0, 0] elif A[0] == 1: dp = [0, 1] elif A[0] == 2: dp = [1, 0] else: A = [0] MOD = 1000000007 if N == 1: pr...
p03013
import sys n, m = [int(_) for _ in input().split()] l = [] for i in range(m): l.append(int(eval(input()))) d = [0] * (n + 2) d[0] = 1 if 1 not in l: d[1] = 1 for i in range(n): if i in l and i + 1 in l: print((0)) sys.exit() elif i in l: d[i + 2] = d[i + 1] ...
import sys n, m = [int(_) for _ in input().split()] l = {} for i in range(m): l[int(eval(input()))] = 1 d = [0] * (n + 2) d[0] = 1 if 1 not in l: d[1] = 1 for i in range(n): if i in l and i + 1 in l: print((0)) sys.exit() elif i in l: d[i + 2] = d[i + 1] ...
p03013
import sys N,M = list(map(int, input().strip().split(' '))) broken = set(int(line.strip()) for line in sys.stdin) p = [0]*(N+2) p[0] = 1 for i in range(N): # 今i段目にいる if i in broken: continue p[i+1] += p[i] p[i+2] += p[i] print((p[N]%1000000007))
import sys N,M = list(map(int, input().strip().split(' '))) if M > 0: broken = set(int(line.strip()) for line in sys.stdin) else: broken = set() p = [0]*(N+2) p[0] = 1 for i in range(N): # 今i段目にいる if i in broken: continue p[i+1] += p[i] p[i+2] += p[i] print((p[N]%1000000007))
p03013
from operator import mul from functools import reduce mod = 10 ** 9 + 7 def combinations_count(n, r): r = min(r, n - r) numer = reduce(mul, list(range(n, n - r, -1)), 1) denom = reduce(mul, list(range(1, r + 1)), 1) return numer // denom def pat(n): cnt = 0 for i in range(n//2 + 1): ...
n, m = list(map(int, input().split())) MOD = 1000000007 fact=[0,1] fact_inv=[0]*(n+1) for i in range(2,n+1): fact.append(fact[-1]*i % MOD) fact_inv[n] = pow(fact[n],MOD-2,MOD) for i in range(n-1,-1,-1): fact_inv[i] = fact_inv[i+1]*(i+1)%MOD def comb(n,r): return fact[n]*fact_inv[r]*fact_inv[n-r]%M...
p03013
n, m = list(map(int,input().split())) a = [int(eval(input())) for i in range(m)] dp = [0] * (n+1) dp[0] = 1 for i in range( 1, n+1): if i in a: dp[i]= 0 else: dp[i]= (dp[i-1] + dp[i-2]) print((dp[n] % 1000000007))
n, m = list(map(int,input().split())) a = [int(eval(input())) for i in range(m)] a = set(a) dp = [0] * (n+1) dp[0] = 1 for i in range( 1, n+1): if i in a: dp[i]= 0 else: dp[i]= (dp[i-1] + dp[i-2]) print((dp[n] % 1000000007))
p03013
import math from fractions import Fraction import sys from fractions import Fraction import sys sys.setrecursionlimit(15000) def fibMul(fn1, fn2): a = fn1[0] b = fn1[1] c = fn2[0] d = fn2[1] return (a*c + 5*b*d, a*d + b*c) def fibExp(fn, n): if (n == 0): return (Fract...
import math from fractions import Fraction import sys class multipliable_2x2matrix(object): def __init__(self, a, b, c, d): self.a = a; self.b = b; self.c = c; self.d = d; def mul(self, b): return multipliable_2x2matrix( self.a * b.a + self.b * ...
p03013
N, M = list(map(int, input().split())) a = [int(eval(input())) for _ in range(M)] MOD = int(1e9) + 7 stair = [] for i in range(N): if i+1 in a: stair.append(False) else: stair.append(True) # DP dp = [0] * N if stair[0]: dp[0] = 1 if N >= 2: if stair[1]: dp[1] =...
N, M = list(map(int, input().split())) a = [int(eval(input())) for _ in range(M)] MOD = int(1e9) + 7 stair = [True] * N for i in a: stair[i-1] = False # DP dp = [0] * N if stair[0]: dp[0] = 1 if N >= 2: if stair[1]: dp[1] = dp[0] + 1 else: dp[1] = 0 for i in range(2,...
p03013
N, M = list(map(int, input().split())) a = [int(eval(input())) for _ in range(M)] dp = [0 for _ in range(N+1)] MOD = int(1e9) + 7 dp[0] = 1 # DP if 1 not in a: dp[1] = 1 for i in range(2, N+1): if i in a: continue dp[i] = (dp[i-2] + dp[i-1]) % MOD print((dp[-1]))
N, M = list(map(int, input().split())) a = [int(eval(input())) for _ in range(M)] MOD = int(1e9) + 7 stair = [True] * N for i in a: stair[i-1] = False # DP dp = [0] * N if stair[0]: dp[0] = 1 if N >= 2: if stair[1]: dp[1] = dp[0] + 1 else: dp[1] = 0 for i in range(2,...
p03013
N, M = list(map(int, input().split())) a = [int(eval(input())) for _ in range(M)] MOD = int(1e9) + 7 stair = [True] * N for i in a: stair[i-1] = False # DP dp = [0] * N if stair[0]: dp[0] = 1 if N >= 2: if stair[1]: dp[1] = dp[0] + 1 else: dp[1] = 0 for i in range(2,...
N, M = list(map(int, input().split())) st = [1 for _ in range(N+1)] for _ in range(M): st[int(eval(input()))] = 0 dp = [0 for _ in range(N+1)] MOD = int(1e9) + 7 dp[0] = 1 # DP if st[1]: dp[1] = 1 for i in range(2, N+1): if st[i]: dp[i] = (dp[i-1] + dp[i-2]) % MOD print((dp[-1]))
p03013
N, M = list(map(int, input().split())) A = [] for m in range(M): A.append(int(eval(input()))) dp = [0]*(N+2) dp[N] = 1 dp[N+1] = 0 for i in range(N-1, -1, -1): if i in A: dp[i] = 0 else: dp[i] = (dp[i+1] + dp[i+2]) % 1000000007 print((dp[0]))
N, M = list(map(int, input().split())) A = [] for m in range(M): A.append(int(eval(input()))) broken = [0]*(N+2) for a in A: broken[a] = 1 dp = [0]*(N+2) dp[N] = 1 dp[N+1] = 0 for i in range(N-1, -1, -1): if broken[i]: dp[i] = 0 else: dp[i] = (dp[i+1] + dp[i+2]) %...
p03013
n, m = list(map(int, input().split())) bad = [int(eval(input())) for _ in range(m)] back2 = 0 back1 = 1 MOD = int(1e9+7) for i in range(n): if i + 1 in bad: back2, back1 = back1%MOD, 0 else: back2, back1 = back1%MOD, (back2+back1)%MOD print(back1)
import sys sys.setrecursionlimit(150000) n, m = list(map(int, input().split())) bad = [int(eval(input())) for _ in range(m)] MOD = int(1e9+7) memo = {0:1, 1:1} for i in bad: memo[i] = 0 def fib(n, mod): if n not in memo: memo[n] = (fib(n-1, mod) + fib(n-2, mod)) % mod return memo[n]...
p03013
N, M = list(map(int, input().split())) MOD = 10**9+7 broken = [int(eval(input())) for _ in range(M)] l = [0]*(N+1) for i in range(N+1): if i in broken: continue elif i==0 or i==1: l[i] = 1 else: l[i] = l[i-1] + l[i-2] l[i] %= MOD print((l[N]))
N, M = list(map(int, input().split())) MOD = 10**9+7 broken = [int(eval(input())) for _ in range(M)] l = ["empty"]*(N+1) l[0], l[1] = 1, 1 for i in broken: l[i] = 0 for i in range(N+1): if l[i] == "empty": l[i] = (l[i-1] + l[i-2]) % MOD print((l[N]))
p03013
#A問題 N,M = list(map(int,input().split())) A = [] mod = 1000000007 for i in range(M): A.append(int(eval(input()))) sta = [] for i in range(N+1): if i == 0: sta.append(1) elif i == 1: sta.append(1) elif i == 2: sta.append(2) else: sta.append(sta[i-1]+st...
