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[ [ 141, 30 ], [ 136, 32 ], [ 129, 34 ], [ 142, 38 ], [ 41, 40 ], [ 142, 43 ], [ 48, 45 ], [ 130, 46 ], [ 40, 47 ], [ 136, 49 ], [ 138, 51 ], [ 55, 54 ], [ 142, 58 ...
[ "from math import ceil,floor,factorial,gcd,sqrt,log2,cos,sin,tan,acos,asin,atan,degrees,radians,pi,inf\nfrom itertools import accumulate,groupby,permutations,combinations,product,combinations_with_replacement\nfrom collections import deque,defaultdict,Counter\nfrom bisect import bisect_left,bisect_right\nfrom opera...
from math import ceil,floor,factorial,gcd,sqrt,log2,cos,sin,tan,acos,asin,atan,degrees,radians,pi,inf from itertools import accumulate,groupby,permutations,combinations,product,combinations_with_replacement from collections import deque,defaultdict,Counter from bisect import bisect_left,bisect_right from operator impor...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, ...
[ [ 68, 2 ], [ 62, 8 ], [ 12, 11 ], [ 69, 14 ], [ 63, 17 ], [ 56, 24 ], [ 71, 27 ], [ 31, 30 ], [ 63, 30 ], [ 30, 34 ], [ 74, 37 ], [ 72, 39 ], [ 78, 39 ], [ ...
[ "n = int(input())\na = []\nfor _ in range(n):\n a.append(int(input()))\nans = 0\ncnt = 0\nfor i in a:\n if i==0:\n ans += cnt//2\n cnt = 0\n else:\n cnt += i\nans += cnt//2\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "a = []", "a", ...
n = int(input()) a = [] for _ in range(n): a.append(int(input())) ans = 0 cnt = 0 for i in a: if i==0: ans += cnt//2 cnt = 0 else: cnt += i ans += cnt//2 print(ans)
[ 7, 12, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 17, 13, 14, 2, 18, 13, 2, 13, 17, 17, 0, 13, 2, 18, 13, 2, 13, 17, 17, 0, 18, 13, 2, 13, 17, 17, ...
[ [ 5, 4 ], [ 12, 11 ], [ 4, 14 ], [ 22, 21 ], [ 25, 24 ], [ 28, 27 ], [ 4, 31 ], [ 21, 35 ], [ 27, 37 ], [ 42, 41 ], [ 21, 44 ], [ 27, 46 ], [ 55, 50 ], [ 21...
[ "def main():\n N = int(input())\n A = [int(input()) for i in range(N)]\n ans = 0\n for i in range(1, N):\n if A[i-1] > 1:\n ans += A[i-1] // 2\n A[i-1] %= 2\n if A[i-1] & 1 and A[i] > 1:\n ans += 1\n A[i-1] -= 1\n A[i] -= 1\n ans +=...
def main(): N = int(input()) A = [int(input()) for i in range(N)] ans = 0 for i in range(1, N): if A[i-1] > 1: ans += A[i-1] // 2 A[i-1] %= 2 if A[i-1] & 1 and A[i] > 1: ans += 1 A[i-1] -= 1 A[i] -= 1 ans += A[-1] // 2 p...
[ 7, 12, 13, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 13, 13, 0, 13, 4, 13, 13, 13, 0, 13, 2, 13, 17, 0, 13, 2, 13, 17, 4, 13, 13, 14, 2, 13, 17, 4, 1...
[ [ 5, 4 ], [ 11, 10 ], [ 14, 13 ], [ 17, 16 ], [ 4, 19 ], [ 22, 21 ], [ 28, 27 ], [ 10, 30 ], [ 44, 30 ], [ 21, 31 ], [ 33, 31 ], [ 34, 33 ], [ 10, 36 ], [ 4...
[ "def main():\n n = int(input())\n bef = 0\n ans = 0\n for i in range(n):\n now = int(input())\n ans += min(bef, now)\n now -= min(bef, now)\n ans += now//2\n bef = now % 2\n print(ans)\n \nif __name__ == \"__main__\":\n main()", "def main():\n n = int(input())\n bef = 0\n ans = 0\n for i...
def main(): n = int(input()) bef = 0 ans = 0 for i in range(n): now = int(input()) ans += min(bef, now) now -= min(bef, now) ans += now//2 bef = now % 2 print(ans) if __name__ == "__main__": main()
[ 7, 15, 0, 13, 4, 13, 4, 18, 4, 18, 13, 13, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 18, 4, 18, 13, 13, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, 13, ...
[ [ 71, 3 ], [ 16, 15 ], [ 72, 18 ], [ 65, 30 ], [ 77, 33 ], [ 74, 36 ], [ 40, 39 ], [ 66, 39 ], [ 39, 43 ], [ 80, 46 ], [ 78, 48 ], [ 84, 48 ], [ 69, 48 ], [ ...
[ "from sys import stdin\nn = int(stdin.readline().rstrip())\nli = [int(stdin.readline().rstrip()) for _ in range(n)]\ncount = 0\npoint = 0\nfor i in li:\n if i == 0:\n point += count//2\n count = 0\n else:\n count += i\npoint += count//2\nprint(point)", "from sys import stdin", "n = in...
from sys import stdin n = int(stdin.readline().rstrip()) li = [int(stdin.readline().rstrip()) for _ in range(n)] count = 0 point = 0 for i in li: if i == 0: point += count//2 count = 0 else: count += i point += count//2 print(point)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 17, 14, 2, 2, 2, 18, 13, 13, 17, 2, 13, 2, 13, 17, 2, 18, ...
[ [ 75, 2 ], [ 10, 9 ], [ 76, 12 ], [ 87, 19 ], [ 84, 22 ], [ 26, 25 ], [ 76, 28 ], [ 81, 30 ], [ 37, 32 ], [ 88, 33 ], [ 25, 34 ], [ 40, 37 ], [ 88, 38 ], [ ...
[ "N = int(input())\nA = [int(input()) for _ in range(N)]\nans = 0\nfor i in range(N):\n ans += A[i] // 2\n A[i] %= 2\n if A[i] == 1 and i < N-1 and A[i+1] > 0:\n A[i+1] -= 1\n ans += 1\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "int(input())...
N = int(input()) A = [int(input()) for _ in range(N)] ans = 0 for i in range(N): ans += A[i] // 2 A[i] %= 2 if A[i] == 1 and i < N-1 and A[i+1] > 0: A[i+1] -= 1 ans += 1 print(ans)
[ 7, 0, 13, 4, 13, 13, 4, 18, 4, 18, 4, 13, 17, 13, 13, 31, 13, 0, 13, 2, 18, 13, 17, 17, 0, 18, 13, 17, 17, 28, 13, 4, 13, 2, 13, 17, 14, 2, 2, 18, 13, 13, 17, 40, 18, 13, 2, 13, 17, 17, 0, 13, 17, 0, 18, 13...
[ [ 88, 2 ], [ 88, 15 ], [ 97, 18 ], [ 28, 25 ], [ 31, 30 ], [ 89, 34 ], [ 30, 41 ], [ 30, 47 ], [ 91, 51 ], [ 59, 54 ], [ 30, 57 ], [ 30, 65 ], [ 94, 69 ], [ ...
[ "n,*a = map(int,open(0).read().split())\nans = a[0]//2\na[0] %= 2\nfor i in range(n-1):\n if a[i] == 1 and a[i+1] != 0:\n ans += 1\n a[i+1] -= 1\n if a[i+1] >1:\n ans += a[i+1]//2\n a[i+1] %= 2\nprint(ans)", "n,*a = map(int,open(0).read().split())", "n", "map(int,open(0).read().split())", "map...
n,*a = map(int,open(0).read().split()) ans = a[0]//2 a[0] %= 2 for i in range(n-1): if a[i] == 1 and a[i+1] != 0: ans += 1 a[i+1] -= 1 if a[i+1] >1: ans += a[i+1]//2 a[i+1] %= 2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 0, 13, 2, 2, 13, 13, 17, 14, 2, 2, 2, 2, 13, 13, 17, 17, 2, 13, 17, 4, 13, 13, 10, 17, 13, 10, 17, 13, 10, 4, 13, 10, ...
[ [ 53, 2 ], [ 50, 8 ], [ 47, 11 ], [ 15, 14 ], [ 54, 17 ], [ 56, 19 ], [ 59, 25 ], [ 57, 28 ], [ 48, 29 ], [ 57, 36 ], [ 48, 37 ], [ 57, 41 ], [ 60, 45 ], [ ...
[ "n = int(input())\nans = 0\nrem = 0\nfor _ in range(n):\n a = int(input())\n ans += (a+rem)//2\n if (a+rem)%2 == 1 and a > 0: rem = 1\n else: rem = 0\n\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "ans = 0", "ans", "0", "rem = 0", "rem", "0", ...
n = int(input()) ans = 0 rem = 0 for _ in range(n): a = int(input()) ans += (a+rem)//2 if (a+rem)%2 == 1 and a > 0: rem = 1 else: rem = 0 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 0, 13, 17, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 28, 13, 4, 13, 2, 13, 17, 14, 2, 18, 13, 13, 18, 13, 2, 13, 17, 0, 13, 18, 13, 13, 0, 18, 13, 13, 17, 18, 13, 2,...
[ [ 192, 2 ], [ 195, 8 ], [ 198, 11 ], [ 15, 14 ], [ 193, 17 ], [ 196, 20 ], [ 28, 27 ], [ 193, 31 ], [ 157, 35 ], [ 128, 35 ], [ 99, 35 ], [ 85, 35 ], [ 49, 35 ], ...
[ "n=int(input())\na=[]\nans=0\nfor _ in range(n):\n a.append(int(input()))\n\nfor i in range(n-1):\n if a[i]==a[i+1]:\n ans+=a[i]\n a[i],a[i+1]=0,0\n elif a[i]>a[i+1]:\n if a[i]%2==0:\n ans+=a[i]//2\n a[i]=0\n else:\n ans+=(a[i]-1)//2\n ...
n=int(input()) a=[] ans=0 for _ in range(n): a.append(int(input())) for i in range(n-1): if a[i]==a[i+1]: ans+=a[i] a[i],a[i+1]=0,0 elif a[i]>a[i+1]: if a[i]%2==0: ans+=a[i]//2 a[i]=0 else: ans+=(a[i]-1)//2 a[i]=1 if a[...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 14, 2, 2, 18, 13, 13, 17, 17, 14, 40, 13, 2, 13, 17, 14, 40, 18, 13...
[ [ 83, 2 ], [ 86, 8 ], [ 12, 11 ], [ 84, 14 ], [ 87, 17 ], [ 77, 24 ], [ 28, 27 ], [ 84, 30 ], [ 74, 32 ], [ 87, 35 ], [ 27, 36 ], [ 87, 42 ], [ 27, 43 ], [ ...
[ "n = int(input())\na = []\nfor i in range(n):\n a.append(int(input()))\nres = 0\nfor i in range(n):\n res += a[i] // 2\n if a[i] % 2 == 1:\n if i != n-1:\n if a[i+1] != 0:\n res += 1\n a[i+1] -= 1\n \nprint(res)", "n = int(input())", "n", "int(input())", "int", "input()", "inpu...
n = int(input()) a = [] for i in range(n): a.append(int(input())) res = 0 for i in range(n): res += a[i] // 2 if a[i] % 2 == 1: if i != n-1: if a[i+1] != 0: res += 1 a[i+1] -= 1 print(res)
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[ [ 85, 2 ], [ 73, 8 ], [ 91, 11 ], [ 76, 14 ], [ 18, 17 ], [ 86, 20 ], [ 88, 22 ], [ 17, 29 ], [ 77, 31 ], [ 98, 31 ], [ 70, 34 ], [ 79, 37 ], [ 71, 39 ], [ ...
[ "n = int(input())\n\ntotal = 0\n\nremain = 0\nc = 0\nfor i in range(n):\n m = int(input())\n if i > c + 1:\n remain = 0\n all_ = remain + m\n total += all_//2\n if all_ % 2 != 0 and all_//2 > 0:\n remain = all_ % 2\n c = i\nprint(total)", "n = int(input())", "n", "int(input...
n = int(input()) total = 0 remain = 0 c = 0 for i in range(n): m = int(input()) if i > c + 1: remain = 0 all_ = remain + m total += all_//2 if all_ % 2 != 0 and all_//2 > 0: remain = all_ % 2 c = i print(total)
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[ [ 103, 21 ], [ 27, 26 ], [ 103, 30 ], [ 26, 35 ], [ 42, 41 ], [ 100, 43 ], [ 46, 45 ], [ 49, 48 ], [ 52, 51 ], [ 41, 56 ], [ 60, 59 ], [ 100, 61 ], [ 59, 64 ], ...
[ "# https://atcoder.jp/contests/agc003/tasks/agc003_b\n\nimport sys\n# sys.setrecursionlimit(100000)\n\n\ndef input():\n return sys.stdin.readline().strip()\n\n\ndef input_int():\n return int(input())\n\n\ndef input_int_list():\n return [int(i) for i in input().split()]\n\n\ndef main():\n n = input_int()...
# https://atcoder.jp/contests/agc003/tasks/agc003_b import sys # sys.setrecursionlimit(100000) def input(): return sys.stdin.readline().strip() def input_int(): return int(input()) def input_int_list(): return [int(i) for i in input().split()] def main(): n = input_int() tmp = 0 ans = 0...
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[ [ 210, 11 ], [ 198, 30 ], [ 43, 42 ], [ 211, 46 ], [ 42, 51 ], [ 57, 56 ], [ 211, 60 ], [ 56, 66 ], [ 73, 72 ], [ 211, 76 ], [ 72, 81 ], [ 90, 89 ], [ 205, 91 ], ...
