Buggy python submission (verdict: Runtime Error):
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
if d[0]==1:
    print(total+1)
else:
    print(total)







Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
r=set()
last=0
power=0
d={0:0}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(pow(10,power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
if d[0]==1:
    print(total+1)
else:
    print(total)







Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
r=set()
last=0
power=0
d={0:0}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(10**(power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
if d[0]==1:
    print(total+1)
else:
    print(total)







Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
r=set()
last=0
power=0
d={0:0}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(10**(power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
if d[0]==1:
    print(total+1)
else:
    print(total)







Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
r=set()
last=0
power=0
d={0:0}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(10**(power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
total+=d[0]
print(total)







Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
r=set()
last=0
power=0
d={0:0}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(10**(power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
total+=d[0]
print(total)







Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Runtime Error):
s=input()
r=set()
last=0
power=0
d={}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(10**(power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem==0:
        total+=1
        r.add(rem)
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1
        
print(total)

Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
r=set()
last=0
power=0
d={}
total=0
for i in range(len(s)-1,-1,-1):
    n=int(s[i])*(10**(power))+last
    power+=1
    last=n%2019
    rem=n%2019
    if rem==0:
        total+=1
    if rem in r:
        d[rem]+=1
        total+=d[rem]-1
    else:
        r.add(rem)
        d[rem]=1

print(total)


Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
c=0
for k in range(4,len(s)+1):
  for i in range(0,len(s)+1-k):
    if int(s[i:i+k])%2019==0:
      c+=1
print(c)

Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
c=0
for k in range(4,len(s)+1):
  for i in range(0,len(s)+1-k):
    if int(s[i:i+k])%2019==0:
      c+=1
print(c)

Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])

Buggy python submission (verdict: Runtime Error):
s=input()
c=0
for k in range(4,len(s)+1):
  for i in range(0,s+1-k):
    if int(s[i:i+k])%2019==0:
      c+=1
print(c)
  

Fixed submission:
s=input()
r=set()
last=0
power=1
d={0:0}
total=0
rem=0
for i in range(len(s)-1,-1,-1):#handling of 0's as n and rem
    n=int(s[i])*power+rem
    power*=10
    power=power%2019
    rem=n%2019
    if rem in d.keys():
        d[rem]+=1
    else:
        d[rem]=1
    total+=d[rem]-1
print(total+d[0])