Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
from collections import*
n=int(input())
d=defaultdict(list)

start=float("inf")
for i in range(n-1):
    a,b=map(int,input().split())
    d[a].append(b)
    d[b].append(a)
    start=min(a,start)
p=sorted(map(int,input().split()))

def DFS(point,TFlist):
    global ans
    global score
    if all(TFlist):
        return 1
    for i in d[point]:
        if TFlist[i-1]:
            continue
        TFlist[i-1]=True
        tmp=p.pop()
        ans[i-1]=tmp
        score.append(tmp)
        #print(score)
        DFS(i,TFlist)
        TFlist[i-1]=False
    return score,ans

TFlist=[False]*(n)
TFlist[start-1]=True
ans=[0 for i in range(n)]
score=[]
ans[start-1]=p.pop()
s,t=DFS(start,TFlist)
#print(d)
print(sum(s))
print(*t)

Fixed submission:
import sys;sys.setrecursionlimit(10**6)
from collections import*
n=int(input())
d=defaultdict(list)

start=float("inf")
for i in range(n-1):
    a,b=map(int,input().split())
    d[a].append(b)
    d[b].append(a)
    start=min(a,start)
p=sorted(map(int,input().split()))

def DFS(point,TFlist):
    global ans
    global score
    if all(TFlist):
        return 1
    for i in d[point]:
        if TFlist[i-1]:
            continue
        TFlist[i-1]=True
        tmp=p.pop()
        ans[i-1]=tmp
        score.append(tmp)
        #print(score)
        DFS(i,TFlist)
        TFlist[i-1]=False
    return score,ans

TFlist=[False]*(n)
TFlist[start-1]=True
ans=[0 for i in range(n)]
score=[]
ans[start-1]=p.pop()
s,t=DFS(start,TFlist)
#print(d)
print(sum(s))
print(*t)

Buggy python submission (verdict: Runtime Error):
from collections import*
n=int(input())
d=defaultdict(list)

start=float("inf")
for i in range(n-1):
    a,b=map(int,input().split())
    d[a].append(b)
    b[a].append(a)
    start=min(a,start)
p=sorted(map(int,input().split()))

def DFS(point,TFlist):
    global ans
    global score
    if all(TFlist):
        return 1
    for i in d[point]:
        if TFlist[i-1]:
            continue
        TFlist[i-1]=True
        tmp=p.pop()
        ans[i-1]=tmp
        score.append(tmp)
        #print(score)
        DFS(i,TFlist)
        TFlist[i-1]=False
    return score,ans

TFlist=[False]*(n)
TFlist[start-1]=True
ans=[0 for i in range(n)]
score=[]
ans[start-1]=p.pop()
s,t=DFS(start,TFlist)
#print(d)
print(sum(s))
print(*t)

Fixed submission:
import sys;sys.setrecursionlimit(10**6)
from collections import*
n=int(input())
d=defaultdict(list)

start=float("inf")
for i in range(n-1):
    a,b=map(int,input().split())
    d[a].append(b)
    d[b].append(a)
    start=min(a,start)
p=sorted(map(int,input().split()))

def DFS(point,TFlist):
    global ans
    global score
    if all(TFlist):
        return 1
    for i in d[point]:
        if TFlist[i-1]:
            continue
        TFlist[i-1]=True
        tmp=p.pop()
        ans[i-1]=tmp
        score.append(tmp)
        #print(score)
        DFS(i,TFlist)
        TFlist[i-1]=False
    return score,ans

TFlist=[False]*(n)
TFlist[start-1]=True
ans=[0 for i in range(n)]
score=[]
ans[start-1]=p.pop()
s,t=DFS(start,TFlist)
#print(d)
print(sum(s))
print(*t)
Buggy python submission (verdict: Runtime Error):
import sys;input=sys.stdin.readline
from bisect import*

n,q=map(int,input().split())
event=[]
stopped=set([-1])

def doevent(l):
    global stopped
    if l[1]==1:
        if stopped=={-1}:
            stopped=set()
        stopped.add(l[2])
    elif l[1]==-1:
        if l[2] in stopped:
            stopped.remove(l[2])
        if len(stopped)==0:
            stopped={-1}
            
for i in range(n):
    s,t,x=map(int,input().split())
    event.append((s-x,1,x))
    event.append((t-x,-1,x))
event.append((-float("inf"),"x","x"))
event.append((float("inf"),"x","x"))
event.sort(key=lambda x:x[0])
eventtime=[i[0]for i in event]
#print(eventtime)
query=[bisect_right(eventtime,int(input()))-1 for i in range(q)]+[float("inf")]
#print(query)
c=0
#print(event)
for i in range(2*n+1):
    doevent(event[i])
    while i==query[c]:
        print(min(stopped))
        c+=1