[ "import bisect, collections, copy, heapq, itertools, math, string, sys\ninput = lambda: sys.stdin.readline().rstrip() \nsys.setrecursionlimit(10**7)\nINF = float('inf')\ndef I(): return int(input())\ndef F(): return float(input())\ndef SS(): return input()\ndef LI(): return [int(x) for x in input().split()]\ndef LI...
import bisect, collections, copy, heapq, itertools, math, string, sys input = lambda: sys.stdin.readline().rstrip() sys.setrecursionlimit(10**7) INF = float('inf') def I(): return int(input()) def F(): return float(input()) def SS(): return input() def LI(): return [int(x) for x in input().split()] def LI_(): return [...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 0, 13, 39, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 4, 18, 13, 13, 13, 4, 18, 13, 13, 13, 0, 13, 17, 14, 2, 13, 17, 4, 13, 2, 18, 13, 17, 17, 4, 13, 28, 13, 4, 13, 13, 14, ...
[ [ 175, 2 ], [ 166, 8 ], [ 178, 11 ], [ 15, 14 ], [ 176, 17 ], [ 172, 19 ], [ 167, 26 ], [ 173, 28 ], [ 179, 31 ], [ 173, 33 ], [ 187, 35 ], [ 176, 39 ], [ 167, 45 ...
[ "N=int(input())\nA=[]\nB=[]\nfor i in range(N):\n a=int(input())\n A.append(a)\n B.append(a)\n\nans=0\nif N==1:\n print(A[0]//2)\n exit()\n\nfor i in range(N):\n if i==(N-1):\n ans+=A[i]//2\n break\n if i==0:\n ans+=A[i]//2\n ans+=min(A[i]%2,A[i+1])\n A[i+1]=m...
N=int(input()) A=[] B=[] for i in range(N): a=int(input()) A.append(a) B.append(a) ans=0 if N==1: print(A[0]//2) exit() for i in range(N): if i==(N-1): ans+=A[i]//2 break if i==0: ans+=A[i]//2 ans+=min(A[i]%2,A[i+1]) A[i+1]=max(0,A[i+1]-A[i]%2) ...
[ 7, 12, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 2, 18, 13, 17, 17, 0, 13, 2, 18, 13, 17, 17, 28, 13, 18, 13, 39, 17, 0, 13, 4, 13, 13, 13, 0, 13, 2, 2, 13, 13, 17, ...
[ [ 5, 4 ], [ 12, 11 ], [ 4, 14 ], [ 22, 21 ], [ 25, 24 ], [ 21, 27 ], [ 32, 31 ], [ 21, 34 ], [ 39, 38 ], [ 21, 40 ], [ 45, 44 ], [ 31, 47 ], [ 62, 47 ], [ 3...
[ "def main():\n N = int(input())\n A = [int(input()) for _ in range(N)]\n ans = A[0] // 2\n s = A[0] % 2\n for a in A[1:]:\n diff_p = min(s, a)\n self_p = (a - diff_p) // 2\n ans += diff_p + self_p\n s = a - diff_p - 2 * self_p\n print(ans)\n\n\nif __name__ == '__main__'...
def main(): N = int(input()) A = [int(input()) for _ in range(N)] ans = A[0] // 2 s = A[0] % 2 for a in A[1:]: diff_p = min(s, a) self_p = (a - diff_p) // 2 ans += diff_p + self_p s = a - diff_p - 2 * self_p print(ans) if __name__ == '__main__': main()
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[ [ 47, 2 ], [ 62, 8 ], [ 50, 11 ], [ 15, 14 ], [ 48, 17 ], [ 59, 19 ], [ 60, 26 ], [ 53, 29 ], [ 63, 31 ], [ 57, 31 ], [ 66, 31 ], [ 65, 34 ], [ 56, 37 ], [ ...
[ "n=int(input())\ncount=0\nans=0\nfor i in range(n):\n a=int(input())\n if a==0:\n ans+=(count//2)\n count=0\n else:\n count+=a\nprint(ans+count//2)", "n=int(input())", "n", "int(input())", "int", "input()", "input", "count=0", "count", "0", "ans=0", "ans", "0", ...
n=int(input()) count=0 ans=0 for i in range(n): a=int(input()) if a==0: ans+=(count//2) count=0 else: count+=a print(ans+count//2)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 2, 18, 13, 13, 17, 17, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 17, 0, 13, 2, 18, 13, 13, 17, ...
[ [ 159, 2 ], [ 10, 9 ], [ 160, 12 ], [ 165, 19 ], [ 162, 22 ], [ 26, 25 ], [ 160, 28 ], [ 66, 32 ], [ 45, 32 ], [ 166, 33 ], [ 25, 34 ], [ 171, 38 ], [ 66, 40 ], ...
[ "N = int(input())\nA = [int(input()) for _ in range(N)]\ncnt = 0\nfor i in range(N):\n if A[i]%2==1:\n cnt += A[i]//2\n A[i] = 1\n else:\n a = A[i]//2\n if a>0:\n cnt += a-1\n A[i] = 2\nfor i in range(1,N):\n if A[i-1]!=1:\n cnt += A[i-1]//2+A[i]//2\...
N = int(input()) A = [int(input()) for _ in range(N)] cnt = 0 for i in range(N): if A[i]%2==1: cnt += A[i]//2 A[i] = 1 else: a = A[i]//2 if a>0: cnt += a-1 A[i] = 2 for i in range(1,N): if A[i-1]!=1: cnt += A[i-1]//2+A[i]//2 A[i-1]=0 ...
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[ [ 25, 24 ], [ 128, 30 ], [ 34, 34 ], [ 133, 43 ], [ 121, 48 ], [ 124, 55 ], [ 152, 57 ], [ 61, 60 ], [ 125, 63 ], [ 152, 66 ], [ 136, 68 ], [ 154, 71 ], [ 75, 74 ...
[ "import sys, re\nfrom collections import deque, defaultdict, Counter\nfrom math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians\nfrom itertools import accumulate, permutations, combinations, product\nfrom operator import itemgetter, mul\nfrom copy import deepcopy\nfrom string import ascii_lowercase, asci...
import sys, re from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians from itertools import accumulate, permutations, combinations, product from operator import itemgetter, mul from copy import deepcopy from string import ascii_lowercase, ascii_uppercase...
[ 7, 15, 13, 13, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 13, 12, 13, 12, 13, 12, 13, 12, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 12, 13, 23, 13, 4, 18, 13, 13, 2, 17, 17, 0, 13, 4, 13, 17, 0, 13, 2, 2, 17, 17, 17,...
[ [ 26, 25 ], [ 121, 31 ], [ 35, 35 ], [ 138, 44 ], [ 147, 49 ], [ 144, 57 ], [ 133, 59 ], [ 63, 62 ], [ 145, 65 ], [ 133, 68 ], [ 141, 70 ], [ 150, 73 ], [ 111, 76 ...
[ "import sys, re\nfrom collections import deque, defaultdict, Counter\nfrom math import ceil, sqrt, hypot, factorial, pi, sin, cos, tan, asin, acos, atan, radians, degrees, log2, gcd\nfrom itertools import accumulate, permutations, combinations, combinations_with_replacement, product, groupby\nfrom operator import i...
import sys, re from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, tan, asin, acos, atan, radians, degrees, log2, gcd from itertools import accumulate, permutations, combinations, combinations_with_replacement, product, groupby from operator import itemgetter...
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 0, 13, 2, 18, 13, 13, 17, 0, 13, 13, 14, 2, 2, 18, 13, 13, 17, 17, 14, 2, 18, 13, 2, 13, 17, ...
[ [ 89, 2 ], [ 10, 9 ], [ 90, 12 ], [ 86, 19 ], [ 80, 22 ], [ 26, 25 ], [ 90, 29 ], [ 95, 32 ], [ 87, 35 ], [ 25, 36 ], [ 92, 39 ], [ 96, 40 ], [ 87, 45 ], [ ...
[ "n = int(input())\na = [int(input()) for _ in range(n)]\nans = 0\nfor i in range(n - 1):\n m = a[i] // 2\n ans += m\n if a[i] % 2 == 1:\n if a[i + 1] > 0:\n ans += 1\n a[i + 1] -= 1\nans += a[n - 1] // 2\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "i...
n = int(input()) a = [int(input()) for _ in range(n)] ans = 0 for i in range(n - 1): m = a[i] // 2 ans += m if a[i] % 2 == 1: if a[i + 1] > 0: ans += 1 a[i + 1] -= 1 ans += a[n - 1] // 2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 14, 2, 2, 2, 18, 13, 13, 17, 17, 40, 18, 13, 2, 13, 17, 17, 0, 13, 17, 0, 18, 13, 13, 17, 0, ...
[ [ 101, 2 ], [ 10, 9 ], [ 102, 12 ], [ 95, 19 ], [ 89, 22 ], [ 26, 25 ], [ 102, 29 ], [ 51, 35 ], [ 96, 36 ], [ 25, 37 ], [ 96, 42 ], [ 25, 44 ], [ 92, 48 ], [ ...
[ "n = int(input())\na = [int(input()) for i in range(n)]\n\nc = 0\n\nfor i in range(n-1):\n if a[i]%2 == 1 and a[i+1]>=1:\n c += 1\n a[i] -= 1\n a[i+1] -= 1\nfor i in range(n):\n c += a[i]//2\n a[i] -= (a[i]//2)*2\nprint (c)", "n = int(input())", "n", "int(input())", "int", "input()", "input"...
n = int(input()) a = [int(input()) for i in range(n)] c = 0 for i in range(n-1): if a[i]%2 == 1 and a[i+1]>=1: c += 1 a[i] -= 1 a[i+1] -= 1 for i in range(n): c += a[i]//2 a[i] -= (a[i]//2)*2 print (c)
[ 7, 15, 15, 15, 13, 13, 13, 13, 13, 13, 4, 18, 13, 13, 2, 17, 17, 0, 13, 2, 2, 17, 17, 17, 0, 13, 4, 13, 17, 12, 13, 12, 13, 12, 13, 23, 13, 0, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 0, 13, 13, 0, 13, 1...
[ [ 105, 18 ], [ 123, 25 ], [ 36, 36 ], [ 99, 38 ], [ 97, 40 ], [ 44, 43 ], [ 100, 46 ], [ 97, 49 ], [ 93, 51 ], [ 111, 54 ], [ 120, 57 ], [ 94, 64 ], [ 114, 66 ], ...
[ "from collections import Counter,defaultdict,deque\nfrom heapq import heappop,heappush,heapify\nimport sys,bisect,math,itertools,fractions,pprint\nsys.setrecursionlimit(10**8)\nmod = 10**9+7\nINF = float('inf')\ndef inp(): return int(sys.stdin.readline())\ndef inpl(): return list(map(int, sys.stdin.readline().split...
from collections import Counter,defaultdict,deque from heapq import heappop,heappush,heapify import sys,bisect,math,itertools,fractions,pprint sys.setrecursionlimit(10**8) mod = 10**9+7 INF = float('inf') def inp(): return int(sys.stdin.readline()) def inpl(): return list(map(int, sys.stdin.readline().split())) def inp...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 18, 13, 13, 0, 13, 2, 13, 17, 14, 2, 2, 2, 13, 2, 13, 17, 2, 13, 17, 2, 18, 13, 2, 13, 17, 17, 0, 13, 17, 0, 18, 13...
[ [ 74, 2 ], [ 65, 8 ], [ 77, 16 ], [ 20, 19 ], [ 75, 22 ], [ 71, 24 ], [ 66, 26 ], [ 19, 27 ], [ 68, 29 ], [ 72, 31 ], [ 19, 37 ], [ 75, 39 ], [ 72, 42 ], [ ...
[ "n = int(input())\nA = list(int(input()) for _ in range(n))\nans = 0\nfor i in range(n):\n tmp = A[i]\n ans += (tmp//2)\n if i < n-1 and tmp %2 and A[i+1] > 0:\n ans += 1\n A[i+1] -= 1\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "A = list(in...
n = int(input()) A = list(int(input()) for _ in range(n)) ans = 0 for i in range(n): tmp = A[i] ans += (tmp//2) if i < n-1 and tmp %2 and A[i+1] > 0: ans += 1 A[i+1] -= 1 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 14, 2, 13, 17, 14, 2, 2, 18, 13, 17, 17, 17, 14, 2, 18, 13, 17, 17, 0, 13, 17, 0, 18, 13, 17, 17, 0, 18, 13, ...
[ [ 233, 2 ], [ 230, 8 ], [ 13, 12 ], [ 234, 15 ], [ 231, 18 ], [ 218, 25 ], [ 234, 29 ], [ 231, 35 ], [ 231, 42 ], [ 224, 46 ], [ 52, 49 ], [ 231, 50 ], [ 57, 54 ]...
[ "N = int(input())\nA_list = list()\nfor i in range(N):\n A_list.append(int(input()))\n\nans = 0\n#print(ans,A_list) \n\n#まず奇数を両端のどちらかに奇数があれば、それで打ち消す\nif N > 1:\n if A_list[0]%2 == 1:\n if A_list[1] > 0:\n ans += 1\n A_list[0] -= 1\n A_list[1] -= 1\n\n #print(ans,A_l...
N = int(input()) A_list = list() for i in range(N): A_list.append(int(input())) ans = 0 #print(ans,A_list) #まず奇数を両端のどちらかに奇数があれば、それで打ち消す if N > 1: if A_list[0]%2 == 1: if A_list[1] > 0: ans += 1 A_list[0] -= 1 A_list[1] -= 1 #print(ans,A_list) for i in ...
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 13, 17, 28, 13, 13, 0, 13, 2, 2, 13, 13, 17, 0, 13, 2, 2, 13, 13, 17, 14, 2, 13, 17, 0, 13, 17, 4, 13, 13, 10, 13, 13, ...
[ [ 72, 2 ], [ 10, 9 ], [ 73, 12 ], [ 54, 19 ], [ 69, 22 ], [ 57, 24 ], [ 28, 27 ], [ 55, 27 ], [ 63, 30 ], [ 27, 33 ], [ 58, 34 ], [ 61, 34 ], [ 67, 34 ], [ ...