#C問題 mod = 10**9+7 N,M = list(map(int,input().split())) step = [] for i in range(N+2): if i <= 1: step.append(1) elif i == 2: step.append(1) else: step.append(step[i-1]+step[i-2]) A = [] for j in range(M): A.append(int(eval(input()))) stairs = [] flag = 0...
p03013
# C - Typical Stairs MOD = (10 ** 9) + 7 INF = float('inf') N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] dp = [0] * (N + 1) dp[0] = 1 if 1 not in A: dp[1] = 1 for i in range(2, N + 1): if i in A: dp[i] = 0 else: dp[i] = (dp[i - 1] + dp[i ...
# C - Typical Stairs MOD = (10 ** 9) + 7 N, M = list(map(int, input().split())) A = [False] * (N + 1) for _ in range(M): A[int(eval(input()))] = True dp = [0] * (N + 1) dp[0] = 1 if A[1] == False: dp[1] = 1 for i in range(2, N + 1): if A[i] == True: dp[i] = 0 else: dp[i...
p03013
n,m=list(map(int,input().split())) a=[int(eval(input())) for i in range(m)] mod=10**9+7 d=[0]*(n+1) d[0]=1 if 1 in a: d[1]=0 else: d[1]=1 for i in range(2,n+1): if i not in a: d[i]=(d[i-1]+d[i-2])%mod print((d[n]))
n,m=list(map(int,input().split())) a=[int(eval(input())) for i in range(m)] mod=10**9+7 d=[mod]*(n+1) d[0]=1;d[1]=1 for i in a: d[i]=0 for i in range(2,n+1): d[i]=min(d[i],(d[i-1]+d[i-2])%mod) print((d[n]))
p03013
N,M=list(map(int,input().split())) a=[int(eval(input())) for _ in range(M)] dp=[0]*(N) for i in range(1,N+1): if i==1 and 1 not in a: dp[0]=1 elif i==2: if 2 in a: dp[1]=0 else: dp[1]+=dp[0]+1 elif i not in a: dp[i-1]=dp[i-2]+dp[i-3] ...
N,M=list(map(int,input().split())) a=[int(eval(input())) for _ in range(M)] a.append(N+10) dp=[0]*(N) j=0 for i in range(1,N+1): if i==1 and 1!=a[j]: dp[0]=1 elif i==2: if 2==a[j]: dp[1]=0 j+=1 else: dp[1]=dp[0]+1 elif i!=a[j]: ...
p03013
N, M = list(map(int, input().split())) MOD = 10 ** 9 + 7 broken = [] for i in range(0, M): broken.append(int(eval(input()))) memo = [0] * (N+1) memo[0] = 1 cnt = 1 while cnt <= N: if cnt in broken: memo[cnt] = 0 elif cnt == 1: memo[cnt] = 1 else: memo[cnt] = (memo[cnt-1] + memo[cnt-2...
N, M = list(map(int, input().split())) MOD = 10 ** 9 + 7 broken = [] for i in range(0, M): broken.append(int(eval(input()))) memo = [1] cnt = 1 while cnt <= N: if len(broken) > 0 and cnt == broken[0]: del broken[0] memo.append(0) elif cnt == 1: memo.append(1) else: memo.append((m...
p03013
n,m = list(map(int,input().split())) a = [int(eval(input())) for _ in range(m)] p = 10**9 +7 ans = [0]*(n+1) ans[0] = 1 ans[1] = 1 for i in range(1,n): if i in a: ans[i] = 0 ans[i+1] = ans[i-1]%p else: ans[i+1] = (ans[i-1] + ans[i])%p print((ans[-1]))
n,m = list(map(int,input().split())) a = [int(eval(input())) for _ in range(m)] p = 10**9 +7 ans = [0]*(n+1) ans[0] = 1 ans[1] = 1 broken = [0]*(n+1) for i in a: broken[i]= -1 for i in range(1,n): if broken[i] == -1: ans[i] = 0 ans[i+1] = ans[i-1]%p else: ans[i+1]...
p03013
def main(): n, m = list(map(int, input().split())) a = [int(eval(input())) for _ in range(m)] ansls = [0]*(n+1) if 0 not in a: ansls[0] = 1 if 1 not in a: ansls[1] = 1 for i in range(2, n+1): if i not in a: ansls[i] = (ansls[i-2] + ansls[i-1])%...
def main(): n, m = list(map(int, input().split())) a = set([int(eval(input())) for _ in range(m)]) ansls = [0]*(n+1) big = 10**9 + 7 if 0 not in a: ansls[0] = 1 if 1 not in a: ansls[1] = 1 for i in range(2, n+1): if i not in a: ansls[i] = ...
p03013
def main(): n, m = list(map(int, input().split())) a = [int(eval(input())) for _ in range(m)] ansls = [0]*(n+1) if 0 not in a: ansls[0] = 1 if 1 not in a: ansls[1] = 1 for i in range(2, n+1): if i not in a: ansls[i] = (ansls[i-2] + ansls[i-1])%...
def main(): n, m = list(map(int, input().split())) a = set([int(eval(input())) for _ in range(m)]) ansls = [0]*(n+1) if 0 not in a: ansls[0] = 1 if 1 not in a: ansls[1] = 1 for i in range(2, n+1): if i not in a: ansls[i] = (ansls[i-2] + ansls[i...
p03013
n,m = list(map(int,input().split())) a = ([int(eval(input())) for i in range(m)]) inf = 1000000007 dp = [0] * (n+1) dp[0] = 1 if 1 not in a: dp[1] = 1 else: dp[1] = 0 for i in range(2,n+1): if i in a: continue dp[i] = dp[i-1] + dp[i-2] dp[i] %= inf print((dp[n]))
n,m = list(map(int,input().split())) a = set([int(eval(input())) for i in range(m)]) inf = 1000000007 dp = [0] * (n+1) dp[0] = 1 if 1 not in a: dp[1] = 1 else: dp[1] = 0 for i in range(2,n+1): if i in a: continue dp[i] = dp[i-1] + dp[i-2] dp[i] %= inf print((dp[n]))
p03013
N,M=list(map(int,input().split())) mod=10**9+7 dp=[0 for i in range(N+1)] dp[0]=1 a=[int(eval(input())) for i in range(M)] isbroken=[1 for i in range(N+1)] for i in range(M): isbroken[a[i]]=0 for i in range(N): if i-1>=0: dp[i+1]=dp[i]*isbroken[i]+dp[i-1]*isbroken[i-1] else: dp[i...
N,M=list(map(int,input().split())) mod=10**9+7 isbroken=[1 for i in range(N+1)] dp=[0 for i in range(N+1)] dp[0]=1 for i in range(M): ai=int(eval(input())) isbroken[ai]=0 for i in range(N): dp[i+1]=isbroken[i]*dp[i]+isbroken[i-1]*dp[i-1] dp[i+1]%=mod print((dp[N]))
p03013
MOD = 10 ** 9 + 7 N, M = list(map(int, input().split())) a = [int(eval(input())) for _ in range(M)] broken = [False] * (N + 1) for aa in a: broken[aa] = True dp = [0] * (N + 1) dp[0] = 1 for i in range(1, N + 1): if broken[i]: continue if i >= 2: dp[i] = dp[i - 1] + dp[i - ...
mod = 10 ** 9 + 7 n, m = list(map(int, input().split())) a = tuple(int(eval(input())) for _ in range(m)) b = [False] * (n + 1) for aa in a: b[aa] = True dp = [0] * (n + 5) dp[0] = 1 for i in range(n): if not b[i]: dp[i + 1] += dp[i] dp[i + 1] %= mod dp[i + 2] += dp[i] ...
p03013
N, M = list(map(int, input().split())) a = [] for _ in range(M): a.append(int(eval(input()))) val = [0,1] for i in range(1, N + 1): ans = val[0] + val[1] val[0] = val[1] val[1] = ans if len(a) > 0: if i == a[0]: val[1] = 0 a.pop(0) print((ans % (10*...
