problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p02683
s261789883
Accepted
N,M,X = map(int, input().split()) def python_list_add(in1, in2): return [a + b for a, b in zip(in1, in2)] A = [] for i in range(N): A.append(list(map(int, input().split()))) m = 1e9 for i in range(2 ** N): total = [0] * (M+1) for j in range(N): if((i >> j) & 1): total = python_list_add(total, A[j]) if(all(elem >= X for elem in total[1:])): m = min(total[0],m) if m == 1e9: m = -1 print(m)
p03221
s275567046
Wrong Answer
n, m = map(int, input().split()) name = [] city = [] prefecture = [1] * n for i in range(m): a = list(map(int, input().split())) + [i+1] city.append(a) name.append("{}{}".format("0" * (6 - len(str(a[0]))), a[0])) city_1 = sorted(city, key=lambda x: x[0]) city_sorted = sorted(city, key=lambda x: x[1]) x = 1 for i in range(m): p, y, num = city_sorted[i] x = prefecture[p-1] name[num-1] += "{}{}".format("0" * (6 - len(str(x))), x) x += 1 for i in name: print(i)
p03076
s876000380
Accepted
import math a=[] first=[] for i in range(5): temp=str(input()) a.append(temp) first.append(int(temp[-1])) nin=0 nva=9 for i in range(5): if first[i]!=0 and first[i]<nva: nin=i nva=first[i] ans=0 for i in range(5): if i!=nin: temmp=int(a[i]) temmp=math.ceil((temmp-0.5)/10)*10 ans+=temmp else: ans+=int(a[i]) print(ans)
p03543
s734237451
Wrong Answer
n = list(input()) if len(set(n))==1: print('Yes') elif n[0]==n[1] and n[1]==n[2]: print('Yes') elif n[1]==n[2] and n[1]==n[2]: print('Yes') else: print('No')
p02910
s486590563
Accepted
S = list(input()) S_odd = S[0::2] S_even= S[1::2] o = set(S_odd).issubset(set(["R","U", "D"])) e = set(S_even).issubset(set(["L","U", "D"])) if o + e == 2: print("Yes") else: print("No")
p02576
s904591709
Accepted
N, X, T = map(int, input().split()) print((N + X - 1) // X * T)
p03438
s657952149
Accepted
import math n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) sum_a = sum(a) sum_b = sum(b) num_b = 0 num_a = 0 for i in range(n): if a[i] > b[i]: num_b += a[i] - b[i] else: num_a += math.ceil((b[i]-a[i])/2) if sum_b-sum_a >= num_b and sum_b-sum_a >= num_a: print('Yes') else: print('No')
p02881
s405124896
Wrong Answer
import itertools from operator import mul n = int(input()) k = n ans = n - 1 prime = [] while k != 1: for i in range(2,int(k**0.5)+1): if k % i == 0: prime.append(i) k /= i break else: prime.append(int(k)) k = 1 div = list(itertools.accumulate(prime,mul)) for i in div: ans = min(ans,i + n//i -2) print(ans)
p02777
s636382909
Accepted
S,T = list(map(str,input().split())) A,B = list(map(int,input().split())) U = input() if S == U: A = A - 1 else: B = B - 1 print(A,' ',B,sep='')
p02700
s928418765
Accepted
def main(): import sys A,B,C,D=map(int,input().split()) for i in range(100): A=A-D C=C-B if C<=0: print("Yes") sys.exit() elif A<=0: print("No") sys.exit() if __name__ == '__main__': main()
p03998
s955049249
Accepted
l=[] ind=["a","b","c"] for i in range(3): l.append([i for i in input()]) next=l[0][0] now=0 while True: if not l[now]: print(ind[now].upper()) break next=l[now][0] l[now].pop(0) now=ind.index(next)
p03067
s349214508
Accepted
def LI(): return list(map(int, input().split())) A, B, C = LI() if A < C < B or B < C < A: ans = "Yes" else: ans = "No" print(ans)
p02838
s813369430
Accepted
