Submission #659586

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
659586	2022-11-18T15:46:23 Z	beaconmc	Fancy Fence (CEOI20_fancyfence)	PyPy 3	100 / 100	170 ms	44284 KB

fancyfence

n = int(input())
h = list(map(int, input().split()))
w = list(map(int, input().split()))


sussies = [list(i) for i in zip(h,w)]
stack = []

def rect(a,b):
    return a*(a+1)*b*(b+1)//4

def comb():
    if len(stack)>1 and stack[-1][0] == stack[-2][0]:
        a = stack.pop()[1]
        stack[-1][1] += a

ans = 0
for i in sussies:
    if not stack:
        stack.append(i)
    else:
        while stack[-1][0] > i[0]:
            
            if len(stack)==1:
                ans += rect(stack[-1][0],stack[-1][1])-rect(i[0],stack[-1][1])
                stack[-1][0] = i[0]
            else:
                sus = max(stack[-2][0], i[0])
                ans += rect(stack[-1][0],stack[-1][1])-rect(sus,stack[-1][1])
                stack[-1][0] = sus
                comb()
        stack.append(i)
        comb()

while len(stack) != 1:
    sus = stack[-2][0]
    ans += rect(stack[-1][0],stack[-1][1])-rect(sus,stack[-1][1])
    stack[-1][0] = sus
    comb()

ans += rect(stack[0][0], stack[0][1])

print(ans%1000000007)
                

Subtask #1

0.0 / 0.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	36 ms	18220 KB	Output is correct
2	Correct	50 ms	19220 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	34 ms	18208 KB	Output is correct
2	Correct	34 ms	18180 KB	Output is correct
3	Correct	35 ms	18148 KB	Output is correct
4	Correct	33 ms	18220 KB	Output is correct
5	Correct	35 ms	18112 KB	Output is correct

Subtask #3

13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	34 ms	18220 KB	Output is correct
2	Correct	42 ms	19028 KB	Output is correct
3	Correct	110 ms	31424 KB	Output is correct
4	Correct	127 ms	36212 KB	Output is correct
5	Correct	135 ms	37432 KB	Output is correct
6	Correct	121 ms	36080 KB	Output is correct

Subtask #4

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	40 ms	18944 KB	Output is correct
2	Correct	51 ms	22280 KB	Output is correct
3	Correct	73 ms	29624 KB	Output is correct
4	Correct	115 ms	37548 KB	Output is correct
5	Correct	107 ms	37544 KB	Output is correct
6	Correct	34 ms	18228 KB	Output is correct

Subtask #5

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	37 ms	18220 KB	Output is correct
2	Correct	40 ms	18944 KB	Output is correct
3	Correct	57 ms	22484 KB	Output is correct
4	Correct	75 ms	30476 KB	Output is correct
5	Correct	107 ms	39472 KB	Output is correct
6	Correct	106 ms	39660 KB	Output is correct
7	Correct	47 ms	19136 KB	Output is correct
8	Correct	65 ms	23576 KB	Output is correct
9	Correct	95 ms	31020 KB	Output is correct
10	Correct	148 ms	43176 KB	Output is correct
11	Correct	144 ms	44284 KB	Output is correct
12	Correct	34 ms	18228 KB	Output is correct

Subtask #6

18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	36 ms	18252 KB	Output is correct
2	Correct	51 ms	19180 KB	Output is correct
3	Correct	34 ms	18196 KB	Output is correct
4	Correct	34 ms	18132 KB	Output is correct
5	Correct	33 ms	18228 KB	Output is correct
6	Correct	35 ms	18236 KB	Output is correct
7	Correct	34 ms	18220 KB	Output is correct
8	Correct	45 ms	19040 KB	Output is correct
9	Correct	42 ms	19032 KB	Output is correct
10	Correct	46 ms	19136 KB	Output is correct
11	Correct	34 ms	18228 KB	Output is correct
12	Correct	39 ms	18324 KB	Output is correct
13	Correct	49 ms	19284 KB	Output is correct
14	Correct	46 ms	19124 KB	Output is correct
15	Correct	47 ms	19332 KB	Output is correct
16	Correct	35 ms	18228 KB	Output is correct

Subtask #7

27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	36 ms	18220 KB	Output is correct
2	Correct	50 ms	19220 KB	Output is correct
3	Correct	36 ms	18184 KB	Output is correct
4	Correct	48 ms	19224 KB	Output is correct
5	Correct	36 ms	18320 KB	Output is correct
6	Correct	35 ms	18156 KB	Output is correct
7	Correct	34 ms	18236 KB	Output is correct
8	Correct	35 ms	18224 KB	Output is correct
9	Correct	37 ms	18204 KB	Output is correct
10	Correct	41 ms	18988 KB	Output is correct
11	Correct	102 ms	31276 KB	Output is correct
12	Correct	125 ms	36156 KB	Output is correct
13	Correct	132 ms	37436 KB	Output is correct
14	Correct	124 ms	36012 KB	Output is correct
15	Correct	40 ms	19028 KB	Output is correct
16	Correct	55 ms	22528 KB	Output is correct
17	Correct	73 ms	30500 KB	Output is correct
18	Correct	105 ms	39644 KB	Output is correct
19	Correct	102 ms	39652 KB	Output is correct
20	Correct	52 ms	19020 KB	Output is correct
21	Correct	63 ms	23548 KB	Output is correct
22	Correct	98 ms	31140 KB	Output is correct
23	Correct	148 ms	43292 KB	Output is correct
24	Correct	139 ms	43404 KB	Output is correct
25	Correct	37 ms	18188 KB	Output is correct
26	Correct	39 ms	18284 KB	Output is correct
27	Correct	48 ms	19304 KB	Output is correct
28	Correct	47 ms	19136 KB	Output is correct
29	Correct	51 ms	19336 KB	Output is correct
30	Correct	91 ms	24652 KB	Output is correct
31	Correct	87 ms	26216 KB	Output is correct
32	Correct	119 ms	31188 KB	Output is correct
33	Correct	119 ms	30696 KB	Output is correct
34	Correct	167 ms	42540 KB	Output is correct
35	Correct	159 ms	42452 KB	Output is correct
36	Correct	167 ms	39376 KB	Output is correct
37	Correct	158 ms	39736 KB	Output is correct
38	Correct	38 ms	18212 KB	Output is correct
39	Correct	165 ms	39616 KB	Output is correct
40	Correct	157 ms	39668 KB	Output is correct
41	Correct	170 ms	39656 KB	Output is correct
42	Correct	156 ms	39692 KB	Output is correct