N, M = list(map(int, input().split())) a = [] for _ in range(M): a.append(int(eval(input()))) val = [0,1] for i in range(1, N + 1): ans = (val[0] + val[1]) % (10**9 +7) val[0] = val[1] val[1] = ans if len(a) > 0: if i == a[0]: val[1] = 0 a.pop(0) pr...
p03013
N, M = list(map(int, input().split())) mod_num = 10 ** 9 + 7 a = [0] * N for i in range(M): a[i] = int(eval(input())) val = [0,1] for i in range(1, N + 1): ans = (val[0] + val[1]) % mod_num val[0] = val[1] val[1] = ans if len(a) > 0: if i == a[0]: val[1] = 0 ...
N, M = list(map(int, input().split())) mod_num = 10 ** 9 + 7 a = [0] * N for i in range(M): a[i] = int(eval(input())) val = [0,1] j = 0 for i in range(1, N + 1): ans = (val[0] + val[1]) % mod_num val[0] = val[1] val[1] = ans if len(a) > 0: if i == a[j]: val[1] ...
p03013
N, M = list(map(int, input().split())) mod_num = 10 ** 9 + 7 a = [0] * M for i in range(M): a[i] = int(eval(input())) val = [0,1] j = 0 for i in range(1, N + 1): ans = (val[0] + val[1]) % mod_num val[0] = val[1] val[1] = ans if i in a: val[1] = 0 print(ans)
N, M = list(map(int, input().split())) mod_num = 10 ** 9 + 7 a = [0] * M for i in range(M): a[i] = int(eval(input())) a = set(a) val = [0,1] j = 0 for i in range(1, N + 1): ans = (val[0] + val[1]) % mod_num val[0] = val[1] val[1] = ans if i in a: val[1] = 0 print(ans...
p03013
#https://atcoder.jp/contests/abc129/tasks/abc129_c def dp1(n,a): dp=[0]*(n+1) dp[0]=1 if 1 not in a: dp[1]=1 if n==1: return dp[1] else: for i in range(2,n+1): if i not in a: dp[i]=dp[i-1]+dp[i-2] return dp[n] def main(): ...
def dp1(n,a): dp=[0]*(n+1) dp[0]=1 ok=[True]*(n+1) for x in a: ok[x]=False if 1 not in a: dp[1]=1 if n==1: return dp[1] else: for i in range(2,n+1): if ok[i]: dp[i]=(dp[i-1]+dp[i-2])%1000000007 return dp[n] def...
p03013
n,m=list(map(int,input().split())) a=[int(eval(input())) for _ in range(m)] dp=[0]*(n+2) dp[0]=1 for i in range(n): if i in a: continue dp[i+1]+=dp[i] dp[i+2]+=dp[i] print((dp[n]%1000000007))
n,m=list(map(int,input().split())) a=set(int(eval(input())) for _ in range(m)) dp=[0]*(n+2) dp[0]=1 for i in range(n): if i in a: continue dp[i+1]+=dp[i] dp[i+2]+=dp[i] print((dp[n]%1000000007))
p03013
n,m = list(map(int, input().split())) a = [int(eval(input())) for _ in range(m)] mod = 10**9+7 dp = [0]*(n+1) dp[0]=1 if 1 not in a: dp[1]=1 for i in range(2,n+1): if i in a : continue else: dp[i]= dp[i-1] + dp[i-2] dp[i]%= mod print((dp[n]))
n,m = list(map(int, input().split())) a = set([int(eval(input())) for _ in range(m)]) mod = 10**9+7 dp = [0]*(n+1) dp[0]=1 if 1 not in a: dp[1]=1 for i in range(2,n+1): if i in a : continue else: dp[i]= dp[i-1] + dp[i-2] dp[i]%= mod print((dp[n]))
p03013
n,m=list(map(int,input().split())) L=[int(eval(input())) for i in range(m)] NL=[0]*(n+1) NL[0],NL[1]=1,1 if 1 in L: NL[1]=0 for i in range(2,n+1): if i in L: NL[i]=0 else: NL[i]=NL[i-2]+NL[i-1] if NL[-1]>=1000000007: print((NL[-1]%1000000...
n, m = list(map(int, (input().split()))) a = {int(eval(input())) for i in range(m)} mod = 10 ** 9 + 7 x = 1 if 1 not in a else 0 dp = [1, x] + [0] * (n - 1) for i in range(2, n + 1): if i in a: continue dp[i] = (dp[i - 1] + dp[i - 2]) print((dp[-1] % mod))
p03013
n,m=list(map(int,input().split())) A=[int(eval(input())) for _ in range(m)] mod=10**9+7 dp=[0]*(n+1) dp[0]=1 if 1 not in A: dp[1]=1 for i in range(2,n+1): if i not in A: dp[i]=dp[i-1]+dp[i-2] print((dp[-1]%mod))
n,m=list(map(int,input().split())) A={int(eval(input())) for _ in range(m)} mod=10**9+7 dp=[0]*(n+1) dp[0]=1 if 1 not in A: dp[1]=1 for i in range(2,n+1): if i not in A: dp[i]=dp[i-1]+dp[i-2] print((dp[-1]%mod))
p03013
def fib(n): if n <= 1: return n result = [1, 0, 0, 1] matrix = [1, 1, 1, 0] while n > 0: if n % 2: result = mul(matrix, result) matrix = mul(matrix, matrix) n //= 2 return result[2] def mul(a, b): return [a[0]*b[0] + a[1]*b[2], ...
N, M = list(map(int, input().split())) if N == 1: print((1)) quit() S = [-1] * (N + 1) S[0] = 1 for i in range(M): S[int(eval(input()))] = 0 if S[1] != 0: S[1] = 1 for i in range(2, N + 1): if S[i] == 0: continue else: S[i] = (S[i - 1] + S[i - 2]) % 1000000007 ...
p03013
n,m=list(map(int,input().split())) a=[] for i in range(m): a.append(int(eval(input()))) dp=[0]*n if 1 not in a: dp[0]=1 else: dp[0]=0 for i in range(1,n): if i+1 in a: continue if i==1: dp[i]=dp[i-1]+1 continue dp[i]=dp[i-1]+dp[i-2] print((dp[-1]%((10**9)+...
n,m=list(map(int,input().split())) a=[] for i in range(m): a.append(int(eval(input()))) dp=[0]*n if 1 not in a: dp[0]=1 else: dp[0]=0 a=set(a) for i in range(1,n): if i+1 in a: continue if i==1: dp[i]=dp[i-1]+1 continue dp[i]=dp[i-1]+dp[i-2] print((dp[-1]...
p03013
n,m=list(map(int,input().split())) a=[] for i in range(m): a.append(int(eval(input()))) dp=[0]*n if 1 not in a: dp[0]=1 else: dp[0]=0 a=set(a) for i in range(1,n): if i+1 in a: continue if i==1: dp[i]=dp[i-1]+1 continue dp[i]=dp[i-1]+dp[i-2] print((dp[-1]...
n,m=list(map(int,input().split())) a=[int(eval(input())) for i in range(m)] mod=10**9+7 dp=[0]*(n+1) dp[0]=1 a=set(a) for i in range(1,n+1): if i in a: dp[i]=0 elif i==1: dp[i]=1 else: dp[i]=(dp[i-1]+dp[i-2])%mod print((dp[-1]))
p03013
N, M = list(map(int, input().split())) A=[] MOD=1000000007 for _ in range(M): a = int(eval(input())) A.append(a) C = [0]*(N+1) C[0]=1 #print(C) for i in range(N): if i+1 not in A: C[i+1]+=C[i]%MOD if i+2 not in A and i<N-1: C[i+2]+=C[i]%MOD #print(C) print((C[N]%MOD)...