N = int(input()) A = list(map(int,input().split())) ans = 0 mod = 10**9+7 c = [0]*62 for i in range(N): a = format(A[i],'b') a = a[::-1] for j in range(len(a)): if a[j] == '1': c[j] += 1 k = 1 for i in range(len(c)): p = c[i]*(N-c[i]) ans += k*(p % mod) % mod k = k*2 % mod print(ans%mod)
p02951
s391225068
Accepted
a,b,c = map(int,input().split()) if((a-b) <= c): print(c-(a-b)) else: print(0)
p03817
s607607082
Accepted
N=int(input()) turn=N//11*2 if N%11>6: print(turn+2) elif N%11>0: print(turn+1) else: print(turn)
p02658
s751861433
Accepted
if __name__ == "__main__": N = int(input()) A = sorted(list(map(int, input().split()))) ans = 1 for i in range(N): ans *= A[i] if ans > 10**18: print(-1) break else: print(ans)
p02584
s295385360
Accepted
X, K, D = map(int, input().split()) if X - K * D >= 0: print(abs(X - K * D)) elif X + K * D <= 0: print(abs(X + K * D)) else: i = (D * K - X) // (2 * D) print(min( abs(X - D * K + 2 * i * D), abs(X - D * K + 2 * (i+1) * D) ))
p02554
s278288493
Accepted
N = int(input()) MOD = 1000000000 + 7 def power_func(a, n, p): bi = str(format(n,"b"))#2進表現に res = 1 for i in range(len(bi)): res = (res*res) % p if bi[i] == "1": res = (res*a) % p return res print(str((power_func(10, N, MOD) - 2 * power_func(9, N, MOD) + power_func(8, N, MOD)) % MOD))
p02817
s958390644
Accepted
a, b = list(map(str, input().split())) my_result = b + a print(str(my_result))
p03592
s808309664
Accepted
# coding: utf-8 n, m, k = map(int,input().split()) flg=False for i in range(n+1): for j in range(m+1): if i*m + (n-i)*j - i*j == k: flg=True if flg: print("Yes") else: print("No")
p02705
s926829851
Accepted
import numpy as np pi=np.pi R=int(input()) print(2*pi*R)
p02783
s286902946
Accepted
L = input().split() H, A = int(L[0]), int(L[1]) t = 0 while H > 0: H -= A t += 1 print(str(t))
p02688
s865680846
Wrong Answer
n,k=map(int,input().split()) d=[] l=[] for i in range(k): d=int(input()) l.append(map(int,input().split())) x=set(l) x=list(x) print(n-len(x))
p02761
s480357331
Accepted
n,m=map(int,input().split()) li=[0]*n for i in range(m): si,ci=map(int,input().split()) if li[si-1] != 0 and li[si-1] !=ci: print(-1) exit(0) if si==1 and ci==0: if n>1: print(-1) exit(0) li[si-1]=ci if n>1 and li[0]==0: li[0]=1 for i in range(n): print(li[i],end="")
p03821
s166946648
Accepted
ans=0 c=[list(map(int,input().split())) for _ in range(int(input()))] for a,b in c[::-1]: if (a+ans)%b: ans+=(-a-ans)%b print(ans)
p03219
s401082230
Accepted
X,Y = map(int,input().split()) print(int(X+Y/2))
p03264
s660319405
Accepted
K = int(input()) if K%2==0: print((K//2)**2) else: print(-(-K//2)*(K//2))
p03327
s913670249
Accepted
N = int(input()) if N <= 999: print('ABC') else: print('ABD')
p03605
s630023537
Wrong Answer
N=str(input()) if N[0]=='9' or N[1]=='9': print('Yes') else: print('NO')
p02724
s887219523
Accepted
a = int(input()) sen = a // 500 go = (a % 500) // 5 print('{}'.format(sen*1000+go*5))
p02786
s039920973
Wrong Answer
H = input() import math print(2**(math.ceil(int(H)/2)+1)-1)
p03317
s268733497
Accepted
import math N, K = map(int, input().split()) print(math.ceil((N-1)/(K-1)))
p03821
s462381612
Accepted
N=int(input()) A=[] B=[] for i in range(N): AB=list(map(int,input().split())) A.append(AB[0]) B.append(AB[1]) ans=0 for i in range(N-1,-1,-1): A[i]+=ans A[i]%=B[i] if A[i]!=0: ans+=B[i]-A[i] print(ans)
p03815
s044406931
Accepted