[ "n = int(input())\na = [int(input()) for _ in range(n)]\n\nans, tmp = 0, 0\nfor ai in a:\n ans += (ai + tmp) // 2\n tmp = (ai + tmp) % 2\n if ai == 0:\n tmp = 0\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "int(input()) for _ in range(n)", "for _ ...
n = int(input()) a = [int(input()) for _ in range(n)] ans, tmp = 0, 0 for ai in a: ans += (ai + tmp) // 2 tmp = (ai + tmp) % 2 if ai == 0: tmp = 0 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, 17, 13, ...
[ [ 63, 2 ], [ 10, 9 ], [ 64, 12 ], [ 69, 19 ], [ 57, 22 ], [ 57, 25 ], [ 29, 28 ], [ 70, 28 ], [ 28, 32 ], [ 75, 35 ], [ 55, 37 ], [ 61, 37 ], [ 67, 37 ], [ ...
[ "N = int(input())\nA = [int(input()) for i in range(N)]\n\nc = ans = 0\nfor a in A:\n if a==0:\n ans += c//2\n c = 0\n else:\n c += a\nans += c//2\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "int(input()) for i in range(N)", "for i in ...
N = int(input()) A = [int(input()) for i in range(N)] c = ans = 0 for a in A: if a==0: ans += c//2 c = 0 else: c += a ans += c//2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 2, 18, 13, 13, 17, 14, 2, 2, 18, 13, 13, 17, ...
[ [ 97, 2 ], [ 91, 8 ], [ 12, 11 ], [ 98, 14 ], [ 92, 17 ], [ 94, 24 ], [ 28, 27 ], [ 98, 31 ], [ 106, 34 ], [ 67, 36 ], [ 41, 36 ], [ 92, 37 ], [ 27, 38 ], [ ...
[ "n=int(input())\n\na=[]\n\nfor i in range(n):\n a.append(int(input()))\n\nans=0\nfor i in range(n-1):\n ans+=a[i]//2\n a[i]=a[i]%2\n if a[i]==1 and a[i+1]>=1:\n ans+=1\n a[i]-=1\n a[i+1]-=1\nans+=a[n-1]//2\n\nprint(ans)", "n=int(input())", "n", "int(input())", "int", "input()", "input", "...
n=int(input()) a=[] for i in range(n): a.append(int(input())) ans=0 for i in range(n-1): ans+=a[i]//2 a[i]=a[i]%2 if a[i]==1 and a[i+1]>=1: ans+=1 a[i]-=1 a[i+1]-=1 ans+=a[n-1]//2 print(ans)
[ 7, 0, 13, 17, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 4, 13, 0, 13, 2, 13, 17, 0, 13, 2, 13, 17, 28, 13, 4, 13, 17, 13, 0, 13, 4, 13, 4, 13, 14, 2, 2, 13, 17, 2, 13, 17, 0, 13, 13, 0, 13, 13, 0, 13, 17, 0, 13,...
[ [ 81, 2 ], [ 78, 5 ], [ 87, 11 ], [ 69, 17 ], [ 88, 19 ], [ 72, 22 ], [ 88, 24 ], [ 28, 27 ], [ 79, 31 ], [ 93, 33 ], [ 73, 41 ], [ 85, 41 ], [ 76, 41 ], [ ...
[ "#sys.setrecursionlimit(10**7)\n#inf = 10**9\nsum=0\nN=int(input())\nA=int(input())\nsum+=A//2\na=A%2\nfor _ in range(1,N):\n A=int(input())\n if a==1 and A>0:\n sum+=a\n A-=a\n a=0\n sum+=A//2\n a=A%2\nprint(sum)\n\n\n\n", "sum=0", "sum", "0", "N=int(input())", "N", "in...
#sys.setrecursionlimit(10**7) #inf = 10**9 sum=0 N=int(input()) A=int(input()) sum+=A//2 a=A%2 for _ in range(1,N): A=int(input()) if a==1 and A>0: sum+=a A-=a a=0 sum+=A//2 a=A%2 print(sum)
[ 7, 15, 0, 13, 4, 13, 4, 18, 4, 18, 13, 13, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 2, 13, 17, 4, 13, 18, 13, ...
[ [ 89, 3 ], [ 101, 14 ], [ 18, 17 ], [ 90, 20 ], [ 102, 23 ], [ 95, 30 ], [ 34, 33 ], [ 90, 37 ], [ 92, 40 ], [ 102, 43 ], [ 33, 44 ], [ 52, 47 ], [ 102, 48 ], [...
[ "from sys import stdin\nN = int(stdin.readline().rstrip())\nA = []\nfor i in range(N):\n A.append(int(input()))\n \nans = 0\nfor i in range(N-1):\n ans += (A[i]//2)\n A[i+1] -= min(A[i+1],A[i]%2)\n ans += min(A[i+1],A[i]%2)\nans += (A[-1]//2)\nprint(ans)", "from sys import stdin", "N = int(stdin....
from sys import stdin N = int(stdin.readline().rstrip()) A = [] for i in range(N): A.append(int(input())) ans = 0 for i in range(N-1): ans += (A[i]//2) A[i+1] -= min(A[i+1],A[i]%2) ans += min(A[i+1],A[i]%2) ans += (A[-1]//2) print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 0, 13, 2, 2, 13, 13, 17, 0, 13, 8, 40, 13, 17, 2, 2, 13, 13, 17, 17, 4, 13, 13, 10, 17, 13, 10, 2, 13, 10, 4, 13, 10, ...
[ [ 62, 2 ], [ 47, 8 ], [ 56, 11 ], [ 15, 14 ], [ 63, 17 ], [ 53, 19 ], [ 50, 25 ], [ 54, 28 ], [ 57, 29 ], [ 60, 29 ], [ 59, 32 ], [ 54, 35 ], [ 54, 39 ], [ ...
[ "n = int(input())\nans = 0\nx = 0\nfor i in range(n):\n a = int(input())\n ans += (a + x) // 2\n x = (a + x) % 2 if a != 0 else 0\n #print(a, x, ans)\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "ans = 0", "ans", "0", "x = 0", "x", "0", "for...
n = int(input()) ans = 0 x = 0 for i in range(n): a = int(input()) ans += (a + x) // 2 x = (a + x) % 2 if a != 0 else 0 #print(a, x, ans) print(ans)
[ 7, 0, 13, 4, 13, 13, 4, 18, 4, 18, 4, 13, 17, 13, 13, 31, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 18, 13, 13, 17, 13, 0, 13, 13, 14, 2, 2, 13, 17, 2, 13, 2, 13, 17, 9, 14, 40, 18, 13, 2, 13, 17, 17,...
[ [ 76, 2 ], [ 76, 15 ], [ 73, 18 ], [ 22, 21 ], [ 77, 24 ], [ 70, 26 ], [ 21, 31 ], [ 70, 33 ], [ 79, 35 ], [ 71, 36 ], [ 68, 40 ], [ 21, 43 ], [ 77, 45 ], [ ...
[ "N, *A = map(int, open(0).read().split())\nans = 0\nfor i in range(N):\n q, r = divmod(A[i], 2)\n ans += q\n if r == 0 or i == N - 1:\n continue\n elif A[i + 1] != 0:\n A[i + 1] += 1\nprint(ans)", "N, *A = map(int, open(0).read().split())", "N", "map(int, open(0).read().split())", ...
N, *A = map(int, open(0).read().split()) ans = 0 for i in range(N): q, r = divmod(A[i], 2) ans += q if r == 0 or i == N - 1: continue elif A[i + 1] != 0: A[i + 1] += 1 print(ans)
[ 7, 15, 13, 15, 13, 15, 13, 15, 13, 12, 13, 29, 4, 18, 4, 18, 18, 13, 13, 13, 13, 12, 13, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 4, 18, 13, 13, 13, 0, 13, 39, 0, 13, 39, 28, ...
[ [ 25, 24 ], [ 109, 28 ], [ 31, 30 ], [ 34, 33 ], [ 24, 36 ], [ 39, 38 ], [ 109, 42 ], [ 30, 45 ], [ 38, 47 ], [ 50, 49 ], [ 53, 52 ], [ 56, 55 ], [ 30, 55 ], [ ...
[ "import sys\nimport math # noqa\nimport bisect # noqa\nimport queue # noqa\n\n\ndef input():\n return sys.stdin.readline().rstrip()\n\n\ndef main():\n N = int(input())\n A = []\n for _ in range(N):\n a = int(input())\n A.append(a)\n\n B = []\n C = []\n for a in A:\n if a...
import sys import math # noqa import bisect # noqa import queue # noqa def input(): return sys.stdin.readline().rstrip() def main(): N = int(input()) A = [] for _ in range(N): a = int(input()) A.append(a) B = [] C = [] for a in A: if a != 0: C.appe...
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 2, 18, 13, 17, 17, 0, 13, 2, 18, 13, 17, 17, 28, 13, 4, 13, 17, 13, 0, 13, 2, 2, 18, 13, 13, 13, 17, 14, 2, 18, 13, 13, 17, ...
[ [ 87, 2 ], [ 10, 9 ], [ 88, 12 ], [ 81, 19 ], [ 78, 22 ], [ 82, 25 ], [ 84, 29 ], [ 82, 32 ], [ 37, 36 ], [ 88, 40 ], [ 75, 42 ], [ 82, 46 ], [ 36, 47 ], [ ...
[ "N=int(input())\nA=[int(input()) for _ in range(N)]\n\nans=A[0]//2\nres=A[0]%2\nfor i in range(1,N):\n ans+=(A[i]+res)//2\n if A[i]>0:\n res=(A[i]+res)%2\n else:\n res=0\nprint(ans)", "N=int(input())", "N", "int(input())", "int", "input()", "input", "int(input()) for _ in range(...
N=int(input()) A=[int(input()) for _ in range(N)] ans=A[0]//2 res=A[0]%2 for i in range(1,N): ans+=(A[i]+res)//2 if A[i]>0: res=(A[i]+res)%2 else: res=0 print(ans)
[ 7, 15, 13, 12, 13, 4, 18, 13, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 17, 14, 2, 2, 18, 13, 13, 17, 2, 18, 13, 2, 13, 17, 17, 0, 18, 13, 2, 13, 17, 17, 0, 13, 17, 4, 1...
[ [ 61, 7 ], [ 12, 11 ], [ 15, 14 ], [ 59, 17 ], [ 20, 19 ], [ 26, 21 ], [ 61, 22 ], [ 14, 23 ], [ 29, 26 ], [ 61, 27 ], [ 14, 28 ], [ 26, 33 ], [ 61, 34 ], [ ...
[ "#!/usr/bin/env python3\nimport sys\n\ndef solve(N: int, A: \"List[int]\"):\n A.append(0)\n answer = 0\n for i in range(N):\n answer += A[i]//2\n A[i] %= 2\n if A[i] > 0 and A[i+1] > 0:\n A[i+1] -= 1\n answer += 1\n\n print(answer)\n return\n\n\ndef main():\...
#!/usr/bin/env python3 import sys def solve(N: int, A: "List[int]"): A.append(0) answer = 0 for i in range(N): answer += A[i]//2 A[i] %= 2 if A[i] > 0 and A[i+1] > 0: A[i+1] -= 1 answer += 1 print(answer) return def main(): def iterate_tokens()...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, 2, 13, 10, 13, 13, 10, 4, 13, ...
[ [ 54, 2 ], [ 63, 8 ], [ 66, 11 ], [ 15, 14 ], [ 55, 17 ], [ 69, 19 ], [ 70, 26 ], [ 48, 29 ], [ 64, 31 ], [ 52, 31 ], [ 58, 31 ], [ 57, 34 ], [ 51, 37 ], [ ...
[ "n = int(input())\nc = 0\nans = 0\nfor _ in range(n):\n t = int(input())\n if t == 0:\n ans += c//2\n c = 0\n c += t\nans += c//2\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "c = 0", "c", "0", "ans = 0", "ans", "0", "for _ in range(n):\n t = ...
n = int(input()) c = 0 ans = 0 for _ in range(n): t = int(input()) if t == 0: ans += c//2 c = 0 c += t ans += c//2 print(ans)
[ 7, 15, 13, 0, 13, 18, 18, 18, 13, 13, 13, 13, 12, 13, 23, 13, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 39, 28, 13, 13, 0, 13, 17, 14, 40, 13, 17, 0, ...
[ [ 208, 4 ], [ 15, 15 ], [ 235, 17 ], [ 209, 21 ], [ 205, 23 ], [ 27, 26 ], [ 236, 29 ], [ 206, 32 ], [ 209, 37 ], [ 211, 39 ], [ 217, 42 ], [ 46, 45 ], [ 206, 45 ...
[ "import sys\nreadline = sys.stdin.buffer.readline\ndef even(n): return 1 if n%2==0 else 0\n\nn = int(readline())\nlst1 = []\nfor i in range(n):\n lst1.append(int(readline()))\n\nans = 0\nlst2 = []\nfor i in lst1:\n i -= 2\n if i >= 0:\n ans += (i+1)//2\n if i == -2:\n lst2.append(0)\n e...
import sys readline = sys.stdin.buffer.readline def even(n): return 1 if n%2==0 else 0 n = int(readline()) lst1 = [] for i in range(n): lst1.append(int(readline())) ans = 0 lst2 = [] for i in lst1: i -= 2 if i >= 0: ans += (i+1)//2 if i == -2: lst2.append(0) elif even(i): l...
[ 7, 15, 13, 0, 13, 18, 18, 13, 13, 13, 0, 13, 18, 18, 18, 13, 13, 13, 13, 4, 18, 13, 13, 2, 17, 17, 0, 13, 4, 13, 17, 0, 13, 2, 2, 17, 17, 17, 12, 13, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 4, 13, 4, 13, 0, 13, ...
[ [ 129, 4 ], [ 132, 11 ], [ 135, 27 ], [ 126, 32 ], [ 42, 41 ], [ 133, 45 ], [ 48, 47 ], [ 133, 53 ], [ 56, 55 ], [ 59, 58 ], [ 41, 61 ], [ 58, 64 ], [ 41, 66 ], ...