N, M = list(map(int, input().split())) D=[1]*(N+1) MOD=1000000007 for _ in range(M): i = int(eval(input())) D[i]=0 C = [0]*(N+1) C[0]=1 for i in range(N-1): C[i+1]+=(C[i]*D[i])%MOD C[i+2]+=(C[i]*D[i])%MOD C[N]+=(C[N-1]*D[N-1])%MOD #print(C) print((C[N]%MOD))
p03013
import sys def I(): return int(sys.stdin.readline().rstrip()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) N,M = LI() a = set([I() for _ in range(M)]) if N==1: print((1)) exit() dp = [0]*(N+1) #1_indexed dp[1] = 0 if 1 in a else 1 dp[2] = 0 if 2 in a else (1+dp[1]) for i in r...
import itertools,sys def I(): return int(sys.stdin.readline().rstrip()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) N,M = LI() a = set([I() for _ in range(M)]) dp = [0]*(N+1) #1_indexed dp[0] = 1 dp[1] = 0 if 1 in a else 1 for i in range(1,N+1): if i in a: dp[i] = 0 ...
p03013
import sys def I(): return int(sys.stdin.readline().rstrip()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) N,M = LI() a = [I() for _ in range(M)] dp = [0]*(N+1) #1_indexed dp[0] = 1 dp[1] = 0 if 1 in a else 1 for i in range(2,N+1): if i in a: dp[i] = 0 continue ...
import itertools,sys def I(): return int(sys.stdin.readline().rstrip()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) N,M = LI() a = set([I() for _ in range(M)]) dp = [0]*(N+1) #1_indexed dp[0] = 1 dp[1] = 0 if 1 in a else 1 for i,j in itertools.product(list(range(2,N+1)),[1,2]): if...
p03013
n,m = list(map(int,input().split())) A = [int(eval(input())) for _ in range(m)] mod = 1000000007 dp = [0]*(n+1) dp[0],dp[1] = 1,1 for i in range(2,n+1): if i in A: continue elif i-1 in A and i-2 in A: dp[n] = 0 break elif i-1 in A: dp[i] = dp[i-2] elif i-2 in...
n,m=list(map(int,input().split())) a=set([int(eval(input())) for i in range(m)]) dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): dp[i]=(dp[i-1]+dp[i-2])%(10**9+7) if i in a:dp[i]=0 print((dp[n]))
p03013
n,m=list(map(int,input().split())) a=set([int(eval(input())) for i in range(m)]) dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): dp[i]=(dp[i-1]+dp[i-2])%(10**9+7) if i in a:dp[i]=0 print((dp[n]))
n,m = list(map(int,input().split())) A = set([int(eval(input())) for _ in range(m)]) mod = 1000000007 dp = [0]*(n+1) dp[0] = 1 for i in range(1,n+1): dp[i] = (dp[i-1] + dp[i-2])%mod if i in A:dp[i] = 0 print((dp[n]))
p03013
N, M = list(map(int,input().split())) a = [int(eval(input())) for i in range(M)] dp = [0 for i in range(N+1)] dp[0] = 1 dp[1] = 1 for i in range(2,N+1): if (i-2 in a) and (i-1 in a): dp[-1] = 0 break elif i-2 in a: dp[i] = dp[i-1] elif i-1 in a: dp[i] = dp[i-2] else: dp[i] = dp...
N, M = list(map(int,input().split())) a = set([int(eval(input())) for i in range(M)]) dp = [0 for i in range(N+1)] dp[0] = 1 dp[1] = 1 for i in range(2,N+1): if (i-2 in a) and (i-1 in a): dp[-1] = 0 break elif i-2 in a: dp[i] = dp[i-1] elif i-1 in a: dp[i] = dp[i-2] else: dp[i]...
p03013
N, M = list(map(int, input().split())) a_list = [int(eval(input())) for _ in range(M)] ans_list = [1] + [0] * N for i in range(1, N+1): if i == 1: if 1 not in a_list: ans_list[1] += ans_list[i-1] else: if i not in a_list: ans_list[i] += ans_list[i-2] ...
import sys N, M = list(map(int, input().split())) a_list = [int(eval(input())) for _ in range(M)] if N == 1: print((1)) else: a = 1 ans = 1 if M == 0: b = 1 for i in range(2, N+1): ans = (a+b)%1000000007 a, b = b, ans elif M == 1: ...
p03013
n,m=list(map(int,input().split())) a=[int(eval(input())) for i in range(m)] d=[0]*(n+1) d[0]=1 d[1]=1 if 1 in a: d[1]=0 for i in range(2,n+1): if i in a: d[i]=0 else: d[i]=d[i-1]+d[i-2] print((d[n]%(10**9+7)))
n,m=list(map(int,input().split())) a=[int(eval(input())) for i in range(m)] d=[1]*(n+1) for i in range(m): d[a[i]]=0 for i in range(2,n+1): if d[i]!=0: d[i]=d[i-1]+d[i-2] print((d[n]%(10**9+7)))
p03013
#!usr/bin/env python3 from collections import defaultdict from collections import deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return list(map(int, sys.stdin.readline().split())) def I(): return int(sys.stdin.readline()) def LS():return list(map(list, ...
#!usr/bin/env python3 from collections import defaultdict from collections import deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return list(map(int, sys.stdin.readline().split())) def I(): return int(sys.stdin.readline()) def LS():return list(map(list, ...
p03013
#!usr/bin/env python3 from collections import defaultdict from collections import deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return list(map(int, sys.stdin.readline().split())) def I(): return int(sys.stdin.readline()) def LS():return list(map(list, ...
#!usr/bin/env python3 from collections import defaultdict from collections import deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return list(map(int, sys.stdin.readline().split())) def I(): return int(sys.stdin.readline()) def LS():return list(map(list, ...
p03013
# -*- coding: utf-8 -*- import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(eval(input())) def MAP(): r...
# -*- coding: utf-8 -*- import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(eval(input())) def MAP(): r...
p03013
def readinput(): n,m=list(map(int,input().split())) a=[] for _ in range(m): a.append(int(eval(input()))) return n,a def main(n,a): MOD=10**9+7 nroute=[0]*(n+2) nroute[0]=0 nroute[1]=1 nroute[2]=1 for i in range(3,n+2): nroute[i]=(nroute[i-1]+nrout...
import sys INFTY=sys.maxsize def readinput(): n,m=list(map(int,input().split())) a=[] for _ in range(m): a.append(int(eval(input()))) return n,m,a def main(n,m,a): MOD=10**9+7 dp=[0]*(n+3) dp[0]=1 ia=0 for i in range(n+1): if ia<m and i==a[ia]: ...
p03013
n,m=list(map(int,input().split())) A=[int(eval(input())) for i in [0]*m] dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): dp[i]=(dp[i-1]+dp[i-2])%(10**9+7) if i in A:dp[i]=0 print((dp[n]))
n,m=list(map(int,input().split())) A=set(int(eval(input())) for i in range(m)) dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): dp[i]=(dp[i-1]+dp[i-2])%(10**9+7) if i in A:dp[i]=0 print((dp[n]))
p03013
import sys MOD = 10**9 + 7 n, m = list(map(int, input().split())) a = [int(x) for x in sys.stdin.readlines()] ans = [0 for i in range(n)] if 1 not in a: ans[0] = 1 if 2 not in a and n >=2: ans[1] = ans[0] + 1 for i in range(2, n): if i+1 not in a: ans[i] = (ans[i-1] + ans[i-2])%MOD p...
import sys MOD = 10**9 + 7 n, m = list(map(int, input().split())) a = [int(x) for x in sys.stdin.readlines()] ans = [1 for i in range(n)] for x in a: ans[x-1] = 0 for i in range(n): if i == 0 and ans[i] == 0: ans[0] = 0 elif i == 1: if ans[i] == 1: ans[1] += ans[0] ...
p03013
n,m=list(map(int,input().split())) mod=10**9+7 dp=[0]*(n+1) dp[0]=1 a=[int(eval(input())) for i in range(m)] for i in range(1,n+1): if i in a: continue x=dp[i-1] if i>1: x+=dp[i-2] dp[i]=x%mod print((dp[-1]))
n,m=list(map(int,input().split())) mod=10**9+7 dp=[0]*(n+1) dp[0]=1 a=set(int(eval(input())) for i in range(m)) for i in range(1,n+1): if i in a: continue x=dp[i-1] if i>1: x+=dp[i-2] dp[i]=x%mod print((dp[-1]))
p03013
n,m=list(map(int,input().split())) mod=10**9+7 dp=[0]*(n+1) dp[0]=1 a=set(int(eval(input())) for i in range(m)) for i in range(1,n+1): if i in a: continue x=dp[i-1] if i>1: x+=dp[i-2] dp[i]=x%mod print((dp[-1]))
n,m=list(map(int,input().split())) a=set(int(eval(input())) for i in range(m)) mod=10**9+7 dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): if i in a: continue if i==1: dp[i]=1 else: dp[i]=(dp[i-1]+dp[i-2])%mod print((dp[-1]))
p03013
N,M = list(map(int,input().split(' '))) l = [int(eval(input())) for i in range(M)] mod = 10**9+7 dp = {} for i in range(N+1): dp[i] = 1 dp[1] = 0 if 1 in l else 1 for i in range(2,N+1): if i in l: dp[i] = 0 continue else: dp[i] = dp[i-1]%mod + dp[i-2]%mod dp[...