n = int(input()) ans = (n // 11) * 2 rem = n % 11 if rem > 0 : if rem <= 6: ans += 1 else: ans += 2 print(ans)
p03163
s431565867
Accepted
import sys input = sys.stdin.readline N, W = map(int, input().split()) B = [list(map(int, input().split())) for _ in range(N)] dp = [[0]*(W+1) for _ in range(N+1)] for i in range(N): w, v = B[i] for j in range(W+1): if j-w >= 0: dp[i+1][j] = max(dp[i][j], dp[i][j-w]+v) else: dp[i+1][j] = dp[i][j] print(dp[N][W])
p03944
s390403194
Accepted
W,H,N=map(int,input().split()) l,r,b,t=0,W,0,H for _ in range(N): x,y,a=map(int,input().split()) if a==1: l=max(l,x) elif a==2: r=min(r,x) elif a==3: b=max(b,y) else: t=min(t,y) if l<r and b<t: print((r-l)*(t-b)) else: print(0)
p03745
s153039137
Accepted
n = int(input()) a = list(map(int, input().split())) cnt = 1 mono = 0 for i in range(1, n): d = a[i] - a[i - 1] if d * mono < 0: cnt += 1 mono = 0 elif d != 0: mono = d print(cnt)
p02594
s516328984
Accepted
o = int(input()) if 30 <= o: print("Yes") else: print("No")
p03698
s629125576
Accepted
# -*- coding: utf-8 -*- s = list(str(input())) """ tmp = [s[0]] flag = True for i in s: if i in tmp: flag = False else: tmp.append(i) if flag: print("yes") else: print("no") """ if len(s) == len(set(s)): print("yes") else: print("no")
p03471
s529126690
Accepted
a,b=map(int,input().split()) t=b/1000 List=[-1,-1,-1] for l in range(a+1): if (t-9*l-a)%4==0 and a-l-(t-9*l-a)/4>=0 and t-9*l-a>=0: s=int((t-9*l-a)/4) List=[l,s,a-l-s] break print(*List)
p03282
s597453831
Wrong Answer
s = list(map(int, input())) k = int(input()) res = 1 for i in range(len(s)): if s[i] != 1: res = s[i] break print(res)
p03380
s289301458
Accepted
# coding: utf-8 from math import ceil from bisect import bisect_left N = int(input()) A = list(map(int, input().split())) A.sort() a = A[-1] ans = ceil(a / 2) b = float("inf") for i in range(N-1): if abs(b - ans) > abs(A[i] - ans): b = A[i] print(a, b)
p02897
s427618072
Accepted
n = int(input()) c = 0 for i in range(1,n+1): if i % 2 != 0: c += 1 print(c/n)
p03524
s518641018
Accepted
S = input() Slst = [S.count('a'), S.count('b'), S.count('c')] Slst.sort(reverse=True) x = (len(S)-1) // 3 y = (len(S)-1) % 3 if y == 0: lst = [x+1, x, x] elif y == 1: lst = [x + 1, x+1, x] else: lst = [x+1, x+1, x+1] if lst == Slst: print('YES') else: print('NO')
p02792
s206638080
Accepted
N = int(input()) can_list = [[0 for _ in range(10)] for _ in range(10)] str_list = list(map(str, range(1, N+1))) for n in range(N): idx = str(n + 1)[0] + str(n + 1)[-1] can_list[int(idx[0])][int(idx[1])] += 1 res = 0 for i in range(10): for j in range(10): res += can_list[i][j] * can_list[j][i] print(res)
p02725
s947137462
Accepted
K, N = map(int, input().split()) A = list(map(int, input().split())) dif_max = 0 for i in range(N): if i == 0: dif = A[0] + (K - A[-1]) else: dif = abs(A[i] - A[i-1]) if dif > dif_max: dif_max = dif print(K - dif_max)
p02951
s217857805
Wrong Answer
a, b, c = (int(n) for n in input().split()) print(c - (a - b))
p03160
s782612608
Accepted
# DP practice # https://atcoder.jp/contests/dp/tasks/dp_a # 入力方法としてはこれが手軽 N = int(input()) h = list(map(int, input().split())) dp = list() # N = 0, 1 の時の処理も必要。だが省く dp.append(0) dp.append(dp[0] + abs(h[1] - h[0])) for i in range(2, N): dp.append(min(dp[i-2] + abs(h[i] - h[i-2]), dp[i-1] + abs(h[i] - h[i-1]))) print(dp[N-1])
p02771
s519690803
Wrong Answer