Fixed submission:
a,p=map(int,input().split())
print((a*3+p)//2)

Buggy python submission (verdict: Runtime Error):
import sys;input=sys.stdin.readline
from bisect import*

n,q=map(int,input().split())
event=[]
stopped={-1}

def doevent(l):
    global stopped
    if l[1]==1:
        if stopped=={-1}:
            stopped=set()
        stopped.add(l[2])
    elif l[1]==-1:
        stopped.remove(l[2])
        if len(stopped)==0:
            stopped={-1}
            
for i in range(n):
    s,t,x=map(int,input().split())
    event.append((s-x,1,x))
    event.append((t-x,-1,x))
event.append((-float("inf"),"x","x"))
event.append((float("inf"),"x","x"))
event.sort(key=lambda x:x[0])
eventtime=[i[0]for i in event]
#print(eventtime)
query=[bisect_right(eventtime,int(input()))-1 for i in range(q)]
#print(query)
c=0
#print(event)
for i in range(2*n):
    doevent(event[i])
    while i==query[c]:
        print(min(stopped))
        c+=1
        if c==q:
            break
for i in range(query.count(2*n)):
    print(-1)


Fixed submission:
a,p=map(int,input().split())
print((a*3+p)//2)
Buggy python submission (verdict: Runtime Error):
from numpy import*
n,m=map(int,input().split())
l=[]
for i in range(m):
    *a,=map(int,input().split())
    l.append(a[1:])
*p,=map(int,input().split())

ans=0
for t in range(2**m):
    tmp=array([t>>s&1 for s in range(m)])
    if p==[sum(tmp[array(i)-1])%2for i in l]:
        ans+=1
print(ans)

Fixed submission:
from numpy import*
n,m=map(int,input().split())
l=[]
for i in range(m):
    *a,=map(int,input().split())
    l.append(a[1:])
*p,=map(int,input().split())

ans=0
for t in range(2**n):
    tmp=array([t>>s&1 for s in range(n)])
    if p==[sum(tmp[array(i)-1])%2for i in l]:
        ans+=1
print(ans)
Buggy python submission (verdict: Runtime Error):
from heapq import*
n,m=map(int,input().split())
p=sorted(map(int,input().split()))
heapify(p)
q=sorted([list(map(int,input().split()))for i in range(m)],key=lambda x:x[1],reverse=1)

for s,t in q:
    for i in range(s):
        tmp=heappop(p)
        if t>tmp:
            heappush(p,t)
        else:
            heappush(p,tmp)
            print(sum(p))
            exit()
print(sum(p))
#    print(p,q)

Fixed submission:
a,b=map(int,input().split())
if a>12:
    print(b)
elif 6<=a<=12:
    print(b//2)
else:
    print(0)
Buggy python submission (verdict: Time Limit Exceeded):
from heapq import*
n,m,*p=map(int,open(0).read().split());a=p[:n];heapify(a)
for s,t in sorted([p[n:][i:i+2]for i in range(0,m*2,2)],key=lambda x:x[1])[::-1]:
    for i in range(s):
        tmp=heappop(a)
        if t>tmp:
            heappush(a,t)
        else:
            heappush(a,tmp)
            print(sum(a))
            exit()
print(sum(a))

Fixed submission:
from heapq import*
n,m=map(int,input().split())
p=sorted(map(int,input().split()))
heapify(p)
q=sorted([list(map(int,input().split()))for i in range(m)],key=lambda x:x[1],reverse=1)

for s,t in q:
    for i in range(s):
        tmp=heappop(p)
        if t>tmp:
            heappush(p,t)
        else:
            heappush(p,tmp)
            print(sum(p))
            exit()
print(sum(p))
#    print(p,q)
Buggy python submission (verdict: Time Limit Exceeded):
from heapq import*
L,R=[],[]
n=int(input())
B=0
cnt=0
for i in range(n):
    I=input()
    if I[0]=="1":
        a,b,c=map(int,I.split())
        B+=c
        cnt+=1
        if cnt%2:
            x=heappushpop(R,b)
            heappush(L,-x)
        else:
            x=heappushpop(L,-b)
            heappush(R,-x)
    else:
        med=-L[0]
#        print(L,R)
        print(med,med*(len(L)-len(R))+sum(L)+sum(R)+B)