[ "import sys\n\nread = sys.stdin.read\nreadline = sys.stdin.buffer.readline\nsys.setrecursionlimit(10 ** 8)\nINF = float('inf')\nMOD = 10 ** 9 + 7\n\n\ndef main():\n N = int(readline())\n A = list(int(readline()) for _ in range(N))\n\n ans = 0\n for i in range(N):\n if i==N-1:\n ans += ...
import sys read = sys.stdin.read readline = sys.stdin.buffer.readline sys.setrecursionlimit(10 ** 8) INF = float('inf') MOD = 10 ** 9 + 7 def main(): N = int(readline()) A = list(int(readline()) for _ in range(N)) ans = 0 for i in range(N): if i==N-1: ans += A[i] // 2 els...
[ 7, 15, 12, 13, 0, 13, 4, 13, 4, 18, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 18, 13, 13, 14, 13, 0, 13, 13, 0, 13, 2, 13, 17, 0, 13, 17, 4, 13, 2, 13, 2, 13, 17, 14, 2, 13, 17, 4, ...
[ [ 6, 5 ], [ 17, 13 ], [ 17, 16 ], [ 20, 19 ], [ 5, 22 ], [ 25, 24 ], [ 35, 34 ], [ 24, 35 ], [ 38, 37 ], [ 16, 39 ], [ 42, 39 ], [ 34, 39 ], [ 43, 42 ], [ 3...
[ "from sys import stdin\ndef main():\n N = int(stdin.readline())\n ans = c = 0\n for _ in range(N):\n a = int(stdin.readline())\n if a:\n c += a\n else:\n ans += c >> 1\n c = 0\n print(ans + (c >> 1))\nif __name__ == \"__main__\":\n main()", "fro...
from sys import stdin def main(): N = int(stdin.readline()) ans = c = 0 for _ in range(N): a = int(stdin.readline()) if a: c += a else: ans += c >> 1 c = 0 print(ans + (c >> 1)) if __name__ == "__main__": main()
[ 7, 15, 13, 0, 13, 18, 13, 13, 15, 13, 0, 13, 2, 2, 17, 17, 17, 0, 13, 12, 4, 18, 4, 18, 13, 13, 13, 0, 13, 12, 4, 13, 4, 13, 0, 13, 12, 4, 13, 4, 13, 13, 4, 18, 4, 18, 13, 13, 13, 0, 13, 4, 13, 0, 13, 4, ...
[ [ 165, 4 ], [ 168, 11 ], [ 156, 18 ], [ 166, 24 ], [ 150, 28 ], [ 157, 33 ], [ 153, 35 ], [ 166, 46 ], [ 141, 50 ], [ 151, 52 ], [ 159, 54 ], [ 59, 58 ], [ 142, 61 ...
[ "import sys\nstdin = sys.stdin\nimport itertools\n\nmod = 10**9 + 7\n\nns = lambda: stdin.readline().rstrip()\nni = lambda: int(ns())\nna = lambda: list(map(int, stdin.readline().split()))\n\nN = ni()\nA = list()\nfor _ in range(N):\n A.append(ni())\ncnt = 0\nif N==1:\n print(A[0]//2)\n quit()\nfor i in ra...
import sys stdin = sys.stdin import itertools mod = 10**9 + 7 ns = lambda: stdin.readline().rstrip() ni = lambda: int(ns()) na = lambda: list(map(int, stdin.readline().split())) N = ni() A = list() for _ in range(N): A.append(ni()) cnt = 0 if N==1: print(A[0]//2) quit() for i in range(N-1): ccnt = (A...
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 4, 18, 13, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 14, 2, 2, 2, 18, 13, 13, 17, 17, 2, 18, 13, 2, 13, 17, ...
[ [ 77, 2 ], [ 10, 9 ], [ 78, 12 ], [ 80, 19 ], [ 81, 23 ], [ 71, 27 ], [ 31, 30 ], [ 78, 33 ], [ 74, 35 ], [ 81, 38 ], [ 30, 39 ], [ 81, 46 ], [ 30, 47 ], [ ...
[ "n = int(input())\na = [int(input()) for _ in range(n)]\na.append(0)\nr = 0\nfor i in range(n):\n r += a[i]//2\n if a[i]%2==1 and a[i+1]>0:\n r += 1\n a[i+1] -= 1\nprint(r)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "int(input()) for _ in range(n)", "fo...
n = int(input()) a = [int(input()) for _ in range(n)] a.append(0) r = 0 for i in range(n): r += a[i]//2 if a[i]%2==1 and a[i+1]>0: r += 1 a[i+1] -= 1 print(r)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 0, 13, 2, 18, 13, 17, 17, 0, 18, 13, 17, 17, 28, 13, 4, 13, 17, 13, 14, 2, 18, 13, 13, 17, 0, 13, 2, 18, 13, ...
[ [ 108, 2 ], [ 10, 9 ], [ 109, 12 ], [ 117, 19 ], [ 99, 22 ], [ 111, 25 ], [ 114, 28 ], [ 118, 31 ], [ 38, 35 ], [ 118, 36 ], [ 41, 40 ], [ 109, 44 ], [ 91, 47 ], ...
[ "n = int(input())\nai = [int(input()) for i in range(n)]\n\nans = 0\nnokori = 0\n\nans = ai[0] // 2\nai[0] %= 2\n\nfor i in range(1,n):\n if ai[i] > 0:\n ans += ai[i] // 2\n if ai[i] % 2 == 1:\n if ai[i-1] == 1:\n ans += 1\n else:\n ai[i] = 1\n ...
n = int(input()) ai = [int(input()) for i in range(n)] ans = 0 nokori = 0 ans = ai[0] // 2 ai[0] %= 2 for i in range(1,n): if ai[i] > 0: ans += ai[i] // 2 if ai[i] % 2 == 1: if ai[i-1] == 1: ans += 1 else: ai[i] = 1 else: ...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 14, 13, 0, 13, 13, 0, 13, 2, 13, 17, 0, 13, 17, 4, 13, 2, 13, 2, 13, 17, 10, 17, 13, 10, 4, 13, 10, 17, 13, 10, 4, 13, ...
[ [ 54, 2 ], [ 45, 8 ], [ 57, 11 ], [ 15, 14 ], [ 55, 17 ], [ 48, 19 ], [ 63, 27 ], [ 49, 28 ], [ 60, 30 ], [ 58, 32 ], [ 52, 32 ], [ 64, 32 ], [ 51, 35 ], [ ...
[ "n = int(input())\nans = 0\ntmp = 0\nfor i in range(n):\n k = int(input())\n if k:\n tmp += k\n else:\n ans += tmp // 2\n tmp = 0\nprint(ans + tmp // 2)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "ans = 0", "ans", "0", "tmp = 0", "tmp", ...
n = int(input()) ans = 0 tmp = 0 for i in range(n): k = int(input()) if k: tmp += k else: ans += tmp // 2 tmp = 0 print(ans + tmp // 2)
[ 7, 15, 13, 12, 13, 12, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 14, 40, 18, 13, 13, 17, 0, 13, 2, 18, 13, 13, 17, 14, 2, 2, 2, 18, 13,...
[ [ 9, 8 ], [ 99, 12 ], [ 16, 15 ], [ 8, 18 ], [ 99, 23 ], [ 26, 25 ], [ 29, 28 ], [ 32, 31 ], [ 8, 35 ], [ 25, 40 ], [ 31, 41 ], [ 45, 44 ], [ 25, 47 ], [ 31...
[ "import sys\ndef input():return sys.stdin.readline().strip()\n\ndef main():\n N = int(input())\n A = [int(input()) for _ in range(N)]\n ans = 0\n\n for i in range(N-1):\n if A[i] >= 2:\n ans += A[i]//2\n if A[i]%2 == 1 and A[i+1] >= 1:\n ans += 1\n A[i+1] -...
import sys def input():return sys.stdin.readline().strip() def main(): N = int(input()) A = [int(input()) for _ in range(N)] ans = 0 for i in range(N-1): if A[i] >= 2: ans += A[i]//2 if A[i]%2 == 1 and A[i+1] >= 1: ans += 1 A[i+1] -= 1 ans +...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 13, 17, 14, 2, 2, 18, 13, 2, 13, 17, 17, 2, 18, 13, 13, 17, 0, 18, 13, 13, 17, 0, 13, ...
[ [ 83, 2 ], [ 80, 8 ], [ 12, 11 ], [ 84, 14 ], [ 81, 17 ], [ 86, 24 ], [ 28, 27 ], [ 84, 30 ], [ 27, 33 ], [ 81, 39 ], [ 27, 41 ], [ 72, 45 ], [ 50, 45 ], [ ...
[ "N = int(input())\nA = []\nfor _ in range(N):\n A.append(int(input()))\n\ncnt = 0\nfor i in range(N):\n if i > 0:\n if A[i - 1] == 1 and A[i] > 0:\n A[i] -= 1\n cnt += 1\n A[i - 1] -= 1\n cnt += A[i] // 2\n A[i] %= 2\n\nprint(cnt)", "N = int(input())", "N", ...
N = int(input()) A = [] for _ in range(N): A.append(int(input())) cnt = 0 for i in range(N): if i > 0: if A[i - 1] == 1 and A[i] > 0: A[i] -= 1 cnt += 1 A[i - 1] -= 1 cnt += A[i] // 2 A[i] %= 2 print(cnt)
[ 7, 15, 13, 0, 13, 18, 18, 13, 13, 13, 15, 12, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 2, 13, 39, 17, 28, 13, 4, 13, 13, 14, 2, 18, 13, 2, 13, 17, 17, 27, 2, 18, 13, 13, 17, 2...
[ [ 88, 4 ], [ 15, 14 ], [ 89, 18 ], [ 22, 21 ], [ 14, 24 ], [ 89, 29 ], [ 32, 31 ], [ 38, 37 ], [ 14, 40 ], [ 31, 44 ], [ 37, 46 ], [ 31, 52 ], [ 37, 53 ], [ ...
[ "import sys\ninput = sys.stdin.readline\nfrom math import floor\n\ndef main():\n n = int(input())\n a = [int(input()) for _ in range(n)] + [0]\n\n for i in range(n):\n if a[i+1] == 0:\n yield a[i] // 2\n else:\n yield a[i] // 2 + a[i] % 2\n a[i+1] -= a[i] % 2\...
import sys input = sys.stdin.readline from math import floor def main(): n = int(input()) a = [int(input()) for _ in range(n)] + [0] for i in range(n): if a[i+1] == 0: yield a[i] // 2 else: yield a[i] // 2 + a[i] % 2 a[i+1] -= a[i] % 2 print(sum(main()...
[ 7, 15, 13, 0, 13, 18, 18, 13, 13, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 2, 18, 13, 13, 17,...
[ [ 111, 4 ], [ 99, 11 ], [ 112, 15 ], [ 19, 18 ], [ 100, 21 ], [ 112, 26 ], [ 108, 28 ], [ 102, 31 ], [ 35, 34 ], [ 100, 38 ], [ 93, 41 ], [ 48, 43 ], [ 109, 44 ],...
[ "import sys\ninput = sys.stdin.readline\nn = int(input())\nAs = [int(input()) for i in range(n)]\n\nans = 0\nfor i in range(n-1):\n ans += As[i] // 2 \n As[i] = As[i] % 2\n if As[i] == 1 and As[i+1] > 0:\n As[i+1] -= 1\n ans += 1\nans += As[n-1]//2 \n\nprint(ans)", "import sys", "sys",...
import sys input = sys.stdin.readline n = int(input()) As = [int(input()) for i in range(n)] ans = 0 for i in range(n-1): ans += As[i] // 2 As[i] = As[i] % 2 if As[i] == 1 and As[i+1] > 0: As[i+1] -= 1 ans += 1 ans += As[n-1]//2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 13, 17, 14, 2, 2, 18, 13, 2, 13, 17, 17, 2, 18, 13, 13, 17, 0, 13, 17, 0, 18, 13, 13, 17, 0, ...
[ [ 71, 2 ], [ 10, 9 ], [ 72, 12 ], [ 74, 19 ], [ 80, 22 ], [ 26, 25 ], [ 72, 28 ], [ 25, 31 ], [ 75, 37 ], [ 25, 39 ], [ 63, 43 ], [ 51, 43 ], [ 75, 44 ], [ ...
[ "n = int(input())\na = [int(input()) for _ in range(n)]\n\nans = 0\nfor i in range(n):\n if i > 0:\n if a[i-1] == 1 and a[i] > 0:\n ans += 1\n a[i] -= 1\n\n ans += a[i] // 2\n a[i] %= 2\n\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "inpu...
n = int(input()) a = [int(input()) for _ in range(n)] ans = 0 for i in range(n): if i > 0: if a[i-1] == 1 and a[i] > 0: ans += 1 a[i] -= 1 ans += a[i] // 2 a[i] %= 2 print(ans)
[ 7, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 4, 18, 13, 13, 17, 0, 13, 2, 17, 17, 0, 13, 2, 2, 17, 17, 17, 0, 13, 12, 4, 13, 4, 18, 18, 13, 13, 13, 0, 13, 12, 4, ...
[ [ 149, 29 ], [ 140, 34 ], [ 143, 41 ], [ 146, 52 ], [ 137, 67 ], [ 87, 86 ], [ 144, 88 ], [ 91, 90 ], [ 94, 93 ], [ 97, 96 ], [ 86, 99 ], [ 102, 101 ], [ 144, 103 ...