#155 a a,b,c=map(int,input().split()) if a==b==c: print("No") else: print("Yes")
p03695
s781880519
Accepted
n = int(input()) a = list(map(int, input().split())) s = set() cnt = 0 for i in a: if i >= 3200: cnt += 1 else: s.add(i // 400) print(max(1, len(s)), len(s) + cnt)
p02676
s286100439
Accepted
break_line = int(input()) word = input() if len(word) <= break_line: print(word) else: print('{}...'.format(word[:break_line]))
p02570
s869352079
Accepted
D, T, S = map(int, input().split()) if D/S <= T: print("Yes") else: print("No")
p03220
s967195960
Accepted
n=int(input()) t,a=map(int,input().split()) hl=list(map(int,input().split())) #l=[list(map(int,input().split())) for i in range(n)] mn=abs(a-(t-hl[0]*0.006)) temp=[] for i in range(n): mn=min(mn,abs(a-(t-hl[i]*0.006))) temp.append(abs(a-(t-hl[i]*0.006))) print(temp.index(mn)+1)
p02754
s316717757
Accepted
n,a,b=map(int,input().split()) if a==0: print(0) exit() elif b==0: print(n) exit() s=a+b cnt=n//s r=n%s ans=cnt*a+min(a,r) print(ans)
p03241
s574036069
Accepted
import sys from math import sqrt, floor from bisect import bisect_right as bi_r def factorize(n): res = [] for i in range(1, floor(sqrt(n)) + 1): if not n % i: res.append(i) res.append(n // i) return sorted(res) n, m = map(int, sys.stdin.readline().split()) def main(): res = factorize(m) ans = res[bi_r(res, m / n) - 1] return ans if __name__ == '__main__': ans = main() print(ans)
p03836
s991713258
Accepted
sx, sy, tx, ty = map(int, input().split()) ans = '' ans += 'R' * (tx - sx) ans += 'U' * (ty - sy) ans += 'L' * (tx - sx) ans += 'D' * (ty - sy) ans += 'L' ans += 'U' * (ty - sy + 1) ans += 'R' * (tx - sx + 1) ans += 'D' ans += 'R' ans += 'D' * (ty - sy + 1) ans += 'L' * (tx - sx + 1) ans += 'U' print(ans)
p02691
s219283145
Accepted
n = int(input()) mp = list(map(int,input().split())) #Ai + i #j-Aj ans = 0 cnt = [0]*(n+1) for i in range(n-1): j=i+1 a = mp[i]+i if(a<=n): cnt[a] += 1 b = j-mp[j] if(b<0): continue ans += cnt[b] print(ans)
p02640
s862677795
Wrong Answer
N, M = map(int,input().split()) crain = (4 * N - M) / 2 if crain.is_integer() and crain > 0: print("Yes") else: print("No")
p03075
s672549764
Accepted
a,_,_,_,e,k=[int(input()) for i in range(6)] print(":(" if e-a>k else "Yay!")
p03071
s250515299
Wrong Answer
a,b=map(int,input().split()) if a!=b: s=max(a,b) print(s*(s-1)) else: print(a**2)
p02755
s601864684
Accepted
I = 1009 a,b = map(int,input().split());flag=0 for i in range(1,I): x = (i*8)//100;y=(i*10)//100 if(x==a and y==b): print(i) flag=1 break if(flag==0): print(-1)
p03817
s587902457
Accepted
x = int(input()) ans = x//11*2 if x%11 == 0: pass elif x%11 <= 6: ans += 1 else: ans += 2 print(ans)
p03030
s914390779
Accepted
n=int(input()) s = [input().split() for i in range(n)] c=0 for x in s: c+=1 x.append(c) x[1]=str(100-int(x[1])).zfill(3) s.sort(key=lambda x:(x[0],x[1])) for x in s: print(x[2])
p03555
s549255232
Accepted
c = [input() for _ in range(2)] tmp = c[0][0] == c[1][2] and c[0][1] == c[1][1] and c[0][2] == c[1][0] print("YES" if tmp else "NO")
p03076
s787021925
Wrong Answer
A = [] ans = 0 for _ in range(5): a = int(input()) if a % 10 == 0: ans += a else: A.append(a) A.sort(key = lambda x:x%10) for i in range(1, len(A)+1): if A[-i] != A[0]:ans += 10 - (A[-i]%10) + A[-i] else: ans += A[-i] print(ans)
p03719
s063847160
Accepted