Fixed submission:
from heapq import*
L,R=[],[]
n=int(input())
B=0
cnt=0
l,r=0,0
for i in range(n):
    I=input()
    if I[0]=="1":
        a,b,c=map(int,I.split())
        B+=c
        cnt+=1
        
        if cnt%2:
            x=heappushpop(R,b)
            r+=b-x
            heappush(L,-x)
            l+=-x
        else:
            x=heappushpop(L,-b)
            l+=-b-x
            heappush(R,-x)
            r+=-x
        #print(L,R,l,r)
        #print(b,x)
    else:
        med=-L[0]
#        print(L,R)
#        print(l,r)
        print(med,cnt%2*med+B+l+r)
Buggy python submission (verdict: Runtime Error):
m,k=map(int,input().split())

if k==0:
    x=[[i]*2 for i in range(2**m)]
    for i in x:
        print(*i,end=" ")
elif m==1:
    print(-1)
elif 2**m<=k:
    print(-1)
else:
    s=set()
    for i in range(m):
        s.add(i)
    a=sorted(s-set(k))
    b=a+[k]+a[::-1]+[k]
    print(*b)

Fixed submission:
m,k=map(int,input().split())

if k==0:
    x=[[i]*2 for i in range(2**m)]
    for i in x:
        print(*i,end=" ")
elif m==1:
    print(-1)
elif 2**m<=k:
    print(-1)
else:
    for i in reversed(range(2**m)):
        if i!=k:
            print(i,end=" ")
    print(k,end=" ")
    for i in range(2**m):
        if i!=k:
            print(i,end=" ")
    print(k)

Buggy python submission (verdict: Runtime Error):
m,k=map(int,input().split())

if k==0:
    x=[[i]*2 for i in range(2**m)]
    for i in x:
        print(*i,end=" ")
elif m==1:
    print(-1)
elif 2**m<=k:
    print(-1)
else:
    a=sorted(set(range(m))-set(k))
    b=a+[k]+a[::-1]+[k]
    print(*b)

Fixed submission:
m,k=map(int,input().split())

if k==0:
    x=[[i]*2 for i in range(2**m)]
    for i in x:
        print(*i,end=" ")
elif m==1:
    print(-1)
elif 2**m<=k:
    print(-1)
else:
    for i in reversed(range(2**m)):
        if i!=k:
            print(i,end=" ")
    print(k,end=" ")
    for i in range(2**m):
        if i!=k:
            print(i,end=" ")
    print(k)
Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int,input().split())
ans=0
for x in range(n//r):
    for y in range(n//g):
        if (d-x*a+y*b)//c==0:
            ans+=1
print(ans)

Fixed submission:
a,b=map(int,input().split())
print(a-(b-1))

Buggy python submission (verdict: Runtime Error):
r,g,b,n=map(int,input().split())
ans=0
for i in range(n//r+1):
    for j in range(n//g+1):
        if (n-(r*i+g*j))%b==0:
            if (n-(r*i+g*j))//b>=0:
                ans+=1
print(ans)

Fixed submission:
a,b=map(int,input().split())
print(a-(b-1))
Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int,input().split())
ans=0
for x in range(n//r):
    for y in range(n//g):
        if (d-x*a+y*b)//c==0:
            ans+=1
print(ans)

Fixed submission:
r,g,b,n=map(int,input().split())
ans=0
for i in range(n//r+1):
    for j in range(n//g+1):
        if (n-(r*i+g*j))%b==0:
            if (n-(r*i+g*j))//b>=0:
                ans+=1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
r,g,b,n=map(int,input().split())
ans=0
for i in range(n//r+1):
    for j in range(n//g+1):
        if (n-(r*i+g*j))%b==0:
            if (n-(r*i+g*j))//b>=0:
                ans+=1
print(ans)

Fixed submission:
r,g,b,n=map(int,input().split())
ans=0
for i in range(n//r+1):
    for j in range(n//g+1):
        if (n-(r*i+g*j))%b==0:
            if (n-(r*i+g*j))//b>=0:
                ans+=1
print(ans)
Buggy python submission (verdict: Runtime Error):
from collections import*
def dv(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
 