[ "import sys\n\n# import re\nimport math\nimport collections\n# import decimal\nimport bisect\nimport itertools\nimport fractions\n# import functools\nimport copy\nimport heapq\nimport decimal\n# import statistics\nimport queue\nimport numpy as np\n\nsys.setrecursionlimit(10000001)\nINF = 10 ** 16\nMOD = 10 ** 9 + 7...
import sys # import re import math import collections # import decimal import bisect import itertools import fractions # import functools import copy import heapq import decimal # import statistics import queue import numpy as np sys.setrecursionlimit(10000001) INF = 10 ** 16 MOD = 10 ** 9 + 7 ni = lambda: int(sys.s...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 0, 13, 39, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 14, 2, 13, 17, 0, 13, 18, 13, 39, 4, 18, 13, 13, 13, 0, 13, 39, 4, 18, 13, 13, 13, 4, 18, 13, 13, 13, 0, 13, 17, 28, 13,...
[ [ 77, 2 ], [ 83, 8 ], [ 80, 11 ], [ 15, 14 ], [ 78, 17 ], [ 74, 19 ], [ 75, 26 ], [ 89, 29 ], [ 81, 31 ], [ 93, 31 ], [ 84, 35 ], [ 90, 37 ], [ 92, 39 ], [ ...
[ "N = int(input())\nA = []\na = []\nfor i in range(N):\n x = int(input())\n if x==0:\n b = a[:]\n A.append(b)\n a = []\n else:\n a.append(x)\nA.append(a)\ncnt = 0\nfor a in A:\n c = sum(a)\n cnt += c//2\nprint(cnt)", "N = int(input())", "N", "int(input())", "int", ...
N = int(input()) A = [] a = [] for i in range(N): x = int(input()) if x==0: b = a[:] A.append(b) a = [] else: a.append(x) A.append(a) cnt = 0 for a in A: c = sum(a) cnt += c//2 print(cnt)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 2, 39, 17, 13, 28, 13, 4, 13, 13, 0, 18, 13, 13, 4, 13, 4, 13, 0, 13, 2, 39, 17, 13, 0, 18, 13, 17, 2, 18, 13, 17, 17, 0, 13, 2, 18, 13, 17, 17, 28, 13, 4, 13, 17, 13, 0, 13, ...
[ [ 116, 2 ], [ 107, 8 ], [ 117, 12 ], [ 15, 14 ], [ 117, 17 ], [ 22, 19 ], [ 108, 20 ], [ 14, 21 ], [ 119, 27 ], [ 117, 31 ], [ 36, 33 ], [ 120, 34 ], [ 108, 38 ],...
[ "N=int(input())\nA=[0]*N\nfor i in range(N):\n A[i]=int(input())\nB = [0]*N\nB[0]= A[0] %2\nans= A[0]//2\n\nfor i in range(1,N):\n #print(i,A[i],B[i-1], (B[i-1]+A[i])//2 )\n pair= (B[i-1]+A[i])//2\n ans += pair\n if (A[i]+B[i-1]) %2==1 and A[i]!=0:\n B[i] = 1\n else:\n B[i] = 0\n\n...
N=int(input()) A=[0]*N for i in range(N): A[i]=int(input()) B = [0]*N B[0]= A[0] %2 ans= A[0]//2 for i in range(1,N): #print(i,A[i],B[i-1], (B[i-1]+A[i])//2 ) pair= (B[i-1]+A[i])//2 ans += pair if (A[i]+B[i-1]) %2==1 and A[i]!=0: B[i] = 1 else: B[i] = 0 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 18, 4, 13, 13, 39, 17, 14, 2, 13, 2, 13, 17, 0, 13, 4, 13, 18, 13, 2, 13, 17, 18, 13, 13, 0, 13, 13, 0, 18, 13, ...
[ [ 95, 2 ], [ 10, 9 ], [ 96, 12 ], [ 89, 19 ], [ 92, 22 ], [ 26, 25 ], [ 96, 29 ], [ 25, 34 ], [ 96, 36 ], [ 83, 39 ], [ 90, 43 ], [ 25, 45 ], [ 66, 47 ], [ ...
[ "n=int(input())\na=[int(input()) for i in range(n)]\nans=0\nfor i in range(n)[::-1]:\n if i<n-1:\n x=min(a[i+1],a[i])\n ans+=x\n a[i]-=x\n ans+=a[i]//2\n a[i]-=2*(a[i]//2)\nprint(ans) ", "n=int(input())", "n", "int(input())", "int", "input()", "input", "int(input()) for...
n=int(input()) a=[int(input()) for i in range(n)] ans=0 for i in range(n)[::-1]: if i<n-1: x=min(a[i+1],a[i]) ans+=x a[i]-=x ans+=a[i]//2 a[i]-=2*(a[i]//2) print(ans)
[ 7, 0, 13, 39, 17, 0, 13, 4, 13, 0, 13, 4, 13, 4, 13, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 4, 18, 13, 13, 13, 14, 2, 13, 17, 4, 18, 13, 13, 4, 13, 13, 0, 13, 4, 13, 13, 4, 18, 13, 13, 13, 28, 13, 4, 13, ...
[ [ 90, 2 ], [ 102, 6 ], [ 105, 10 ], [ 17, 16 ], [ 106, 19 ], [ 96, 21 ], [ 103, 28 ], [ 97, 30 ], [ 97, 33 ], [ 91, 37 ], [ 103, 41 ], [ 93, 43 ], [ 103, 46 ], ...
[ "R=[0]\nL=list()\nN=int(input())\nfor i in range(N):\n k=int(input())\n L.append(k)\n if k==0:\n R.append(len(L))\nS=sum(L)\nR.append(N)\nfor i in range(len(R)-1):\n if sum(L[R[i]:R[i+1]])%2==1:\n S=S-1\nprint(S//2)", "R=[0]", "R", "[0]", "0", "L=list()", "L", "list()", "list", "N=int(in...
R=[0] L=list() N=int(input()) for i in range(N): k=int(input()) L.append(k) if k==0: R.append(len(L)) S=sum(L) R.append(N) for i in range(len(R)-1): if sum(L[R[i]:R[i+1]])%2==1: S=S-1 print(S//2)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 0, 13, 2, 2, 13, 13, 17, 0, 13, 8, 2, 2, 2, 2, 13, 13, 17, 17, 2, 13, 17, 17, 17, 4, 13, 13, 10...
[ [ 60, 2 ], [ 10, 9 ], [ 61, 12 ], [ 69, 19 ], [ 72, 22 ], [ 63, 25 ], [ 29, 28 ], [ 70, 28 ], [ 66, 31 ], [ 28, 34 ], [ 64, 35 ], [ 58, 35 ], [ 57, 38 ], [ ...
[ "N = int(input())\nA = [int(input()) for i in range(N)]\n\nans = 0\nrest = 0\nfor a in A:\n ans += (a + rest) // 2\n rest = 1 if (a + rest) % 2 == 1 and a > 0 else 0\n\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "int(input()) for i in range(N)", "for i in ...
N = int(input()) A = [int(input()) for i in range(N)] ans = 0 rest = 0 for a in A: ans += (a + rest) // 2 rest = 1 if (a + rest) % 2 == 1 and a > 0 else 0 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 2, 39, 17, 13, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 0, 18, 13, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 14, 2, 2, 2, 18, 13, 13, 17, 17, 2, 18, 13, 2, 13, 17, 17, 0, ...
[ [ 91, 2 ], [ 88, 8 ], [ 92, 12 ], [ 15, 14 ], [ 92, 17 ], [ 85, 19 ], [ 28, 25 ], [ 89, 26 ], [ 14, 27 ], [ 86, 28 ], [ 100, 30 ], [ 34, 33 ], [ 92, 37 ], [ ...
[ "n = int(input())\nls = [0] * n\nfor i in range(n):\n a = int(input())\n ls[i] = a\n\nans = 0\nfor i in range(n-1):\n if ls[i] % 2 == 1 and ls[i+1] > 0:\n ls[i] += 1\n ls[i+1] -= 1\n ans += ls[i] // 2\nans += ls[-1] // 2\nprint(ans)", "n = int(input())", "n", "int(input())", "int",...
n = int(input()) ls = [0] * n for i in range(n): a = int(input()) ls[i] = a ans = 0 for i in range(n-1): if ls[i] % 2 == 1 and ls[i+1] > 0: ls[i] += 1 ls[i+1] -= 1 ans += ls[i] // 2 ans += ls[-1] // 2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 15, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 2, 13, 39, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 17, 14, 2, 2, 18, 13, 13, ...
[ [ 89, 2 ], [ 86, 8 ], [ 13, 12 ], [ 90, 15 ], [ 87, 18 ], [ 98, 25 ], [ 87, 27 ], [ 92, 31 ], [ 35, 34 ], [ 90, 37 ], [ 95, 39 ], [ 68, 41 ], [ 46, 41 ], [ ...
[ "n = int(input())\na = []\nfrom collections import Counter\nfor _ in range(n):\n a.append(int(input()))\n \na = a + [0]\n \nans = 0\nfor i in range(n):\n ans += a[i] // 2\n a[i] %= 2\n if a[i] == 1 and a[i+1] >= 1:\n ans += 1\n a[i] = 0\n a[i+1] -= 1\n \nprint(ans)", ...
n = int(input()) a = [] from collections import Counter for _ in range(n): a.append(int(input())) a = a + [0] ans = 0 for i in range(n): ans += a[i] // 2 a[i] %= 2 if a[i] == 1 and a[i+1] >= 1: ans += 1 a[i] = 0 a[i+1] -= 1 print(ans)
[ 7, 15, 13, 4, 18, 13, 13, 2, 17, 17, 0, 13, 18, 18, 13, 13, 13, 12, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 2, 13,...
[ [ 96, 11 ], [ 21, 20 ], [ 97, 24 ], [ 28, 27 ], [ 20, 30 ], [ 97, 35 ], [ 38, 37 ], [ 41, 40 ], [ 44, 43 ], [ 47, 46 ], [ 37, 46 ], [ 43, 50 ], [ 82, 50 ], [ ...
[ "import sys\n\nsys.setrecursionlimit(10 ** 8)\n\ninput = sys.stdin.readline\n\n\ndef main():\n N = int(input())\n A = [int(input()) for _ in range(N)]\n\n ans = 0\n amari = 0\n for a in A:\n if amari == 0:\n amari = a % 2\n ans += a // 2\n else:\n ans +=...
import sys sys.setrecursionlimit(10 ** 8) input = sys.stdin.readline def main(): N = int(input()) A = [int(input()) for _ in range(N)] ans = 0 amari = 0 for a in A: if amari == 0: amari = a % 2 ans += a // 2 else: ans += min(amari, a) ...
[ 7, 0, 13, 4, 13, 13, 4, 18, 4, 18, 4, 13, 17, 13, 13, 31, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 0, 13, 4, 13, 2, 13, 13, 17, 13, 0, 13, 13, 14, 2, 13, 17, 4, 13, 13, 10, 4, 13, 10, 4, 13, 10, 13, 13, 10, 17...
[ [ 46, 2 ], [ 46, 15 ], [ 61, 18 ], [ 61, 21 ], [ 25, 24 ], [ 58, 27 ], [ 24, 31 ], [ 56, 32 ], [ 59, 32 ], [ 58, 34 ], [ 52, 36 ], [ 50, 37 ], [ 24, 40 ], [ ...
[ "n, *a = map(int, open(0).read().split())\n\nans = prev = 0\nfor i in a:\n tmp, prev = divmod(i+prev, 2)\n ans += tmp\n if i==0: prev=0\nprint(ans)", "n, *a = map(int, open(0).read().split())", "n", "map(int, open(0).read().split())", "map", "int", "open(0).read().split()", "(0).r...
n, *a = map(int, open(0).read().split()) ans = prev = 0 for i in a: tmp, prev = divmod(i+prev, 2) ans += tmp if i==0: prev=0 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 2, 18, 13, 17, 17, 0, 18, 13, 17, 17, 28, 13, 4, 13, 17, 13, 14, 2, 2, 18, 13, 2, 13, 17, 17, 2, 18, 13, 13, 17, ...
[ [ 80, 2 ], [ 10, 9 ], [ 81, 12 ], [ 92, 19 ], [ 95, 22 ], [ 83, 25 ], [ 93, 28 ], [ 35, 32 ], [ 93, 33 ], [ 38, 37 ], [ 81, 41 ], [ 93, 46 ], [ 37, 48 ], [ ...
[ "n = int(input())\na = [int(input()) for i in range(n)]\nans = 0\nans += a[0]//2\na[0] %= 2\nfor i in range(1,n):\n if a[i-1] == 1 and a[i] > 0:\n ans += 1\n a[i] -= 1\n ans += a[i]//2\n a[i] %= 2\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", "input", ...
n = int(input()) a = [int(input()) for i in range(n)] ans = 0 ans += a[0]//2 a[0] %= 2 for i in range(1,n): if a[i-1] == 1 and a[i] > 0: ans += 1 a[i] -= 1 ans += a[i]//2 a[i] %= 2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 4, 13, 0, 13, 2, 13, 17, 0, 13, 2, 13, 17, 28, 13, 4, 13, 2, 13, 17, 0, 13, 4, 13, 4, 13, 0, 13, 2, 2, 13, 13, 17, 14, 2, 13, 17, 0, 13, 17, 0, 13, 2, 2, 13, 13, 17, ...
[ [ 61, 2 ], [ 67, 8 ], [ 70, 14 ], [ 68, 16 ], [ 76, 19 ], [ 68, 21 ], [ 25, 24 ], [ 62, 28 ], [ 82, 31 ], [ 79, 37 ], [ 77, 40 ], [ 74, 40 ], [ 65, 40 ], [ ...
[ "N = int(input())\nA = int(input())\nans = A//2\namari = A % 2\nfor _ in range(N-1):\n A = int(input())\n ans += (amari+A)//2\n if A == 0:\n amari = 0\n else:\n amari = (amari+A) % 2\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "A = int(in...
N = int(input()) A = int(input()) ans = A//2 amari = A % 2 for _ in range(N-1): A = int(input()) ans += (amari+A)//2 if A == 0: amari = 0 else: amari = (amari+A) % 2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 4, 18, 13, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 4, 13, 13, 14, 40, 18, 13, 13, 17, 14, 2, 13, 2, 4, 13, 13, 17, 0, 13, 18, ...