a, b, c = map(int, input().split()) if c >= a and c <= b: print("Yes") else: print("No")
p02726
s029820437
Accepted
n,x,y=map(int,input().split()) l=[0 for i in range(n-1)] #print(l) length=0 for i in range(1,n): for j in range(i+1,n+1): length=min(abs(j-i)-1,abs(y-j)+abs(x-i),abs(y-j)+abs(x-i)) #print(i,j,length) l[length]+=1 for i in l: print(i)
p03730
s071127273
Wrong Answer
A, B, C = map(int, input().split()) for i in range(1, 1000): if B*i%A==0: count=1 else: count=0 print("No" if count==0 else "Yes")
p03698
s537477499
Accepted
s = list(input()) ss = set(s) if len(s) == len(ss): print('yes') else: print('no')
p03449
s435685176
Accepted
n=int(input()) candy=[list(map(int,input().split())) for i in range(2)] ans=candy[0][0]+sum(candy[1]) t=ans for i in range(n-1): t+=candy[0][i+1] t-=candy[1][i] if t>ans: ans=t print(ans)
p02947
s473163328
Wrong Answer
N = int(input()) s = [] count=0 for i in range(N): a = list(input()) a.sort() s.append(a) while True: if len(s) == 0: break count += s.count(s[0]) s=[i for i in s if i != s[0]] print(count)
p03565
s666088844
Accepted
S = input()[::-1] T = input()[::-1] n = len(S);m = len(T) a = [] for i in range(0, n - m + 1): f = 1 s = S[i:i+m] for j in range(m): if s[j] not in ["?",T[j]]: f = 0 break if f: a = S[:i] + T + S[i+m:] break if a: print(a.replace('?','a')[::-1]) else: print('UNRESTORABLE')
p02583
s827731027
Accepted
N = int(input()) L = sorted(list(map(int, input().split()))) ans = 0 for i in range(N): for j in range(i + 1, N): for k in range(j + 1, N): if L[i] == L[j] or L[j] == L[k]: pass elif L[i] + L[j] > L[k]: ans += 1 print(ans)
p04020
s947426378
Accepted
N = int(input()) A_list = [] for i in range(N): A = int(input()) A_list.append(A) # print(A_list) ans = 0 tmp = 0 for i in range(len(A_list)): if A_list[i] != 0: if i == len(A_list)-1: tmp += A_list[i] ans += int(tmp/2) else: tmp += A_list[i] else: ans += int(tmp/2) tmp = 0 print(ans)
p02953
s005339503
Accepted
N = int(input()) H = list(map(int,input().split())) s=0 flag = True if N==1: print("Yes") exit() for i in range(N-1): s = max(s,H[i]) if s-H[i+1]>1: flag = False if flag: print("Yes") else: print("No")
p03759
s471501660
Accepted
a, b, c = map(int, input().split()) print("YES" if c - b == b - a else "NO")
p02618
s770833471
Wrong Answer
import random d = int(input()) #365 c = list(map(int, input().split())) # 26個 s = [list(map(int, input().split())) for _ in range(d)] #output t = [random.randint(1,27) for _ in range(d)] for i in range(d): print(t[i])
p03994
s455748068
Accepted
import string s=list(input()) k=int(input()) str=string.ascii_lowercase abc=str+str s_len=len(s) for i in range(s_len): si_inx=abc.index(s[i]) if i==s_len-1: k%=26 s[i]=abc[si_inx+k] break if s[i]=='a': continue if k>=26-si_inx: k-=26-si_inx s[i]='a' else: continue print(''.join(s))
p03481
s765896922
Wrong Answer
import math x,y = map(int,input().split()) n = math.floor(math.log2(y)-math.log2(x)+1) print(n)
p02755
s026142326
Wrong Answer
a,b=input().split() a=int(a) b=int(b) x=10 y=int(x*8/100) z=int(x*10/100) for i in range(10000): if y==a and z==b: print(x) else: x=x+1
p03679
s660523850
Accepted
x,a,b=map(int,input().split()) if b-a<=0: print('delicious') elif b-a<=x: print('safe') elif b-a>=x+1: print('dangerous')
p03605
s335223383
Wrong Answer
x=int(input()) if x==9 or x//10==9: print("Yes") else: print("No")