    # divisors.sort()
    return Counter(divisors)
 
n,*a=map(int,open(0).read().split())
ans=Counter()
for i in range(n):
    ans+=dv(a[i])
l=[]
for k,v in ans.items():
    if v==n-1 or v==n:
        l.append(k)
print(max(l))

Fixed submission:
a,b,t=map(int,input().split())
t+=0.5
print(int(t//a*b))
Buggy python submission (verdict: Runtime Error):
from numpy import*
from itertools import*
n=int(input())
s=input()
t=s.count("#")
r=s.count(".")

l=[t,r]
x=[len(list(v))for k,v in groupby(s)if k=="#"]
y=[len(list(v))for k,v in groupby(s)if k=="."]
if len(x)>len(y):
    y=[0]+y
elif len(x)<len(y):
    x=[0]+x
else:
    y=y+[0]
    x=[0]+x

x=array([0]+list(accumulate(x)))
y=array(list(accumulate(y[::-1]))[::-1]+[0])
print(min(x+y))


Fixed submission:
a,b,c=map(int,input().split())
if a<c<b or b<c<a:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
from itertools import*
n=int(input())
s=input()
t=[len(list(v)) for k,v in groupby(s)]
r=s.count("#")
l=0
ans=[r,s.count(".")]

if s[0]=="#":
    for i in range(0,len(t)//2+1,2):
        r-=t[i+1]
        l+=t[i]
        ans.append(r+l)
else:
    for i in range(1,len(t)//2+1,2):
        r-=t[i+1]
        l+=t[i]
        ans.append(r+l)
print(min(ans))

Fixed submission:
n=int(input())
s=input()
r=s.count(".")
ans=[r]
for i in s:
    if i=="#":
        r+=1
    else:
        r-=1
    ans.append(r)
print(min(ans))

Buggy python submission (verdict: Runtime Error):
from numpy import*
from itertools import*
n=int(input())
s=input()
t=s.count("#")
r=s.count(".")
 
l=[t,r]
x=[len(list(v))for k,v in groupby(s)if k=="#"]
y=[len(list(v))for k,v in groupby(s)if k=="."]
if len(x)>len(y):
    y=[0]+y
elif len(x)<len(y):
    x=[0]+x
else:
    if s[0]=="#":
        y=[0]+y
        x=x+[0]
    else:
        y=y+[0]
        x=[0]+x
 
x=array([0]+list(accumulate(x)))
y=array(list(accumulate(y[::-1]))[::-1]+[0])
print([min(x+y),t,r]))

Fixed submission:
n=int(input())
s=input()
r=s.count(".")
ans=[r]
for i in s:
    if i=="#":
        r+=1
    else:
        r-=1
    ans.append(r)
print(min(ans))

Buggy python submission (verdict: Runtime Error):
from numpy import*
from itertools import*
n=int(input())
s=input()
t=s.count("#")
r=s.count(".")

x=[len(list(v))for k,v in groupby(s)if k=="#"]
y=[len(list(v))for k,v in groupby(s)if k=="."]
if len(x)>len(y):
    y=[0]+y
elif len(x)<len(y):
    x=[0]+x
else:
    if s[0]=="#":
        y=[0]+y
        x=x+[0]
    else:
        y=y+[0]
        x=[0]+x
 
x=array([0]+list(accumulate(x)))
y=array(list(accumulate(y[::-1]))[::-1]+[0])
print(min(x+y,t,r))

Fixed submission:
n=int(input())
s=input()
r=s.count(".")
ans=[r]
for i in s:
    if i=="#":
        r+=1
    else:
        r-=1
    ans.append(r)
print(min(ans))

Buggy python submission (verdict: Runtime Error):
from numpy import*
from itertools import*
n=int(input())
s=input()
t=s.count("#")
r=s.count(".")

l=[t,r]
x=[len(list(v))for k,v in groupby(s)if k=="#"]
y=[len(list(v))for k,v in groupby(s)if k=="."]
if len(x)>len(y):
    y=[0]+y
elif len(x)<len(y):
    x=[0]+x
else:
    if s[0]=="#":
        y=[0]+y
        x=x+[0]
    else:
        y=y+[0]
        x=[0]+x
x=array(list(accumulate(x)))
y=array(list(accumulate(y[::-1]))[::-1]+[0]*(s[-1]=="#"))
print(min(x+y))

Fixed submission:
n=int(input())
s=input()
r=s.count(".")
ans=[r]
for i in s:
    if i=="#":
        r+=1
    else:
        r-=1
    ans.append(r)
print(min(ans))
Buggy python submission (verdict: Runtime Error):
X, Y, Z, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))
ab=sorted(s+t for t in B for s in A)[-1:-K-1:-1]
abc=sorted(i+x for i in ab for x in C)[-1:-K-1:-1]
print(*abc,sep="\n")X, Y, Z, K = map(int, input().split())


Fixed submission:
from itertools import*
a,b,c,d,e,k=map(int,open(0).read().split())
x=[a,b,c,d,e]
for i in combinations(x,2):
    p,q=list(i)
    if abs(p-q)>k:
        print(":(")
        exit()
print("Yay!")