[ [ 84, 2 ], [ 108, 8 ], [ 12, 11 ], [ 85, 14 ], [ 111, 16 ], [ 109, 23 ], [ 112, 25 ], [ 87, 27 ], [ 93, 30 ], [ 34, 33 ], [ 109, 38 ], [ 109, 42 ], [ 33, 43 ], ...
[ "N = int(input())\nA_list = []\nfor i in range(N):\n A = int(input())\n A_list.append(A)\n# print(A_list)\n\nans = 0\ntmp = 0\nfor i in range(len(A_list)):\n if A_list[i] != 0:\n if i == len(A_list)-1:\n tmp += A_list[i]\n ans += int(tmp/2)\n else:\n tmp += A_...
N = int(input()) A_list = [] for i in range(N): A = int(input()) A_list.append(A) # print(A_list) ans = 0 tmp = 0 for i in range(len(A_list)): if A_list[i] != 0: if i == len(A_list)-1: tmp += A_list[i] ans += int(tmp/2) else: tmp += A_list[i] else: ...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 0, 13, 13, 0, 13, 2, 2, 13, 13, 17, 0, 13, 2, 2, 13, 13, 17, 14, 2, 13, 17, 0, 13, 17, 4, 13, 13, 10, 4, 13, 10, 2, 13...
[ [ 52, 2 ], [ 61, 8 ], [ 73, 11 ], [ 15, 14 ], [ 53, 17 ], [ 70, 19 ], [ 64, 25 ], [ 62, 26 ], [ 68, 26 ], [ 56, 26 ], [ 55, 28 ], [ 62, 31 ], [ 68, 31 ], [ ...
[ "n=int(input())\ncarry=0\nans=0\nfor i in range(n):\n a=int(input())\n carrycopy=carry\n carry=(carry+a)%2\n ans+=(a+carrycopy)//2\n if a==0:\n carry=0\nprint(ans)", "n=int(input())", "n", "int(input())", "int", "input()", "input", "carry=0", "carry", "0", "ans=0", "ans", "0", "for...
n=int(input()) carry=0 ans=0 for i in range(n): a=int(input()) carrycopy=carry carry=(carry+a)%2 ans+=(a+carrycopy)//2 if a==0: carry=0 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, 4, 13, 10, 13, 13, 10, 2, 13, ...
[ [ 66, 2 ], [ 69, 8 ], [ 60, 11 ], [ 15, 14 ], [ 67, 17 ], [ 48, 19 ], [ 49, 26 ], [ 54, 29 ], [ 61, 31 ], [ 52, 31 ], [ 64, 31 ], [ 63, 34 ], [ 51, 37 ], [ ...
[ "N = int(input())\nans = 0\ncnt = 0\nfor _ in range(N):\n a = int(input())\n if a==0:\n ans += cnt//2\n cnt = 0\n else:\n cnt += a\nans += cnt//2\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "ans = 0", "ans", "0", "cnt = 0", "c...
N = int(input()) ans = 0 cnt = 0 for _ in range(N): a = int(input()) if a==0: ans += cnt//2 cnt = 0 else: cnt += a ans += cnt//2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 14, 2, 2, 18, 13, 13, 17, 2, 18, 13, 2, 13, 17, 17, 0, 18, 13, 13, 17, 0, 18, 13, 2, 13, 17, ...
[ [ 85, 2 ], [ 10, 9 ], [ 86, 12 ], [ 79, 19 ], [ 82, 22 ], [ 26, 25 ], [ 86, 29 ], [ 46, 34 ], [ 80, 35 ], [ 25, 36 ], [ 80, 40 ], [ 25, 42 ], [ 49, 46 ], [ ...
[ "n = int(input())\na = [int(input()) for _ in range(n)]\n\nans = 0\nfor i in range(n - 1):\n if a[i] & 1 and a[i + 1] > 0:\n a[i] -= 1\n a[i + 1] -= 1\n ans += 1\nfor i in range(n):\n ans += a[i] // 2\n\n\nprint(ans)", "n = int(input())", "n", "int(input())", "int", "input()", ...
n = int(input()) a = [int(input()) for _ in range(n)] ans = 0 for i in range(n - 1): if a[i] & 1 and a[i + 1] > 0: a[i] -= 1 a[i + 1] -= 1 ans += 1 for i in range(n): ans += a[i] // 2 print(ans)
[ 7, 12, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 17, 14, 2, 2, 18, 13, 13, 2, 2, 13, 17, 13, 18, 13, 2, 13, 17, 0, 13, 17, 0, 18, 13, 2, 13, 17, 17, 29, 13, 23, 13, 23, 13, ...
[ [ 5, 4 ], [ 8, 7 ], [ 52, 10 ], [ 13, 12 ], [ 19, 14 ], [ 54, 15 ], [ 7, 16 ], [ 22, 19 ], [ 54, 20 ], [ 7, 21 ], [ 19, 26 ], [ 54, 27 ], [ 7, 28 ], [ 7, ...
[ "def solve(N, A):\n ret = 0\n for idx in range(N):\n ret += A[idx] // 2\n A[idx] %= 2\n if A[idx] and idx + 1 < N and A[idx + 1]:\n ret += 1\n A[idx + 1] -= 1\n return ret\n\nif __name__ == \"__main__\":\n N = int(input())\n A = [0 for _ in range(N)]\n fo...
def solve(N, A): ret = 0 for idx in range(N): ret += A[idx] // 2 A[idx] %= 2 if A[idx] and idx + 1 < N and A[idx + 1]: ret += 1 A[idx + 1] -= 1 return ret if __name__ == "__main__": N = int(input()) A = [0 for _ in range(N)] for idx in range(N): ...
[ 7, 15, 13, 0, 13, 17, 12, 13, 0, 13, 4, 13, 4, 13, 0, 13, 2, 39, 17, 2, 13, 17, 28, 13, 4, 13, 13, 0, 13, 4, 13, 4, 13, 0, 18, 13, 13, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 14, 2, 2, ...
[ [ 129, 4 ], [ 10, 9 ], [ 16, 15 ], [ 9, 20 ], [ 24, 23 ], [ 9, 26 ], [ 29, 28 ], [ 37, 34 ], [ 15, 35 ], [ 23, 36 ], [ 28, 37 ], [ 40, 39 ], [ 43, 42 ], [ 9...
[ "import sys\nbbn=1000000007\n\t\n#+++++\n\n\t\t\ndef main():\n\tn = int(input())\n\tl=[0]*(n+1)\n\tfor i in range(n):\n\t\ta=int(input())\n\t\tl[i]=a\n\n\tret=0\n\tfor i in range(n):\n\t\tret += l[i] // 2\n\t\tif l[i]%2==1 and l[i+1]>=1:\n\t\t\tret+=1\n\t\t\tl[i+1]-=1\n\tprint(ret)\n\t\n\t\n#+++++\nisTest=False\n\n...
import sys bbn=1000000007 #+++++ def main(): n = int(input()) l=[0]*(n+1) for i in range(n): a=int(input()) l[i]=a ret=0 for i in range(n): ret += l[i] // 2 if l[i]%2==1 and l[i+1]>=1: ret+=1 l[i+1]-=1 print(ret) #+++++ isTest=False def pa(v): if isTest: print(v) if __name__ == "__ma...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 2, 39, 17, 13, 28, 13, 4, 13, 13, 0, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 0, 13, 13, 14, 2, 2, 13, 17, 13, 14, 2, 2, 2, 18, 13, ...
[ [ 86, 2 ], [ 92, 8 ], [ 87, 12 ], [ 15, 14 ], [ 87, 17 ], [ 22, 19 ], [ 93, 20 ], [ 14, 21 ], [ 80, 27 ], [ 31, 30 ], [ 87, 33 ], [ 89, 35 ], [ 19, 37 ], [ ...
[ "n=int(input())\na=[0]*n\nfor i in range(n):\n a[i]=int(input())\n\nans=0\nfor i in range(n):\n pea=a[i]//2\n ans+=pea\n if i+1<n:\n if a[i]%2==1 and a[i+1]>=1:\n a[i+1]-=1\n ans+=1\n\nprint(ans)", "n=int(input())", "n", "int(input())", "int", "input()", "input",...
n=int(input()) a=[0]*n for i in range(n): a[i]=int(input()) ans=0 for i in range(n): pea=a[i]//2 ans+=pea if i+1<n: if a[i]%2==1 and a[i+1]>=1: a[i+1]-=1 ans+=1 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 28, 13, 4, 13, 2, 13, 17, 0, 13, 2, 18, 13, 13, 17, 14, 40, 2, 18, 13, 13, 17, 17, 14, 2, 17, 18, 13, 2, 13, 17, 0, 13, ...
[ [ 77, 2 ], [ 10, 9 ], [ 78, 12 ], [ 89, 19 ], [ 86, 22 ], [ 26, 25 ], [ 78, 29 ], [ 80, 32 ], [ 90, 35 ], [ 25, 36 ], [ 90, 42 ], [ 25, 43 ], [ 90, 50 ], [ ...
[ "N = int(input())\nA = [int(input()) for _ in range(N)]\nans = 0\nfor i in range(N-1):\n ans += A[i] // 2\n if A[i] % 2 != 0:\n if 0 < A[i+1]:\n ans += 1\n A[i+1] -= 1\nans += A[N-1] // 2\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input",...
N = int(input()) A = [int(input()) for _ in range(N)] ans = 0 for i in range(N-1): ans += A[i] // 2 if A[i] % 2 != 0: if 0 < A[i+1]: ans += 1 A[i+1] -= 1 ans += A[N-1] // 2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 12, 13, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 13, 17, 0, 13, 4, 13, 18, 13, 2, 13, 17, 18, 13, 13, 0, 18, 13, 2, 13, 17, 13, 0, 18, ...
[ [ 162, 2 ], [ 10, 9 ], [ 163, 12 ], [ 144, 19 ], [ 25, 24 ], [ 28, 27 ], [ 163, 30 ], [ 27, 33 ], [ 37, 36 ], [ 115, 40 ], [ 27, 42 ], [ 98, 44 ], [ 70, 44 ], [...
[ "N = int(input())\nA = [int(input()) for _ in range(N)]\n\n\ndef counter(ar):\n count = 0\n for i in range(N):\n # print(i, ar, count)\n if i > 0:\n c = min(ar[i - 1], ar[i])\n ar[i - 1] -= c\n ar[i] -= c\n count += c\n c = ar[i] // 2\n a...
N = int(input()) A = [int(input()) for _ in range(N)] def counter(ar): count = 0 for i in range(N): # print(i, ar, count) if i > 0: c = min(ar[i - 1], ar[i]) ar[i - 1] -= c ar[i] -= c count += c c = ar[i] // 2 ar[i] -= c * 2 ...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 2, 39, 17, 13, 28, 13, 4, 13, 13, 0, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 13, 17, 0, 13, 2, 18, 13, 13, 17, 0, 18, 13, 13, 2, 18, 13, 13, 2, 2, 18, ...
[ [ 155, 2 ], [ 146, 8 ], [ 156, 12 ], [ 15, 14 ], [ 156, 17 ], [ 22, 19 ], [ 147, 20 ], [ 14, 21 ], [ 149, 27 ], [ 31, 30 ], [ 156, 33 ], [ 30, 36 ], [ 140, 39 ], ...
[ "n=int(input())\na=[0]*n\nfor i in range(n):\n a[i]=int(input())\nans=0\nfor i in range(n):\n if i==0:\n ans+=a[i]//2\n a[i]=a[i]-(a[i]//2)*2\n else:\n if a[i-1]==0:\n ans+=a[i]//2\n a[i]=a[i]-(a[i]//2)*2\n else:\n if a[i]>=1:\n an...
n=int(input()) a=[0]*n for i in range(n): a[i]=int(input()) ans=0 for i in range(n): if i==0: ans+=a[i]//2 a[i]=a[i]-(a[i]//2)*2 else: if a[i-1]==0: ans+=a[i]//2 a[i]=a[i]-(a[i]//2)*2 else: if a[i]>=1: ans+=1 ...
[ 7, 15, 15, 0, 13, 4, 13, 4, 18, 4, 18, 13, 13, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 18, 4, 18, 13, 13, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, ...
[ [ 81, 4 ], [ 17, 16 ], [ 82, 19 ], [ 66, 31 ], [ 84, 34 ], [ 75, 37 ], [ 41, 40 ], [ 67, 40 ], [ 40, 44 ], [ 78, 47 ], [ 85, 49 ], [ 73, 49 ], [ 70, 49 ], [ ...
[ "from sys import stdin\nfrom itertools import groupby\nn = int(stdin.readline().rstrip())\nli = [int(stdin.readline().rstrip()) for _ in range(n)]\ncount = 0\npoint = 0\nfor i in li:\n if i == 0:\n point += count//2\n count = 0\n else:\n count += i\npoint += count//2\nprint(point)", "fr...
from sys import stdin from itertools import groupby n = int(stdin.readline().rstrip()) li = [int(stdin.readline().rstrip()) for _ in range(n)] count = 0 point = 0 for i in li: if i == 0: point += count//2 count = 0 else: count += i point += count//2 print(point)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 2, 39, 17, 13, 0, 13, 17, 28, 13, 4, 13, 17, 2, 13, 17, 14, 40, 18, 13, 13, 17, 0, 13, 18, 13, 2, 13, 17, 0, 18, 13, 13, 18, 13, 2, 13,...
[ [ 83, 2 ], [ 10, 9 ], [ 84, 12 ], [ 77, 19 ], [ 80, 25 ], [ 29, 28 ], [ 84, 33 ], [ 65, 37 ], [ 49, 37 ], [ 78, 38 ], [ 28, 39 ], [ 89, 42 ], [ 78, 44 ], [ ...