N,M = list(map(int,input().split(' '))) l = set([int(eval(input())) for i in range(M)]) mod = 10**9+7 dp = {} for i in range(N+1): dp[i] = 1 dp[1] = 0 if 1 in l else 1 for i in range(2,N+1): if i in l: dp[i] = 0 continue else: dp[i] = dp[i-1]%mod + dp[i-2]%mod ...
p03013
N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] MOD = 10 ** 9 + 7 dp = [0] * (N + 1) dp[0] = 1 for i in range(1, N+1): if i not in A: dp[i] = (dp[i-1] + dp[i-2]) % MOD print((dp[N]))
import sys sys.setrecursionlimit(10 ** 7) N, M = list(map(int, input().split())) A = set(int(eval(input())) for _ in range(M)) MOD = 10 ** 9 + 7 dp = [0] * (N + 1) dp[0] = 1 for i in range(1, N+1): if i not in A: dp[i] = (dp[i-1] + dp[i-2]) % MOD print((dp[N]))
p03013
n, m = list(map(int, input().split())) a = [int(eval(input())) for _ in range(m)] dp = [0]*(n+1) dp[0] = 1 dp[1] = 1 if (1 not in a) else 0 for i in range(2, n+1): if i in a: pass else: dp[i] = dp[i-1] + dp[i-2] print((dp[n]%(10**9+7)))
n, m = list(map(int, input().split())) a = [int(eval(input())) for _ in range(m)] dp = [-1]*(n+1) dp[0] = 1 dp[1] = 1 for i in a: dp[i] = 0 for i in range(2, n+1): if dp[i] == 0: pass else: dp[i] = dp[i-1] + dp[i-2] print((dp[n]%(10**9+7)))
p03013
n,m = list(map(int,input().split())) a = [int(eval(input())) for i in range(m)] mod = 1000000007 result = [0]*(n+1) result[0] = 1 for i in range(1,n+1): if i in a: result[i] = 0 else: result[i] = (result[i-1] + result[i-2])%mod print((result[n]))
n,m = list(map(int,input().split())) a = set([int(eval(input())) for i in range(m)]) mod = 1000000007 result = [0]*(n+1) result[0] = 1 for i in range(1,n+1): if i in a: result[i] = 0 else: result[i] = (result[i-1] + result[i-2])%mod print((result[n]))
p03013
import sys, math, collections, heapq, itertools def gcd(a, b): a, b = max(a, b), min(a, b) while a % b > 0: a, b = b, a % b return b def solve(): file = sys.stdin.readline #single: int(file()), line: map(int, file().split()) INF = 10 ** 25 mod = 7 + 10 ** 9 N, M = list(map(int, ...
import sys def solve(): input = sys.stdin.readline N, M= list(map(int, input().split())) mod = 7 + 10 ** 9 A = [True] * (N + 1) for _ in range(M): A[int(eval(input()))] = False DP = [0] * (N + 1) DP[0] = 1 for i in range(N): if i < N - 1: if A[i ...
p03013
n,m=list(map(int,input().split())) a=[0]*m for i in range(m): a[i]=int(eval(input())) p0=1 if 1 in a: p1=0 else: p1=1 for i in range(2,n+1): if i in a: p2=0 else: p2=p1+p0 p0,p1=p1,p2 print((p1%1000000007))
n,m=list(map(int,input().split())) a=[1]*(n+1) for i in range(m): a[int(eval(input()))]=0 p0=a[0] p1=a[1] for i in range(2,n+1): if a[i]==1: p2=p0+p1 else: p2=0 p0,p1=p1,p2 print((p1%1000000007))
p03013
def main(): import sys input = sys.stdin.readline N,M = list(map(int,input().split())) a = [] A = [0] * (1 + 10 ** 5) for _ in range(M): A[int(eval(input()))] = 1 dp = [0] * (N + 1) dp[0] = 1 if A[1]: dp[1] = 0 else: dp[1] = 1 for i in ra...
import sys input = lambda : sys.stdin.readline().rstrip() mod = 10**9 + 7 n, m = list(map(int, input().split())) a = [] for _ in range(m): a.append(int(eval(input()))) a = set(a) dp = [0]*(n + 1) dp[0] = 1 for i in range(n): if i + 2 not in a and i + 2 <= n: dp[i + 2] += dp[i] dp[...
p03013
#!/usr/bin/env python # -*- coding: utf-8 -*- def solve(): n, m = list(map(int, input().split())) am = set(int(eval(input())) for i in range(m)) ans = [0] * (n + 10) ans[0] = 1 md = 10 ** 9 + 7 for i in range(n): if (i + 1) not in am: ans[i + 1] += ans[i] ...
#!/usr/bin/env python # -*- coding: utf-8 -*- def solve(): n, m = list(map(int, input().split())) am = set([int(eval(input())) for i in range(m)]) ans = [0] * (n + 1000) ans[0] = 1 md = (10 ** 9) + 7 for i in range(n): if (i + 1) not in am: ans[i + 1] = (ans[i] + ...
p03013
n, m = list(map(int,input().split())) a = [int(eval(input())) for _ in range(m)] MOD = 10**9+7 dp = [0]*(n+1) dp[0] = 1 if not 1 in a: dp[1] = 1 for i in range(2, n+1): if i in a: dp[i] = 0 else: dp[i] = (dp[i-1] + dp[i-2]) % MOD print((dp[n]))
n, m = list(map(int,input().split())) a = [int(eval(input())) for _ in range(m)] MOD = 10**9+7 dp = [0]*(n+1) ng = [False]*(n+1) for i in a: ng[i] = True dp[0] = 1 if not ng[1]: dp[1] = 1 for i in range(2, n+1): if ng[i]: continue else: dp[i] = (dp[i-1] + dp[i-2]...
p03013
N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] MOD = 10 ** 9 + 7 dp = [1] + [0] * (N + 10) for n in range(1, N + 1): if n in A: continue dp[n] = (dp[n - 1] + (dp[n - 2] if 2 <= n else 0)) % MOD #print(dp) print((dp[N]))
N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] MOD = 10 ** 9 + 7 am = {} for a in A: am[a] = True dp = [1] + [0] * (N + 10) for n in range(1, N + 1): if n in am: continue dp[n] = (dp[n - 1] + (dp[n - 2] if 2 <= n else 0)) % MOD #print(dp) print((dp[N]))
p03013
N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] MOD = 10 ** 9 + 7 am = set() for a in A: am |= {a} dp = [1] + [0] * (N + 10) for n in range(1, N + 1): if n in am: continue dp[n] = (dp[n - 1] + (dp[n - 2] if 2 <= n else 0)) % MOD #print(dp) print((dp[N]))
N, M = list(map(int, input().split())) A = {int(eval(input())) for _ in range(M)} MOD = 10 ** 9 + 7 dp = [1] + [0] * (N + 10) for n in range(1, N + 1): if n in A: continue dp[n] = (dp[n - 1] + (dp[n - 2] if 2 <= n else 0)) % MOD print((dp[N]))
p03013
n,m = (int(i) for i in input().split()) a = [int(eval(input())) for i in range(m)] oks = [True if not i in a else False for i in range(n+1)] mod = 1000000007 dp = [0 for _ in range(n+1)] dp[0] = 1 dp[1] = 1 if not 1 in a else 0 for i in range(2,n+1): if oks[i] is True: dp[i] = (dp[i-1]+dp[i-2])%mod...
