Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*n,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*n,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(m)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*n,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(m)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        print(i,i_sum,cost)
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*n,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(m)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost)#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] +=  sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost)
        else:
            result.append(cost[0])
test(0,[0]*n,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(m)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        print(i,i_sum,cost)
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost)#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] +=  sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost)
        else:
            result.append(cost[0])
test(0,[0]*n,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)

Buggy python submission (verdict: Runtime Error):
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(m)]
import copy
result = []
def test(i,i_sum,cost):
    flag = 0
    
    for j in range(m):
        if i_sum[j] < x:
            flag = 1
            break
    
    if flag == 1:
        
        if i <= n:
            test(copy.deepcopy(i)+1, i_sum,cost)#参考書を使わない場合
            
            for j in range(1,m+1):#参考書を使う場合
                i_sum[j-1] += sp[i-1][j]
            cost[0] +=  sp[i-1][0]
            test(copy.deepcopy(i)+1, i_sum,cost)
    else:
        result.append(cost[0])
test(0,[0]*n,[0])
print(min(result))

Fixed submission:
#c
n,m,x=map(int, input().split())
sp = [list(map(int, input().split())) for _ in range(n)]

import copy
result = []
def test(i,i_sum,cost):
    
    flag = 0
    if i <= n:
        for j in range(m):
            if i_sum[j] < x:
                flag = 1
                break

        if flag == 1:
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])#参考書を使わない場合

                for j in range(1,m+1):#参考書を使う場合
                    i_sum[j-1] += sp[i-1][j]
                cost[0] += sp[i-1][0]
                test(copy.deepcopy(i)+1, i_sum[:],cost[:])
        else:
            result.append(cost[0])
test(0,[0]*m,[0])

if result != []:
    print(min(result))
else:
    print(-1)