[ "N = int(input())\nA = [0] + [int(input()) for _ in range(N)]\n\nans = 0\nfor i in range(1,N+1):\n if A[i] != 0:\n ans += A[i-1]\n A[i] -= A[i-1]\n ans += A[i]//2\n A[i] = A[i]%2\n\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "int(input()) fo...
N = int(input()) A = [0] + [int(input()) for _ in range(N)] ans = 0 for i in range(1,N+1): if A[i] != 0: ans += A[i-1] A[i] -= A[i-1] ans += A[i]//2 A[i] = A[i]%2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 2, 18, 13, 13, 17, 17, 14, 2, 13, 17, 0, 13, 17, 0, 13, 2, 2, 18, 13, 13, 17, 17, ...
[ [ 109, 2 ], [ 10, 9 ], [ 110, 12 ], [ 130, 19 ], [ 133, 22 ], [ 136, 25 ], [ 29, 28 ], [ 110, 31 ], [ 131, 36 ], [ 28, 37 ], [ 137, 42 ], [ 116, 42 ], [ 140, 42 ]...
[ "n = int(input())\nai = [int(input()) for i in range(n)]\n\nans = 0\nnokori = 0\n\nfor i in range(n):\n if ai[i] % 2 == 1:\n if nokori == 1:\n nokori = 0\n ans += ai[i] // 2 + 1\n else:\n nokori = 1\n ans += ai[i] // 2\n elif ai[i] > 0:\n if nok...
n = int(input()) ai = [int(input()) for i in range(n)] ans = 0 nokori = 0 for i in range(n): if ai[i] % 2 == 1: if nokori == 1: nokori = 0 ans += ai[i] // 2 + 1 else: nokori = 1 ans += ai[i] // 2 elif ai[i] > 0: if nokori == 1: ...
[ 7, 15, 12, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 2, 13, 39, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 14, 2, 2, 18, 13, 13, 17, 17, 14, 40, 18, 13, 2, 13,...
[ [ 6, 5 ], [ 13, 12 ], [ 5, 15 ], [ 23, 22 ], [ 29, 28 ], [ 32, 31 ], [ 5, 34 ], [ 37, 36 ], [ 22, 39 ], [ 31, 40 ], [ 22, 46 ], [ 31, 47 ], [ 22, 53 ], [ 31...
[ "from collections import defaultdict\n\ndef main():\n N = int(input())\n A = [int(input()) for _ in range(N)] + [0]\n\n ans = 0\n for i in range(N):\n ans += A[i] // 2\n if A[i] % 2 == 1:\n if A[i+1] >= 1:\n ans += 1\n A[i+1] -= 1\n\n print(ans)\...
from collections import defaultdict def main(): N = int(input()) A = [int(input()) for _ in range(N)] + [0] ans = 0 for i in range(N): ans += A[i] // 2 if A[i] % 2 == 1: if A[i+1] >= 1: ans += 1 A[i+1] -= 1 print(ans) if _...
[ 7, 12, 13, 0, 13, 39, 28, 13, 4, 13, 4, 13, 4, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 2, 13, 2, 13, 17, 0, 13, 17, 0, 13, 2, 13, 13, 0, 13, 2, 13, 2, 13, ...
[ [ 5, 4 ], [ 8, 7 ], [ 4, 16 ], [ 24, 23 ], [ 27, 26 ], [ 30, 29 ], [ 4, 29 ], [ 29, 33 ], [ 37, 36 ], [ 23, 38 ], [ 36, 38 ], [ 26, 40 ], [ 46, 40 ], [ 43, ...
[ "def main():\n\tarr =[]\n\tfor i in range(int(input())):\n\t\tarr.append(int(input()))\n\tans = 0\n\tnow = 0\n# (arr[i]+arr[i+1])//2 >= (arr[i]/2)+(arr[i+1]/2)\n\tfor i in arr:\n\t\tif i==0:\n\t\t\tans = ans +(now//2)\n\t\t\tnow = 0\n\t\telse:\n\t\t\tnow = now+i\n\tans= ans+(now//2)\n\tprint(ans)\nif __name__ ==\"_...
def main(): arr =[] for i in range(int(input())): arr.append(int(input())) ans = 0 now = 0 # (arr[i]+arr[i+1])//2 >= (arr[i]/2)+(arr[i+1]/2) for i in arr: if i==0: ans = ans +(now//2) now = 0 else: now = now+i ans= ans+(now//2) print(ans) if __name__ =="__main__": main()
[ 7, 15, 13, 0, 13, 18, 18, 13, 13, 13, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 2, 13, 39, 17, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 18, 13, 13, 17, 0, 13, 13, 0, 18, 13, 13, 2, ...
[ [ 109, 4 ], [ 91, 11 ], [ 110, 15 ], [ 19, 18 ], [ 92, 21 ], [ 110, 26 ], [ 97, 28 ], [ 94, 34 ], [ 38, 37 ], [ 92, 40 ], [ 103, 42 ], [ 76, 44 ], [ 52, 44 ], [...
[ "import sys\ninput = sys.stdin.readline\n\nN = int(input())\nA = [int(input()) for _ in range(N)] + [0]\n\nans = 0\nfor i in range(N):\n # できるだけ左でペアを作る\n Lpair = A[i] // 2\n ans += Lpair\n A[i] -= 2 * Lpair\n\n if A[i] > 0 and A[i + 1] > 0:\n ans += 1\n A[i] -= 1\n A[i + 1] -= 1\...
import sys input = sys.stdin.readline N = int(input()) A = [int(input()) for _ in range(N)] + [0] ans = 0 for i in range(N): # できるだけ左でペアを作る Lpair = A[i] // 2 ans += Lpair A[i] -= 2 * Lpair if A[i] > 0 and A[i + 1] > 0: ans += 1 A[i] -= 1 A[i + 1] -= 1 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 17, 2, 13, 17, 0, 13, 4, 13, 4, 13, 14, 2, 13, 17, 0, 13, 2, 13, 17, 0, 13, 17, 0, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, 17, 13, 10, 17, 13, ...
[ [ 63, 2 ], [ 72, 8 ], [ 54, 11 ], [ 15, 14 ], [ 64, 19 ], [ 57, 22 ], [ 58, 29 ], [ 60, 32 ], [ 55, 34 ], [ 70, 34 ], [ 52, 34 ], [ 51, 37 ], [ 69, 40 ], [ ...
[ "N=int(input())\nans=0\ns=0\nfor i in range(1,N+1):\n Ai=int(input())\n if Ai==0:\n ans+=s//2\n s=0\n else:\n s+=Ai\nans+=s//2\nprint(ans)", "N=int(input())", "N", "int(input())", "int", "input()", "input", "ans=0", "ans", "0", "s=0", "s", "0", "for i in range...
N=int(input()) ans=0 s=0 for i in range(1,N+1): Ai=int(input()) if Ai==0: ans+=s//2 s=0 else: s+=Ai ans+=s//2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 18, 13, 13, 17, 0, 13, 17, 9, 0, 13, 2, 2, 18, 13, 13, 13, 17, 0, 13, 2, 2, 18, 1...
[ [ 67, 2 ], [ 10, 9 ], [ 68, 12 ], [ 70, 19 ], [ 76, 22 ], [ 82, 25 ], [ 29, 28 ], [ 68, 31 ], [ 71, 35 ], [ 28, 36 ], [ 64, 39 ], [ 79, 43 ], [ 71, 47 ], [ ...
[ "N = int(input())\nA = [int(input()) for _ in range(N)]\n\ncnt = 0\nremain = 0\nfor n in range(N):\n if A[n] == 0:\n remain = 0\n continue\n cnt += (A[n]+remain)//2 \n remain = (A[n]+remain)%2\nprint(cnt)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "int...
N = int(input()) A = [int(input()) for _ in range(N)] cnt = 0 remain = 0 for n in range(N): if A[n] == 0: remain = 0 continue cnt += (A[n]+remain)//2 remain = (A[n]+remain)%2 print(cnt)
[ 7, 0, 13, 4, 13, 4, 13, 41, 28, 13, 4, 13, 13, 4, 4, 13, 4, 13, 0, 13, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 13, 14, 2, 13, 17, 14, 40, 18, 13, 13, 17, 0, 18, 13, 13, 17, 0, 13, 17, 0, 13, 2, 18, 13, 13,...
[ [ 86, 2 ], [ 10, 9 ], [ 87, 12 ], [ 77, 19 ], [ 68, 22 ], [ 83, 25 ], [ 29, 28 ], [ 87, 31 ], [ 69, 34 ], [ 75, 34 ], [ 81, 34 ], [ 43, 38 ], [ 78, 39 ], [ ...
[ "N = int(input())\nA = [int(input()) for _ in range(N)]\n\nr = 0\nans = 0\nfor i in range(N):\n if r == 1:\n if A[i] != 0:\n A[i] += 1\n else:\n r = 0\n ans += A[i]//2\n r = A[i]%2\n\nprint(ans)", "N = int(input())", "N", "int(input())", "int", "input()", "in...
N = int(input()) A = [int(input()) for _ in range(N)] r = 0 ans = 0 for i in range(N): if r == 1: if A[i] != 0: A[i] += 1 else: r = 0 ans += A[i]//2 r = A[i]%2 print(ans)
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[ [ 91, 9 ], [ 94, 16 ], [ 24, 23 ], [ 30, 29 ], [ 33, 32 ], [ 23, 35 ], [ 29, 38 ], [ 46, 45 ], [ 49, 48 ], [ 52, 51 ], [ 29, 51 ], [ 57, 56 ], [ 51, 57 ], [ ...
[ "# -*- coding: utf-8 -*-\nimport sys\nfrom collections import deque, defaultdict\nfrom math import sqrt, factorial, gcd, ceil, atan, pi\n# def input(): return sys.stdin.readline()[:-1] # warning not \\n\n# def input(): return sys.stdin.buffer.readline().strip() # warning bytes\n# def input(): return sys.stdin.buffe...
# -*- coding: utf-8 -*- import sys from collections import deque, defaultdict from math import sqrt, factorial, gcd, ceil, atan, pi # def input(): return sys.stdin.readline()[:-1] # warning not \n # def input(): return sys.stdin.buffer.readline().strip() # warning bytes # def input(): return sys.stdin.buffer.readline()...
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 13, 4, 18, 13, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 13, 14, 2, 13, 17, 0, 13, 17, 0, 13, 13, 0, 13, 2, 13, 17, 0, 13, 2, 13, 17, 4, 13, 13, 10, ...
[ [ 74, 2 ], [ 71, 8 ], [ 12, 11 ], [ 75, 14 ], [ 72, 17 ], [ 59, 24 ], [ 62, 27 ], [ 31, 30 ], [ 72, 30 ], [ 30, 34 ], [ 66, 34 ], [ 68, 37 ], [ 65, 40 ], [ ...
[ "N = int(input())\nA = []\nfor _ in range(N):\n A.append(int(input()))\nres = 0\np = 0\nfor a in A:\n if a==0:\n p = 0\n a += p\n res += a//2\n p = a%2\nprint(res)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "A = []", "A", "[]", "for _ in range(N):...
N = int(input()) A = [] for _ in range(N): A.append(int(input())) res = 0 p = 0 for a in A: if a==0: p = 0 a += p res += a//2 p = a%2 print(res)
[ 7, 15, 13, 12, 13, 12, 13, 0, 13, 4, 13, 4, 13, 4, 13, 2, 2, 13, 2, 13, 17, 17, 14, 2, 13, 17, 4, 13, 10, 12, 13, 10, 12, 13 ]
[ [ 9, 8 ], [ 30, 12 ], [ 8, 17 ], [ 8, 19 ], [ 33, 27 ] ]
[ "import sys\ndef input(): return sys.stdin.readline().strip()\n\ndef main():\n n = int(input())\n print(n * (n + 1) // 2)\n\nif __name__ == \"__main__\":\n main()", "import sys", "sys", "def input(): return sys.stdin.readline().strip()", "input", "def main():\n n = int(input())\n print(n * ...
import sys def input(): return sys.stdin.readline().strip() def main(): n = int(input()) print(n * (n + 1) // 2) if __name__ == "__main__": main()
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, 17, 13, 10, 4, 13, 10, 2, 13 ]
[ [ 27, 2 ], [ 24, 8 ], [ 12, 11 ], [ 28, 14 ], [ 30, 16 ], [ 11, 18 ], [ 31, 22 ], [ 25, 22 ], [ 24, 25 ], [ 27, 28 ], [ 30, 31 ] ]
[ "a = int(input())\nal = 0\nfor i in range(a):\n al += i + 1\nprint(al)", "a = int(input())", "a", "int(input())", "int", "input()", "input", "al = 0", "al", "0", "for i in range(a):\n al += i + 1", "i", "range(a)", "range", "a", "al += i + 1", "al", "i + 1", "i", "1", "...
a = int(input()) al = 0 for i in range(a): al += i + 1 print(al)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 0, 13, 17, 28, 13, 4, 13, 17, 2, 13, 17, 0, 13, 2, 13, 13, 4, 13, 13, 10, 2, 13, 10, 17, 13, 10, 4, 13, 10, 17, 13 ]
[ [ 36, 2 ], [ 39, 8 ], [ 33, 11 ], [ 15, 14 ], [ 37, 19 ], [ 30, 22 ], [ 34, 24 ], [ 31, 24 ], [ 14, 25 ], [ 31, 28 ], [ 34, 28 ], [ 30, 31 ], [ 33, 34 ], [ ...
[ "# 子供の人数を取得\nN = int(input())\n\n# 子供の人数分のキャンディの個数を計算\nChildrencnt = 1\nCandysum = 0\nfor Childrencnt in range(1, N+1):\n Candysum = Candysum + Childrencnt\n\n# キャンディの合計個数を出力\nelse:\n print(Candysum)", "N = int(input())", "N", "int(input())", "int", "input()", "input", "Childrencnt = 1", "Chil...
