Buggy python submission (verdict: Time Limit Exceeded):
N,W = map(int,input().split())

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    

dp = [[-1 for i in range(W+1)] for j in range(N)]

def rec_dp(i,j):
    #もうない
    if i == N:
        return 0
    #既に調べてある
    if dp[i][j] != -1:
        return dp[i][j]
    #残りの容量が足りない
    elif j<w[i]:
        res = rec_dp(i+1,j)
    else:
        res = max(rec_dp(i+1,j),rec_dp(i+1,j-w[i])+v[i])
    return res

print(rec_dp(0,W))


Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)

Buggy python submission (verdict: Time Limit Exceeded):
N,W = map(int,input().split())

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    

def dfs(i,j):
    #終了条件
    if i == N:
        res = 0
    #残りの容量が足りない場合は次の荷物へ
    elif  j<w[i]:
        res = dfs(i+1,j)
    else:
        #選択しない場合/する場合
        res = max(dfs(i+1,j),dfs(i+1,j-w[i])+v[i])
    return res

print(dfs(0,W))


Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)

Buggy python submission (verdict: Time Limit Exceeded):
N,W = map(int,input().split())

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    
dp = [[0 for i in range(W+1)] for j in range(N)]

#荷物を1つだけ入れた状態で、各許容重量の最大値を初期値として持たせる
for i in range(w[0],W+1):
    dp[0][i] = v[0]

for i in range(1,N):
    dp[i] = dp[i-1].copy()
    for j in range(w[i],W+1):
        dp[i][j] = max(dp[i-1][j],dp[i-1][j-w[i]]+v[i])

'''
for i in range(N):
    print(dp[i])
'''

print(dp[N-1][W])


Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)

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

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    
dp = [[0 for i in range(W+1)] for j in range(N)]

#荷物を1つだけ入れた状態で、各許容重量の最大値を初期値として持たせる
for i in range(N):
    dp[i][w[i]] = v[i]

for i in range(1,N):
    for j in range(W+1):
        if j < w[i]:
            dp[i][j] = dp[i-1][j]
        else:
            dp[i][j] = max(dp[i-1][j],dp[i][j-1],dp[i-1][j-w[i]]+v[i])
'''
for i in range(N):
    print(dp[i])
'''

print(dp[N-1][W])


Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)

Buggy python submission (verdict: Time Limit Exceeded):
N,W = map(int,input().split())

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    
dp = [[0 for i in range(W+1)] for j in range(N)]

#荷物を1つだけ入れた状態で、各許容重量の最大値を初期値として持たせる
for i in range(w[0],W+1):
    dp[0][i] = v[0]

for i in range(1,N):
    for j in range(W+1):
        #
        if j < w[i]:
            dp[i][j] = dp[i-1][j]
        else:
            dp[i][j] = max(dp[i-1][j],dp[i-1][j-w[i]]+v[i])
'''
for i in range(N):
    print(dp[i])
'''

print(dp[N-1][W])


Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)

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

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    
dp = [[0 for i in range(W+1)] for j in range(N)]

#荷物を1つだけ入れた状態で、各許容重量の最大値を初期値として持たせる
for i in range(w[0],W+1):
    dp[0][i] = v[0]

for i in range(1,N):
    for k in range(1,w[i]+1):
        dp[i][k] = dp[i-1][k]
        for j in range(w[i],W+1):
            dp[i][j] = max(dp[i][j-1],dp[i-1][j],dp[i-1][j-w[i]]+v[i])
'''
for i in range(N):
    print(dp[i])
'''

print(dp[N-1][W])


Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)

Buggy python submission (verdict: Time Limit Exceeded):
N,W = map(int,input().split())

w = [-1 for i in range(N)]
v = [-1 for i in range(N)]

for i in range(N):
    w[i],v[i] = map(int,input().split())
    
dp = [[0 for i in range(W+1)] for j in range(N)]

#荷物を1つだけ入れた状態で、各許容重量の最大値を初期値として持たせる
for i in range(w[0],W+1):
    dp[0][i] = v[0]

for i in range(1,N):
    for j in range(W+1):
        #
        if j < w[i]:
            dp[i][j] = dp[i-1][j]
        #比較 詰めた一個前/詰めてちょうど/
        else:
            dp[i][j] = max(dp[i][j-1],dp[i-1][j],dp[i-1][j-w[i]]+v[i])


print(dp[N-1][W])

Fixed submission:
from itertools import accumulate

def chk(samp):
    for i in samp:
        print(samp)

N,W = map(int,input().split())

w = [0 for i in range(N)]
v = [0 for i in range(N)]

for i in range(N):
    w[i],v[i]=map(int,input().split())



#価値毎に置き換える
wl = [[] for i in range(4)]

#価値ごとのりすとに入れていく
for i in range(N):
    wl[w[i]-w[0]].append(v[i])


#ソートして最初に0を追加する。0は選択しない場合
for i in range(4):
    wl[i].sort(reverse = 1)
    wl[i].insert(0,0)
    

#累積和を作る
for i in range(4):
    wl[i] = list(accumulate(wl[i]))
    
#出力用変数
out = 0


for i,wl0 in enumerate(wl[0]):
   for j,wl1 in enumerate(wl[1]):
       for k,wl2 in enumerate(wl[2]):
           for l,wl3 in enumerate(wl[3]):
               if i*(w[0])+j*(w[0]+1)+k*(w[0]+2)+l*(w[0]+3) > W:
                   pass
               else:
                   out = max(out,wl0+wl1+wl2+wl3)
                   
print(out)