【笔试题目】滴滴2020秋招测试开发卷

测试用例通过73%，其余没有通过的原因是因为超时

#单行输入规范
# import sys
# for line in sys.stdin:
#     a = line.split()
#     print(int(a[0]) + int(a[1]))

#多行输入规范
import sys
num = sys.stdin.readline().strip()
num=map(int,num.split())

list1=[]
try:
    while True:
        line = sys.stdin.readline().strip()
        if line == '':
            break
        lines = line.split()
        str1=''
        for i in range(0,num[1]):
            str1+='int(lines[%d]),'% i
        list1.append(eval（str1))
        # if num[1]==1:
        #     list1.append([int(lines[0])])
        # if num[1] == 2:
        #     list1.append([int(lines[0]), int(lines[1])])
        # if num[1] == 3:
        #     list1.append([int(lines[0]), int(lines[1]), int(lines[2])])
        # if num[1] == 4:
        #     list1.append([int(lines[0]), int(lines[1]), int(lines[2]),int(lines[3])])
except:
    pass
    
#print num
#print list1

max_num=0
list_length=len(list1[0])

for i in  range(0,list_length):
    max_temp=0
    for j in range(0,num[0]):
        if list1[j][i] >max_temp:
            max_temp=list1[j][i]
    max_num+=max_temp

print max_num