Submission #4274064

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Source Code Expand

import sys
from collections import deque
import copy
import math
def get_read_func(fileobject):
    if fileobject == None :
        return raw_input
    else:
        return fileobject.readline

def main():
    if len(sys.argv) > 1:
        f = open(sys.argv[1])
    else:
        f = None
    read_func = get_read_func(f);
    input_raw = read_func().strip().split()
    [N] = [long(input_raw[0])]
    A = []
    for i in range(N):
        input_raw = read_func().strip().split()
        A.append(long(input_raw[0]))

    s = 0
    count = 0
    for i in range(N):
        if A[i] != 0:
            s += A[i]
        else:
            count += s/2
            s = 0
    count += s/2

    print count



if __name__ == '__main__':
    main()

Submission Info

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