Buggy python submission (verdict: Runtime Error):
x,y,z,k=map(int,input().split())
a=tuple(map(int,input().split()))
b=tuple(map(int,input().split()))
c=tuple(map(int,input().split()))
 
def f(p,q):
    return sorted([i+j for j in q for i in p])[::-1][:k]
 
if x+y<y+z:
    for i in sorted(f(c,f(a,b)))[::-1][:k]:
        print(i)
elif x+z<y+z:
    for i in sorted(f(b,f(a,c)))[::-1][:k]:
        print(i)
else:
    for i in sorted(f(a,f(b,c)))[::-1][:k]:
        print(i)

Fixed submission:
from itertools import*
a,b,c,d,e,k=map(int,open(0).read().split())
x=[a,b,c,d,e]
for i in combinations(x,2):
    p,q=list(i)
    if abs(p-q)>k:
        print(":(")
        exit()
print("Yay!")

Buggy python submission (verdict: Runtime Error):
from itertools import*
x,y,z,k=map(int,input().split())
a=map(int,input().split())
b=map(int,input().split())
c=map(int,input().split())
#print(a,b,c)
for e in sorted(sum(i)for i in product(a,b,c))[::-1][:k]:
    print(e)

Fixed submission:
from itertools import*
a,b,c,d,e,k=map(int,open(0).read().split())
x=[a,b,c,d,e]
for i in combinations(x,2):
    p,q=list(i)
    if abs(p-q)>k:
        print(":(")
        exit()
print("Yay!")
Buggy python submission (verdict: Runtime Error):
n,q=map(int,input().split())
s=input()
p=[input().split() for i in range(q)]
def judge_l(x):
    for(k,v)in p:
        if k==s[x]:
            if v=="L":
                x-=1
            else:
                x+=1
        if x<0:
            return True
        elif x>n-1:
            return False
    return False

def judge_r(x):
    for(k,v)in p:
        if k==s[x]:
            if v=="L":
                x-=1
            else:
                x+=1
        if x<0:
            return False
        elif x>n-1:
            return True
    return False

ok=0
ng=n+1

while abs(ok-ng)>1:
    mid=(ok+ng)//2
    if judge_l(mid):
        ok=mid
    else:
        ng=mid
l=ok+1

ok=n
ng=-1

while abs(ok-ng)>1:
    mid=(ok+ng)//2
    if judge_r(mid):
        ok=mid
    else:
        ng=mid
r=n-ok
#print(l,r)
print(max(n-l-r,0))

Fixed submission:
n,q=map(int,input().split())
s=[0]+list(input())+[0]
a=[input().split()for i in range(q)][::-1]
l,r=0,n+1
for(m,h)in a:
    if m==s[l+1]and h=="L":
        l+=1
    elif m==s[l]and h=="R":
        l-=1
    if m==s[r-1]and h=="R":
        r-=1
    elif m==s[r]and h=="L":
        r+=1
print(max(0,r-l-1))

Buggy python submission (verdict: Time Limit Exceeded):
from collections import*
n,q=map(int,input().split())
d=defaultdict(list)
for k,v in enumerate(input()):
    d[v].append(k)
#print(d)
golem=[1]*n

for i in range(q):
    a,b=input().split()
    if b=="L":
        for i in d[a]:
            if i-1>-1:
                golem[i-1]+=golem[i]
                golem[i]=0
            else:
                golem[i]=0
    else:
        for i in d[a]:
            if i+1<n:
                golem[i+1]+=golem[i]
                golem[i]=0
            else:
                golem[i]=0
print(sum(golem))