p03836
s448368895
Wrong Answer
import sys input = sys.stdin.readline sx, sy, tx, ty = map(int, input().split()) mov_x = tx - sx mov_y = ty - sy ans = '' ans += 'R' * mov_x ans += 'U' * mov_y ans += 'L' * mov_x ans += 'D' * mov_y ans += 'D' ans += 'R' * (mov_x + 2) ans += 'U' * (mov_y + 2) ans += 'U' ans += 'L' * (mov_x + 2) ans += 'D' * (mov_y + 2) ans += 'R' print(ans)
p03644
s859539436
Accepted
n=int(input()) m=0 a=1 for i in range(1,n+1): c=0 j=i while 1: j/=2 if j%1==0: c+=1 else: break if m<c: m=c a=i print(a)
p02791
s106097421
Accepted
n = int(input()) a = list(map(int,input().split())) pf = [0]*n mn = 1e9 for i in range(0,n): mn = min(mn,a[i]) pf[i] = mn cn = 0 for i in range(n): if(a[i]<=pf[i]): cn += 1 print(cn)
p02552
s396245216
Wrong Answer
x = int(input()) print(0 if x == 0 else 1)
p02730
s347384578
Wrong Answer
s = input() n = len(s) s_lh_r = s[n//2+1:][::-1] s_fh = s[:n//2] if not s_lh_r == s_fh: print("No") exit() n = len(s_fh) if not s_fh[:n//2] == s_fh[n//2+1:][::-1] or not s_lh_r[:n//2] == s_lh_r[n//2+1:][::-1]: print("No") exit() print("Yes")
p03408
s781426794
Accepted
n=int(input()) s=[input() for i in range(n)] m=int(input()) t=[input() for i in range(m)] ans=0 for i in s: ans=max(ans,s.count(i)-t.count(i)) print(ans)
p02641
s045745885
Accepted
X, N = map(int, input().split()) try: P = set((map(int, input().split()))) except: print(X) exit() dif = 0 while X - dif in P: if not X + dif in P: print(X + dif) exit() dif += 1 print(X - dif)
p02706
s371756213
Accepted
N,M = map(int, input().split()) l = list(map(int, input().split())) if N - sum(l) < 0: print("-1") else: print(N - sum(l))
p03317
s269135430
Wrong Answer
N,K = map(int,input().split()) print(N//(K-1))
p02689
s381119138
Wrong Answer
N,M= list(map(int , input().split())) H = list(map(int , input().split())) A = [] B = [] for i in range(M): x,y=[int(i) for i in input().split()] A.append(x) B.append(y) S = [] for j in range (M): if H[A[j]-1] > H[B[j]-1]: S.append(B[j]) elif H[A[j]-1] < H[B[j]-1]: S.append(A[j]) S = set(S) print(N - len(S))
p03943
s055289289
Accepted
a,b,c=sorted(map(int,input().split())) print("Yes" if a+b==c else "No")
p03778
s921688370
Accepted
W,a,b=map(int,input().split()) print(max(max(a,b)-W-min(a,b),0))
p03150
s549701391
Accepted
#!/usr/bin/env python # coding: utf-8 # In[22]: S = input() # In[24]: keyence = "keyence" length = len(keyence) flag = True for i in range(len(keyence)): # print(S[:i+1], keyence[:i+1], S[-length+i+1:], keyence[-length+i+1:]) if S[:i+1] == keyence[:i+1]: if S[-length+i+1:] == keyence[-length+i+1:]: print("YES") flag = False break if flag: print("NO") # In[ ]:
p02706
s931663508
Accepted
def solve(): N, M = map(int, input().split()) A = [int(i) for i in input().split()] print(max(N - sum(A), -1)) if __name__ == '__main__': solve()
p03680
s534252932
Wrong Answer
n = int(input()) a = [int(input()) for i in range(n)] now = a[0] cnt = 0 for i in range(n - 1): #print(now) now = a[now - 1] cnt += 1 if now == a[1]: print(cnt) exit() print("-1")
p02546
s662804644
Accepted
S = input() if S[-1] == "s": print(S + "es") else: print(S + "s")
p03416
s931164161
Accepted
a, b = map(int, input().split()) cnt = 0 for num in range(a, b + 1): if str(num) == str(num)[::-1]: cnt += 1 print(cnt)
p02688
s258706485
Wrong Answer
N,K = map(int,input().split()) print(N - int(input()))