n,m = (int(i) for i in input().split()) a = [int(eval(input())) for i in range(m)] mod = 1000000007 oks = [True for _ in range(n+1)] for i in a: oks[i] = False dp = [1,0] dp[1] = 1 if oks[1] is True else 0 for i in range(2,n+1): if oks[i] is True: dp.append((dp[i-1]+dp[i-2])%mod) else: ...
p03013
import sys N, M = list(map(int, sys.stdin.readline().split())) a = [int(sys.stdin.readline()) for _ in range(M)] MOD = 10 ** 9 + 7 list = [0] * N for i in range(N): if i == 0: if (i + 1) in a: list[i] = 0 else: list[i] = 1 elif i == 1: if (i + 1)...
import sys N, M = list(map(int, sys.stdin.readline().split())) a = [int(sys.stdin.readline()) for _ in range(M)] MOD = 10 ** 9 + 7 list = [0] * N if M > 0: j = 0 for i in range(N): if i == 0: if a[j] == 1: list[i] = 0 else: list[i...
p03013
N,M = list(map(int,input().split())) a = [int(eval(input())) for _ in range(M)] if 1 in a: fibs = [1,0] else: fibs = [1,1] for i in range(2,N+1): if i in a: fibs[0] = fibs[1] fibs[1] = 0 else: next = fibs[1] + fibs[0] if next > 1000000007: next -= 1000000007 fibs[0] =...
N,M = list(map(int,input().split())) a = [int(eval(input())) for _ in range(M)] a.sort(reverse=True) if 1 in a: a.pop() fibs = [1,0] else: fibs = [1,1] for i in range(2,N+1): if len(a) > 0 and i == a[-1]: a.pop() fibs[0] = fibs[1] fibs[1] = 0 else: next = fibs[1] + fibs[0] ...
p03013
MOD=10**9+7 n,m=list(map(int,input().split())) a=[int(eval(input())) for _ in range(m)] dp=[0]*(n+1) if n==1: print((1)) exit() if 1 in a and 2 in a: print((0)) exit() elif 1 in a: dp[1]=0 dp[2]=1 elif 2 in a: dp[1]=1 dp[2]=0 else: dp[1]=1 dp[2]=2 for i in range(3,n+1): if ...
MOD=10**9+7 n,m=list(map(int,input().split())) a=set([int(eval(input())) for _ in range(m)]) dp=[0]*(n+1) if n==1: print((1)) exit() if 1 in a and 2 in a: print((0)) exit() elif 1 in a: dp[1]=0 dp[2]=1 elif 2 in a: dp[1]=1 dp[2]=0 else: dp[1]=1 dp[2]=2 for i in range(3,n+1): ...
p03013
import sys from functools import lru_cache sys.setrecursionlimit(10**9) MOD=10**9+7 n,m=list(map(int,input().split())) a=set([int(eval(input())) for _ in range(m)]) if n==1: print((1)) exit() if 1 in a and 2 in a: print((0)) exit() elif 1 in a: ans=[0,0,1] elif 2 in a: ans=[0,1,0] else: a...
MOD=10**9+7 n,m=list(map(int,input().split())) a=set([int(eval(input())) for _ in range(m)]) if n==1: print((1)) exit() if 1 in a and 2 in a: print((0)) exit() elif 1 in a: ans=[0,1] elif 2 in a: ans=[1,0] else: ans=[1,2] for i in range(2,n): if i+1 in a: ans.append(0) else: ...
p03013
import sys sys.setrecursionlimit(100000) def intinput(): return list(map(int,sys.stdin.readline().split())) fib={0:0,1:1,2:1} for i in range(3,100003): fib[i]=fib[i-1]+fib[i-2] # fib.append(fib[i-1]+fib[i-2]) n,m=intinput() mod=10**9+7 a=[int(sys.stdin.readline()) for _ in range(m)] if m!=0: ...
import sys sys.setrecursionlimit(100000) def intinput(): return list(map(int,sys.stdin.readline().split())) n, m = intinput() a = {int(sys.stdin.readline()) for _ in range(m)} memo = [0 for x in range(n + 4)] memo[0] = 1 mod = 10 ** 9 + 7 for i in range(n): if i + 1 not in a: memo[i + 1] = (...
p03013
import sys def main(): input = sys.stdin.readline MOD = 10**9 + 7 N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] dp = [0] * (N+2) dp[1] = 1 for i in range(N): step = i+2 if i+1 in A: dp[step] = 0 else: ...
import sys def main(): input = sys.stdin.readline MOD = 10**9 + 7 N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] is_safe = [True] * (N+1) for a in A: is_safe[a] = False dp = [0] * (N+2) dp[1] = 1 for i in range(N): st...
p03013
import sys def main(): input = sys.stdin.readline MOD = 10**9 + 7 N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] is_safe = [True] * (N+1) for a in A: is_safe[a] = False dp = [0] * (N+2) dp[1] = 1 for i in range(N): st...
import sys def main(): input = sys.stdin.readline MOD = 10**9 + 7 N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] is_safe = [True] * (N+2) for a in A: is_safe[a+1] = False dp = [0] * (N+2) dp[1] = 1 for i in range(2, N+2): ...
p03013
N, M = tuple(map(int, input().split())) mod = 10**9+7 broken = [] dp = [0]* (N+1) for i in range(M): broken.append(int(eval(input()))) dp[0] = 1 for i in range(1, N+1): if (i in broken): continue if (i == 1): dp[i] = 1 continue dp[i] = (dp[i-1] + dp[i-2]) % mod...
N, M = list(map(int, input().split())) A = set(int(eval(input())) for _ in range(M)) mod = 10 ** 9 + 7 dp = [0] * (N+1) dp[0] = 1 for i in range(1, N+1): if i in A: continue if i == 1: dp[i] = 1 continue dp[i] = dp[i-1] + dp[i-2] dp[i] %= mod print((dp[N] % mod))...
p03013
mod=10**9+7 n, m = list(map(int, input().split())) ai=[] for i in range(m): ai.append(int(eval(input()))) #print(ai) dp=[] for i in range(n+1): dp.append(0) dp[0]=1 if 1 in ai: dp[1]=0 else: dp[1]=1 for i in range(2,n+1): if i in ai: continue dp[i]=(dp[i-1]+dp[...
mod=10**9+7 n, m = list(map(int, input().split())) ai={} for i in range(m): ai.setdefault(int(eval(input())), 0) #print(ai) dp={} for i in range(n+1): dp.setdefault(i, 0) dp[0]=1 if 1 in ai: dp[1]=0 else: dp[1]=1 for i in range(2,n+1): if i in ai: continue dp[i...
p03013
import sys input = sys.stdin.readline n,m=(int(i) for i in input().split()) a = [int(eval(input())) for i in range(m)] #print(n,m,a) d=[0 for i in range(100000+10)] p=1000000007 #n=100 #a=[1, 23, 45, 67, 89] aa=[0 for i in range(100000+10)] for i in range(10**5+10): if i in a: aa[i]=1 #prin...
import sys input = sys.stdin.readline n,m=(int(i) for i in input().split()) a = [int(eval(input())) for i in range(m)] #print(n,m,a) d=[0 for i in range(100000+10)] p=1000000007 #n=100 #a=[1, 23, 45, 67, 89] aa=[0 for i in range(100000+10)] for i in a: aa[i]=1 #print(aa) d[0]=1 if aa[1] == 0: ...
