HR_Array Manipulation

第一版有7个时间超限，优化成了第二版：

1：

#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the arrayManipulation function below.
def arrayManipulation(n, queries):
    # n is lenth  m is operatation
    m = len(queries)
    arr = [0]*n
    for i in range(m):
        start = queries[i][0]
        end = queries[i][1]
        for j in range (start -1, end):
            arr[j] += queries[i][2]
    return max(arr)
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    nm = input().split()

    n = int(nm[0])

    m = int(nm[1])

    queries = []

    for _ in range(m):
        queries.append(list(map(int, input().rstrip().split())))

    result = arrayManipulation(n, queries)

    fptr.write(str(result) + '\n')

    fptr.close()

2：

#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the arrayManipulation function below.
def arrayManipulation(n, queries):
    # n is lenth  m is operatation
    m = len(queries)
    arr = [0]*(n+1)
    for i in range(m):
        start = queries[i][0]
        end = queries[i][1]
        arr[start - 1] += queries[i][2]
        if (end <=len(arr)):
            arr[end] -= queries[i][2]

        max =x =0
        for i in arr:
            x = x + i
            if (max < x) : max =x
    return max
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    nm = input().split()

    n = int(nm[0])

    m = int(nm[1])

    queries = []

    for _ in range(m):
        queries.append(list(map(int, input().rstrip().split())))

    result = arrayManipulation(n, queries)

    fptr.write(str(result) + '\n')

    fptr.close()