Fixed submission:
n,q=map(int,input().split())
s=[0]+list(input())+[0]
a=[input().split()for i in range(q)][::-1]
l,r=0,n+1
for(m,h)in a:
    if m==s[l+1]and h=="L":
        l+=1
    elif m==s[l]and h=="R":
        l-=1
    if m==s[r-1]and h=="R":
        r-=1
    elif m==s[r]and h=="L":
        r+=1
print(max(0,r-l-1))
Buggy python submission (verdict: Runtime Error):
s=input()
ans=0
l=[]
for i in range(len(s)):
    if s[i] in "ACGT":
        ans+=1        
        
    else:
        l.append(ans)
        ans=0
#print(l)
print(max(l))

Fixed submission:
s=input()
ans=0
l=[]
for i in range(len(s)):
    #print(s[i],s[i]in"ACGT")
    if s[i] in "ACGT":
        ans+=1
    else:
        l.append(ans)
        ans=0
l.append(ans)
print(max(l))

Buggy python submission (verdict: Runtime Error):
s=input()
ans=0
l=[]
for i in range(len(s)):
    if s[i] not in "ACGT":
        l.append(ans)
        ans=0
    else:
        ans+=1
print(max(l)or 0)

Fixed submission:
s=input()
ans=0
l=[]
for i in range(len(s)):
    #print(s[i],s[i]in"ACGT")
    if s[i] in "ACGT":
        ans+=1
    else:
        l.append(ans)
        ans=0
l.append(ans)
print(max(l))

Buggy python submission (verdict: Runtime Error):
s=input()
ans=0
l=[]
for i in range(len(s)):
    if s[i] not in "ACGT":
        l.append(ans)
        ans=0
    else:
        ans+=1
print(max(l))

Fixed submission:
s=input()
ans=0
l=[]
for i in range(len(s)):
    #print(s[i],s[i]in"ACGT")
    if s[i] in "ACGT":
        ans+=1
    else:
        l.append(ans)
        ans=0
l.append(ans)
print(max(l))
Buggy python submission (verdict: Time Limit Exceeded):
a,b=map(int,input().split())
s=input()
for i in range(b):
    c,d=map(int,input().split())
    print(s[c-1:d].count("AC"))

Fixed submission:
from itertools import*
a,b=map(int,input().split())
s=input()
table=[0]*(a-1)
for i in range(a-1):
    if s[i:i+2]=="AC":
        table[i]=1
x=[0]+list(accumulate(table))
for i in range(b):
    c,d=map(int,input().split())
    print(x[d-1]-x[c-1])
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import*;n=int(input());i=input();print(sum(len(f)==len(set(f))for g in[combinations(i,r)for r in range(1,n+1)]for f in g))

Fixed submission:
from collections import*
n=int(input())
ans=1
for i in Counter(input()).values():
    ans*=(i+1)
print((ans-1)%(10**9+7))

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import*;input();i=input();l=[]
for r in range(1,len(i)+1):l.extend(combinations(i,r))
print(sum(len(s)==len(set(s))for s in l))

Fixed submission:
from collections import*
n=int(input())
ans=1
for i in Counter(input()).values():
    ans*=(i+1)
print((ans-1)%(10**9+7))
Buggy python submission (verdict: Runtime Error):
from itertools import*
a,b=map(int,input().split())
L=[]
for i in range(100):
    if a<=2**i<=b:
        L.append(2**i)
l=[]
for s in L:
    if (b-s)%2==0:
        l.append(1)
for s in range(a,l[0]+1):
    

Fixed submission:
a,b=map(int,input().split())
def f(x):
    if x%4==0:
        return x
    elif x%4==1:
        return 1
    elif x%4==3:
        return 0
    else:
        return x+1
print(f(a-1)^f(b))
Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=len(s)
b=10**5+1
while True:
    b=len(s)
    s=s.replace("10","")
    c=len(s)
    if c==b:
        break
while True:
    b=len(s)
    s=s.replace("01","")
    c=len(s)
    if c==b:
        break
print(a-c)

Fixed submission:
s=input()
print(len(s)-abs(s.count("1")-s.count("0")))

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=len(s)
b=10**5+1
while True:
#    print(a,b)
    b=len(s)
    s=s.replace("10","")
    s=s.replace("01","")
    c=len(s)
    if c==b:
        break
print(a-c)

Fixed submission:
s=input()
print(len(s)-abs(s.count("1")-s.count("0")))

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=len(s)
b=10**5+1
while True:
#    print(a,b)
    b=len(s)
    s=s.replace("10","")
    s=s.replace("01","")
    c=len(s)
    if c==b:
        break
print(a-c)

Fixed submission:
s=input()
print(len(s)-abs(s.count("1")-s.count("0")))