p03013
n,m=list(map(int,input().split())) a=[int(eval(input())) for i in range(m)] dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): dp[i]=(dp[i-1]+dp[i-2])%(10**9+7) if i in a:dp[i]=0 print((dp[n]))
n,m=list(map(int,input().split())) a=set([int(eval(input())) for i in range(m)])#setにしないとTLEになる dp=[0]*(n+1) dp[0]=1 for i in range(1,n+1): dp[i]=(dp[i-1]+dp[i-2])%(10**9+7) if i in a: dp[i]=0 print((dp[n])) # 入力 # 6 1 # 3
p03013
N,M=list(map(int, input().split())) NG=[ 0 for i in range(N+1) ] for i in range(M): a=eval(input()) NG[a]=1 dp=[ 0 for i in range(N+1) ] dp[0]=1 mod=10**9+7 for i in range(N): if i+1<=N and NG[i+1]==0: dp[i+1]+=dp[i] dp[i+1]%=mod if i+2<=N and NG[i+2]==0: dp[i+2]+=dp[i] dp[i+2]%=mod ...
import sys N,M=list(map(int, input().split())) NG=[ 0 for i in range(N+1) ] for i in range(M): a=int( sys.stdin.readline().strip() ) NG[a]=1 dp=[ 0 for i in range(N+1) ] dp[0]=1 mod=10**9+7 for i in range(N): if i+1<=N and NG[i+1]==0: dp[i+1]+=dp[i] dp[i+1]%=mod if i+2<=N and NG[i+2]==0: ...
p03013
n, m = list(map(int, input().split())) dp = [-1] * (n + 1) a = [] for i in range(m): aa = int(eval(input())) dp[aa] = 0 a.append(aa) mod = 10 ** 9 + 7 dp[0] = 1 if 1 in a: dp[1] = 0 else: dp[1] = 1 for i in range(1, n): if dp[i + 1] == 0: continue else: dp[...
n, m = list(map(int, input().split())) dp = [-1] * (n + 1) a = [] for i in range(m): aa = int(eval(input())) dp[aa] = 0 a.append(aa) mod = 10 ** 9 + 7 dp[0] = 1 if 1 in a: dp[1] = 0 else: dp[1] = 1 for i in range(1, n): if dp[i + 1] == 0: continue dp[i + 1] = (dp[i]...
p03013
n,m=list(map(int,input().split())) a=[] dp=[0]*(n+1) mo=10**9+7 for i in range(m): a.append(int(eval(input()))) for i in range(n+1): if i==0: dp[i]=1 elif i==1: if 1 not in a: dp[i]=1 elif i not in a: dp[i]=dp[i-1]+dp[i-2] dp[i]%=mo ...
n,m=list(map(int,input().split())) a=set() dp=[0]*(n+1) mo=10**9+7 for i in range(m): a.add(int(eval(input()))) for i in range(n+1): if i==0: dp[i]=1 elif i==1: if 1 not in a: dp[i]=1 elif i not in a: dp[i]=dp[i-1]+dp[i-2] dp[i]%=mo ...
p03013
import sys input = sys.stdin.readline MOD = 1000000007 def main(): n, m = [int(i) for i in input().split()] a = [int(eval(input())) for _ in range(m)] steps = [0] * (n + 1) steps[0] = 1 for now in range(n): for next_ in range(now + 1, min(now + 2, n) + 1): if ne...
import sys input = sys.stdin.readline MOD = 1000000007 def main(): n, m = [int(i) for i in input().split()] a = {int(eval(input())) for _ in range(m)} steps = [0] * (n + 1) steps[0] = 1 for now in range(n): for next_ in range(now + 1, min(now + 2, n) + 1): if ne...
p03013
n,m=list(map(int,input().split())) a=[int(eval(input())) for _ in range(m)] fibo=[0]*(n+1) fibo[0]=1 fibo[1]=1 if 1 not in a else 0 mod=10**9+7 for i in range(2,n+1): if i in a: continue fibo[i]=(fibo[i-2]+fibo[i-1])%mod print((fibo[-1]))
import sys mod = 10**9+7 def main(): n, m = list(map(int, input().split(' '))) if m > 0: aaa = set(map(int, sys.stdin)) else: aaa = set() dp = [0] * (n+1) dp[0] = 1 dp[1] = 1 if 1 not in aaa else 0 for i in range(2, n+1): if i in aaa: ...
p03013
from collections import Counter n, m = list(map(int, input().split())) l = [] a0 = 0 for i in range(m): a = int(eval(input())) if a - a0 == 0: print((0)) exit() l.append(a - a0 - 1) a0 = a + 1 l.append(n - a0) d = Counter(l) key = list(d.keys()) def cmb(n, r): if r >...
from collections import Counter n, m = list(map(int, input().split())) l = [] a0 = 0 for i in range(m): a = int(eval(input())) if a - a0 == 0: print((0)) exit() l.append(a - a0 - 1) a0 = a + 1 l.append(n - a0) d = Counter(l) key = list(d.keys()) ma = max(key) fib = [1]*(...
p03013
n, m = list(map(int, input().split())) a = [0] + [int(eval(input())) for _ in range(m)] dp = [0] * (n + 1) dp[0] = 1 if 1 in a: dp[1] = 0 else: dp[1] = 1 MOD = 10 ** 9 + 7 for i in range(2, n + 1): if i in a: continue dp[i] = dp[i - 1] + dp[i - 2] dp[i] %= MOD print((dp[-...
n, m = list(map(int, input().split())) a = [0] + [int(eval(input())) for _ in range(m)] ok = [True] * (n + 1) for v in a: ok[v] = False dp = [0] * (n + 1) dp[0] = 1 if 1 in a: dp[1] = 0 else: dp[1] = 1 MOD = 10 ** 9 + 7 for i in range(2, n + 1): if ok[i]: dp[i] = dp[i - 1] + ...
p03013
# -*- coding: utf-8 -*- """ Created on Sun Sep 13 12:06:59 2020 @author: liang """ key = 10**9 + 7 N, M = list(map(int, input().split())) A = [int(eval(input())) for _ in range(M)] A.sort() A += [-1] def solve(): steps = list() count = 0 index = 0 #段差数え for i in range(N+1): ...
# -*- coding: utf-8 -*- """ Created on Sun Sep 13 12:37:37 2020 @author: liang """ """ フィボナッチ数列生成 【DP(?)】 : 配列を使用することで計算量が爆発するのを防ぐ 【小さいものから計算する】の原則 【方針】  通常の配列を用いたフィボナッチ数列の生成方法の応用版 壊れた階段のフィボナッチ数列の値を 0 にすることで、実質遷移を止めることが出来る。 """ key = 10**9 + 7 N, M = list(map(int, input().split())) A = [int(eval(i...
p03013
n,m=list(map(int,input().split())) alis=[] for i in range(m): a=int(eval(input())) alis.append(a) if 1 in alis: dp=[1,0] else: dp=[1,1] for i in range(2,n+1): if i in alis: d=0 dp.append(d) else: d=dp[i-2]+dp[i-1] dp.append(d) print((dp[n]%(10**9+7)))
n,m=list(map(int,input().split())) alis=set([]) for i in range(m): a=int(eval(input())) alis.add(a) if 1 in alis: dp=[1,0] else: dp=[1,1] for i in range(2,n+1): if i in alis: d=0 dp.append(d) else: d=dp[i-2]+dp[i-1] dp.append(d) print((dp[n]%(10**9+7)))
p03013
### 解説読んでから書いたコード n, m = list(map(int, input().split())) MOD = 1000000007 if m > 0: a = [int(eval(input())) for i in range(m)] else: a = [] a.append(-1) a_i = 0 step = [0] * (n+2) step[-1] = -1 step[0] = 1 for i in range(1, n+1): if a[a_i] == i: step[i] = -1 a_i += 1 ...