# 子供の人数を取得 N = int(input()) # 子供の人数分のキャンディの個数を計算 Childrencnt = 1 Candysum = 0 for Childrencnt in range(1, N+1): Candysum = Candysum + Childrencnt # キャンディの合計個数を出力 else: print(Candysum)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 14, 40, 40, 17, 13, 17, 28, 13, 4, 13, 13, 0, 13, 2, 13, 17, 4, 13, 13, 10, 4, 13, 10, 17, 13, 10, 2, 13 ]
[ [ 30, 2 ], [ 33, 8 ], [ 31, 14 ], [ 18, 17 ], [ 31, 20 ], [ 36, 22 ], [ 17, 24 ], [ 37, 28 ], [ 34, 28 ], [ 30, 31 ], [ 33, 34 ], [ 36, 37 ] ]
[ "n = int(input())\nk = 0\nif 1 <= n <= 100:\n for i in range(n):\n k += i + 1\nprint(k)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "k = 0", "k", "0", "if 1 <= n <= 100:\n for i in range(n):\n k += i + 1", "1 <= n <= 100", "1 <= n", "1", "n", "100", ...
n = int(input()) k = 0 if 1 <= n <= 100: for i in range(n): k += i + 1 print(k)
[ 7, 0, 13, 4, 13, 4, 13, 4, 13, 4, 13, 2, 2, 13, 2, 13, 17, 17, 10, 4, 13 ]
[ [ 19, 2 ], [ 20, 13 ], [ 20, 15 ], [ 19, 20 ] ]
[ "inp=int(input())\nprint(int(inp*(inp+1)/2))", "inp=int(input())", "inp", "int(input())", "int", "input()", "input", "print(int(inp*(inp+1)/2))", "print", "int(inp*(inp+1)/2)", "int", "inp*(inp+1)/2", "inp*(inp+1)", "inp", "inp+1", "inp", "1", "2", "inp=int(input())", "int(inpu...
inp=int(input()) print(int(inp*(inp+1)/2))
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[ [ 5, 4 ], [ 12, 11 ], [ 4, 16 ], [ 11, 19 ], [ 22, 21 ], [ 21, 27 ], [ 36, 33 ] ]
[ "def main():\n N = int(input())\n total = [i for i in range(1, N+1)]\n print(sum(total))\n\n\nif __name__ == \"__main__\":\n main()", "def main():\n N = int(input())\n total = [i for i in range(1, N+1)]\n print(sum(total))", "main", "N = int(input())", "N", "int(input())", "int", ...
def main(): N = int(input()) total = [i for i in range(1, N+1)] print(sum(total)) if __name__ == "__main__": main()
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 39, 28, 13, 4, 13, 17, 13, 4, 18, 13, 13, 2, 13, 17, 4, 13, 4, 13, 13, 10, 4, 13, 10, 39, 13 ]
[ [ 29, 2 ], [ 32, 8 ], [ 12, 11 ], [ 30, 15 ], [ 33, 18 ], [ 11, 21 ], [ 33, 27 ], [ 29, 30 ], [ 32, 33 ] ]
[ "x = int(input())\nout=[]\nfor i in range(0,x):\n out.append(i+1)\nprint(sum(out))", "x = int(input())", "x", "int(input())", "int", "input()", "input", "out=[]", "out", "[]", "for i in range(0,x):\n out.append(i+1)", "i", "range(0,x)", "range", "0", "x", "out.append(i+1)", "...
x = int(input()) out=[] for i in range(0,x): out.append(i+1) print(sum(out))
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 4, 13, 2, 2, 2, 13, 17, 13, 17, 4, 13, 13, 10, 4, 13, 10, 4, 13 ]
[ [ 22, 2 ], [ 25, 8 ], [ 23, 14 ], [ 23, 16 ], [ 26, 20 ], [ 22, 23 ], [ 25, 26 ] ]
[ "n = int(input())\n\nanswer = int((n + 1) * n / 2)\n\nprint(answer)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "answer = int((n + 1) * n / 2)", "answer", "int((n + 1) * n / 2)", "int", "(n + 1) * n / 2", "(n + 1) * n", "n + 1", "n", "1", "n", "2", "prin...
n = int(input()) answer = int((n + 1) * n / 2) print(answer)
[ 7, 15, 13, 15, 13, 15, 13, 12, 13, 0, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 17, 2, 13, 17, 0, 13, 13, 4, 13, 13, 14, 2, 13, 17, 4, 13, 10, 12, 13 ]
[ [ 11, 10 ], [ 17, 16 ], [ 20, 19 ], [ 10, 24 ], [ 28, 27 ], [ 19, 28 ], [ 27, 31 ], [ 16, 31 ], [ 40, 37 ] ]
[ "import sys\nimport math\nimport bisect\n\ndef main():\n n = int(input())\n ans = 0\n for i in range(1, n + 1):\n ans += i\n print(ans)\n\nif __name__ == \"__main__\":\n main()", "import sys", "sys", "import math", "math", "import bisect", "bisect", "def main():\n n = int(inpu...
import sys import math import bisect def main(): n = int(input()) ans = 0 for i in range(1, n + 1): ans += i print(ans) if __name__ == "__main__": main()
[ 7, 15, 13, 0, 13, 18, 18, 13, 13, 13, 12, 13, 0, 13, 4, 13, 4, 13, 0, 13, 2, 2, 13, 2, 13, 17, 17, 4, 13, 13, 14, 2, 13, 17, 4, 13, 10, 12, 13, 10, 18, 13 ]
[ [ 40, 4 ], [ 14, 13 ], [ 41, 17 ], [ 20, 19 ], [ 13, 22 ], [ 13, 24 ], [ 19, 29 ], [ 38, 35 ], [ 40, 41 ] ]
[ "import sys\n\ninput = sys.stdin.readline\n\n\ndef main():\n N = int(input())\n ans = N * (N+1) // 2\n print(ans)\n\n\nif __name__ == \"__main__\":\n main()", "import sys", "sys", "input = sys.stdin.readline", "input", "sys.stdin.readline", "sys.stdin", "sys", "stdin", "readline", "d...
import sys input = sys.stdin.readline def main(): N = int(input()) ans = N * (N+1) // 2 print(ans) if __name__ == "__main__": main()
[ 7, 0, 13, 4, 13, 4, 13, 4, 13, 4, 13, 4, 13, 4, 13, 2, 13, 17, 10, 4, 13 ]
[ [ 19, 2 ], [ 20, 16 ], [ 19, 20 ] ]
[ "N=int(input())\nprint(sum(list(range(N+1))))", "N=int(input())", "N", "int(input())", "int", "input()", "input", "print(sum(list(range(N+1))))", "print", "sum(list(range(N+1)))", "sum", "list(range(N+1))", "list", "range(N+1)", "range", "N+1", "N", "1", "N=int(input())", "int(...
N=int(input()) print(sum(list(range(N+1))))
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 17, 28, 13, 4, 13, 17, 2, 13, 17, 0, 13, 13, 4, 13, 13, 10, 13, 13, 10, 4, 13, 10, 17, 13 ]
[ [ 28, 2 ], [ 31, 8 ], [ 12, 11 ], [ 29, 16 ], [ 25, 19 ], [ 11, 20 ], [ 26, 23 ], [ 32, 23 ], [ 11, 25 ], [ 25, 26 ], [ 28, 29 ], [ 31, 32 ] ]
[ "\nn = int(input())\nm = 0\nfor i in range(1,n+1):\n m += i\n\nprint(m)", "n = int(input())", "n", "int(input())", "int", "input()", "input", "m = 0", "m", "0", "for i in range(1,n+1):\n m += i", "i", "range(1,n+1)", "range", "1", "n+1", "n", "1", "m += i", "m", "i", ...
n = int(input()) m = 0 for i in range(1,n+1): m += i print(m)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 2, 2, 13, 2, 13, 17, 17, 4, 13, 13, 10, 2, 13, 10, 4, 13 ]
[ [ 23, 2 ], [ 20, 8 ], [ 24, 11 ], [ 24, 13 ], [ 21, 18 ], [ 20, 21 ], [ 23, 24 ] ]
[ "a=int(input())\nans=a*(a+1)//2\nprint(ans)", "a=int(input())", "a", "int(input())", "int", "input()", "input", "ans=a*(a+1)//2", "ans", "a*(a+1)//2", "a*(a+1)", "a", "a+1", "a", "1", "2", "print(ans)", "print", "ans", "ans=a*(a+1)//2", "a*(a+1)//2", "ans", "a=int(input()...
a=int(input()) ans=a*(a+1)//2 print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 0, 13, 2, 2, 13, 2, 13, 17, 17, 4, 13, 4, 13, 13, 10, 4, 13, 10, 2, 13 ]
[ [ 22, 2 ], [ 25, 8 ], [ 23, 11 ], [ 23, 13 ], [ 26, 20 ], [ 22, 23 ], [ 25, 26 ] ]
[ "#子ども N人\n# 1人目に1個、2人目に2個・・・ N人めにはN個\n#必要なキャンディーの合計を求める\n\n#N=2の時 1+2=3\n#N=3の時 1+2+3=6\n#N=4の時 1+2+3+4=10\n\n#N=10の時 55\n\nN=int(input())\n#個数に対してのキャンディーの合計を示す\nsum_candy=(N * (N+1) / 2)\nprint(int(sum_candy))\n\n", "N=int(input())", "N", "int(input())", "int", "input()", "input", "sum_candy=(N * (N+...
#子ども N人 # 1人目に1個、2人目に2個・・・ N人めにはN個 #必要なキャンディーの合計を求める #N=2の時 1+2=3 #N=3の時 1+2+3=6 #N=4の時 1+2+3+4=10 #N=10の時 55 N=int(input()) #個数に対してのキャンディーの合計を示す sum_candy=(N * (N+1) / 2) print(int(sum_candy))
[ 7, 0, 13, 4, 13, 4, 13, 4, 13, 2, 2, 13, 2, 13, 17, 17, 10, 4, 13 ]
[ [ 17, 2 ], [ 18, 11 ], [ 18, 13 ], [ 17, 18 ] ]
[ "a = int(input())\nprint(a * (a + 1) / 2)", "a = int(input())", "a", "int(input())", "int", "input()", "input", "print(a * (a + 1) / 2)", "print", "a * (a + 1) / 2", "a * (a + 1)", "a", "a + 1", "a", "1", "2", "a = int(input())", "int(input())", "a" ]
a = int(input()) print(a * (a + 1) / 2)
[ 7, 0, 13, 17, 28, 13, 4, 13, 17, 2, 4, 13, 4, 13, 17, 0, 13, 13, 4, 13, 13, 10, 13, 13, 10, 17, 13 ]
[ [ 25, 2 ], [ 6, 5 ], [ 22, 16 ], [ 5, 17 ], [ 23, 20 ], [ 26, 20 ], [ 5, 22 ], [ 22, 23 ], [ 25, 26 ] ]
[ "ans = 0\nfor i in range(1, int(input())+1):\n ans += i\nelse:\n print(ans)", "ans = 0", "ans", "0", "for i in range(1, int(input())+1):\n ans += i\nelse:\n print(ans)", "i", "range(1, int(input())+1)", "range", "1", "int(input())+1", "int(input())", "int", "input()", "input", ...
ans = 0 for i in range(1, int(input())+1): ans += i else: print(ans)
[ 7, 0, 13, 4, 13, 4, 13, 4, 13, 4, 13, 2, 2, 13, 2, 13, 17, 17, 10, 4, 13 ]
[ [ 19, 2 ], [ 20, 13 ], [ 20, 15 ], [ 19, 20 ] ]
[ "N = int(input())\nprint(int(N * (N + 1) / 2))", "N = int(input())", "N", "int(input())", "int", "input()", "input", "print(int(N * (N + 1) / 2))", "print", "int(N * (N + 1) / 2)", "int", "N * (N + 1) / 2", "N * (N + 1)", "N", "N + 1", "N", "1", "2", "N = int(input())", "int(in...
N = int(input()) print(int(N * (N + 1) / 2))
[ 7, 0, 13, 4, 13, 4, 13, 4, 13, 4, 13, 2, 2, 13, 2, 2, 17, 17, 2, 2, 13, 17, 17, 17, 10, 4, 13 ]
[ [ 25, 2 ], [ 26, 13 ], [ 26, 20 ], [ 25, 26 ] ]
[ "n = int(input())\nprint(int((n * (2 * 1 + (n -1)*1))/2))", "n = int(input())", "n", "int(input())", "int", "input()", "input", "print(int((n * (2 * 1 + (n -1)*1))/2))", "print", "int((n * (2 * 1 + (n -1)*1))/2)", "int", "(n * (2 * 1 + (n -1)*1))/2", "n * (2 * 1 + (n -1)*1)", "n", "2 * 1...
n = int(input()) print(int((n * (2 * 1 + (n -1)*1))/2))
[ 7, 41, 28, 13, 4, 13, 17, 2, 4, 13, 4, 13, 17, 4, 13, 4, 13, 4, 13, 13 ]
[ [ 4, 3 ], [ 3, 14 ] ]
[ "print(sum([x for x in range(1, int(input())+1)]))", "x for x in range(1, int(input())+1)", "for x in range(1, int(input())+1)", "x", "range(1, int(input())+1)", "range", "1", "int(input())+1", "int(input())", "int", "input()", "input", "1", "for x in range(1, int(input())+1)", "x", "p...
print(sum([x for x in range(1, int(input())+1)]))
[ 7, 0, 13, 4, 13, 4, 13, 4, 13, 4, 13, 2, 2, 13, 2, 13, 17, 17, 10, 4, 13 ]
[ [ 19, 2 ], [ 20, 13 ], [ 20, 15 ], [ 19, 20 ] ]
[ "n=int(input())\nprint(int(n*(n+1)//2))", "n=int(input())", "n", "int(input())", "int", "input()", "input", "print(int(n*(n+1)//2))", "print", "int(n*(n+1)//2)", "int", "n*(n+1)//2", "n*(n+1)", "n", "n+1", "n", "1", "2", "n=int(input())", "int(input())", "n" ]
n=int(input()) print(int(n*(n+1)//2))