### 解説読んでから書いたコード ### n, m = list(map(int, input().split())) MOD = 1000000007 if m > 0: a = [int(eval(input())) for i in range(m)] else: a = [] a.append(-1) # 末尾に-1を追加(壊れている床がもう無い事を示す) a_i = 0 ## n段目への移動方法は、step[n]通り存在する ## step[n] = step[n-2] + step[n-1] step = [0] * (n+2) step[-1] = -1 # 存...
p03013
import sys import os MOD = 10 ** 9 + 7 def main(): if os.getenv("LOCAL"): sys.stdin = open("input.txt", "r") N, M = list(map(int, sys.stdin.buffer.readline().split())) A = [int(sys.stdin.buffer.readline().rstrip()) for _ in range(M)] ret = [0, 1] for i in range(1, N + 1): ...
import sys import os MOD = 10 ** 9 + 7 def main(): if os.getenv("LOCAL"): sys.stdin = open("input.txt", "r") N, M = list(map(int, sys.stdin.buffer.readline().split())) A = set([int(sys.stdin.buffer.readline().rstrip()) for _ in range(M)]) ret = [0, 1] for i in range(1, N +...
p03013
import sys sys.setrecursionlimit(10000000) import os import math import bisect import collections import itertools import heapq import re import queue # import fractions ii = lambda: int(sys.stdin.buffer.readline().rstrip()) il = lambda: list(map(int, sys.stdin.buffer.readline().split())) fl = lambda...
import sys sys.setrecursionlimit(10000000) import os import math import bisect import collections import itertools import heapq import re import queue # import fractions ii = lambda: int(sys.stdin.buffer.readline().rstrip()) il = lambda: list(map(int, sys.stdin.buffer.readline().split())) fl = lambda...
p03013
N, M = list(map(int, input().split())) List = [int(eval(input())) for _ in range(M)] P = 10**9+7 dp = [1]*(N+1) for i in List: dp[i]=0 for j in range(1, N): if dp[j+1]!=0: dp[j+1] = dp[j]+dp[j-1] print((dp[N]%P))
N, M = list(map(int, input().split())) List = [int(eval(input())) for _ in range(M)] P = 10**9+7 dp = [1]*(N+1) for i in List: dp[i]=0 for j in range(1, N): if dp[j+1]!=0: dp[j+1] = (dp[j]+dp[j-1])%P print((dp[N]))
p03013
from collections import defaultdict as dd n,m=[int(i) for i in input().split()] brkn = dd(int) mod = 10**9+7 for i in range(m): num = int(eval(input())) brkn[num]+=1 dp = [0]*(n+1) dp[0]=1 if(1 in brkn): dp[1]=0 else: dp[1]=1 for i in range(2,n+1): if(i in brkn): dp[i]=0 ...
import sys sys.setrecursionlimit(10**6) from collections import defaultdict as dd n,m=[int(i) for i in input().split()] brkn = dd(int) mod = 10**9+7 for i in range(m): num = int(eval(input())) brkn[num]+=1 dp = [-1]*(n+1) def func(curr): if(curr==0): dp[0]=1 return dp[0] ...
p03013
import sys input = sys.stdin.readline import math def combinations_count(n, r): return math.factorial(n) // (math.factorial(n - r) * math.factorial(r)) n,m = list(map(int,input().split())) if m==0: cnt = 0 steps = n for j in range(steps//2+1): if j == 0: cnt += 1 ...
import sys input = sys.stdin.readline n,m = list(map(int,input().split())) oks = [True]*(n+1) for i in range(m): a = int(eval(input())) oks[a] = False dp = [0]*(n+1) dp[0] = 1 for i in range(n): for j in range(i+1,min(n,i+2)+1): if oks[j]: dp[j] += dp[i] dp[j...
p03013
N,M=list(map(int,input().split())) a=[int(eval(input())) for _ in range(M)] mod=10**9+7 #Dynamic Programming dp=[0]*(N+1) dp[0]=1 if 1 not in a: dp[1]=1 else: dp[1]=0 for i in range(2,N+1): if i in a: continue dp[i]=(dp[i-1]+dp[i-2])%mod print((dp[N]))
N,M=list(map(int,input().split())) dp=[0]*(N+1) dp[0]=1 mod=10**9+7 a=[False for _ in range(N+1)] for _ in range(M): a[int(eval(input()))]=True for i in range(1,N+1): if a[i]: continue dp[i]=(dp[i-1]+dp[i-2])%mod print((dp[N]))
p03013
import sys input = sys.stdin.readline MOD = 10 ** 9 + 7 def main(): N, M = list(map(int, input().split())) memo = [0] * max((N + 1), 10) a = [0] * M memo[0] = 1 memo[1] = 1 memo[2] = 2 for i in range(3, max(N+1, 10)): memo[i] = memo[i-1] + memo[i-2] # print(...
import sys input = sys.stdin.readline MOD = 10 ** 9 + 7 MIN = 100 def main(): N, M = list(map(int, input().split())) memo = [0] * max((N + 1), MIN) a = [0] * M memo[0] = 1 memo[1] = 1 memo[2] = 2 for i in range(3, max(N+1, MIN)): memo[i] = memo[i-1] + memo[i-2] ...
p03013
import sys input = sys.stdin.readline MOD = 10 ** 9 + 7 MIN = 100 def main(): N, M = list(map(int, input().split())) memo = [0] * max((N + 1), MIN) a = [0] * M memo[0] = 1 memo[1] = 1 memo[2] = 2 for i in range(3, max(N+1, MIN)): memo[i] = memo[i-1] + memo[i-2] ...
import sys input = sys.stdin.readline MOD = 10 ** 9 + 7 MIN = 100 def org(N, M, dp): a = [0] * M dp[0] = 1 dp[1] = 1 dp[2] = 2 for i in range(3, max(N+1, MIN)): dp[i] = dp[i-1] + dp[i-2] ans = 1 for i in range(M): a[i] = int(eval(input())) ...
p03013
import sys,math N,M = list(map(int,input().split())) a = [int(eval(input())) for i in range(M)] dp = [0] * (N+1) mod = 10**9+7 for i in range(N,-1,-1): if i in a: continue elif i == N or i == N-1: dp[i] = 1 else: dp[i] = (dp[i+1] + dp[i+2])%mod print((dp[0]))
import sys,math N,M = list(map(int,input().split())) a = [int(eval(input())) for i in range(M)] b = set(a) dp = [0] * (N+1) mod = 10**9+7 for i in range(N,-1,-1): if i in b: continue elif i == N or i == N-1: dp[i] = 1 else: dp[i] = (dp[i+1] + dp[i+2])%mod print((dp[0]))
p03013
def main(): import sys input = sys.stdin.readline n,m=list(map(int,input().split())) a=[int(eval(input())) for _ in [0]*m] mod=pow(10,9)+7 ans=[0]*n ans[0]=1 for i in range(n): if a.count(i+1)==1: ans[i]=0 else: if i==1: ans[i]=ans[0]+1 elif i>1: ...
def main(): import sys input = sys.stdin.readline n,m=list(map(int,input().split())) mod=pow(10,9)+7 ans=[1]*(n+1) for _ in [0]*m: ans[int(eval(input()))]=0 for i in range(n+1): ans[i]=ans[i] if ans[i]==0 or i<2 else (ans[i-1]+ans[i-2])%mod print((ans[-1])) if __name__ == '__main__': ...
p03013
maxNum, brokenCount= list(map(int, input().split())) brokenIndexSet= set([int(eval(input())) for i in range(brokenCount)]) ans = [0]*(maxNum + 1) ans[0] = 1 #print(ans[-1]) for i in range(1, maxNum + 1): if i in brokenIndexSet: ans[i] = 0 else: ans[i] = (ans[i - 1] + ans[i - 2])...
maxNum, brokenCount= list(map(int, input().split())) brokenIndexSet= set([int(eval(input())) for i in range(brokenCount)]) ans = [0]*(maxNum+2) ans[maxNum] = 1 for i in reversed(list(range(maxNum))): if i in brokenIndexSet: ans[i] = 0 else: ans[i] = (ans[i+1] + ans[i+2]) % 10000000...
p03013
N,M=list(map(int,input().split())) list1=[int(eval(input())) for i in range(M)] list2=[1] if 1 in list1: list2.append(0) else: list2.append(1) for i in range(N-1): if i+2 in list1: list2.append(0) else: list2.append((list2[i]+list2[i+1])%1000000007) print((list2[N]))
N,M=list(map(int,input().split())) list1=set([int(eval(input())) for i in range(M)]) list2=[1]+[0]*N if not 1 in list1: list2[1]=1 for i in range(N-1): if not i+2 in list1: list2[i+2]=(list2[i]+list2[i+1])%1000000007 print((list2[N]))
p03013