Submission #653854

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
653854	2022-10-28T14:19:28 Z	beaconmc	Plus Minus (BOI17_plusminus)	PyPy 3	100 / 100	342 ms	40052 KB

plusminus

n,m,k = map(int, input().split())
sussies = dict()
flagx = True
flagy = True

for i in range(k):
    a,b,c = input().split()
    b = int(b);c=int(c)

    if b in sussies:
        if sussies[b] != (c+(a=="-"))%2:
            flagx = False
    else:
        sussies[b] = (c+(a=="-"))%2
    if -c in sussies:
        if sussies[-c] != (b+(a=="-"))%2:
            flagy = False
    else:
        sussies[-c] = (b+(a=="-"))%2
if flagx==flagy==False:
    print(0)
else:
    
    x = [0,1]
    y = [0,1]
    samex=1
    diffx=1
    samey=1
    diffy=1

    ans = 0
    if flagx:
        temp = n
        for i in sussies:
            if i > 0:
                temp -= 1
            if sussies[i]%2 != i%2:
                samex = 0
            if sussies[i]%2 == i%2:
                diffx = 0
                
        ans += pow(2, temp, 1000000007)
    if flagy:
        temp = m
        for i in sussies:
            if i < 0:
                temp -= 1
            if sussies[i]%2 != i%2:
                samey = 0
            if sussies[i]%2 == i%2:
                diffy = 0
        ans += pow(2, temp, 1000000007)

    print(ans%1000000007 - (samex==samey==1) - (diffx == diffy==1))

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	43 ms	18220 KB	Output is correct
2	Correct	48 ms	18124 KB	Output is correct
3	Correct	38 ms	18132 KB	Output is correct
4	Correct	41 ms	18292 KB	Output is correct
5	Correct	40 ms	18236 KB	Output is correct
6	Correct	42 ms	18164 KB	Output is correct
7	Correct	39 ms	18220 KB	Output is correct
8	Correct	41 ms	18228 KB	Output is correct
9	Correct	41 ms	18136 KB	Output is correct
10	Correct	47 ms	18164 KB	Output is correct

Subtask #2

42.0 / 42.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	43 ms	18220 KB	Output is correct
2	Correct	48 ms	18124 KB	Output is correct
3	Correct	38 ms	18132 KB	Output is correct
4	Correct	41 ms	18292 KB	Output is correct
5	Correct	40 ms	18236 KB	Output is correct
6	Correct	42 ms	18164 KB	Output is correct
7	Correct	39 ms	18220 KB	Output is correct
8	Correct	41 ms	18228 KB	Output is correct
9	Correct	41 ms	18136 KB	Output is correct
10	Correct	47 ms	18164 KB	Output is correct
11	Correct	80 ms	19636 KB	Output is correct
12	Correct	36 ms	18252 KB	Output is correct
13	Correct	36 ms	18148 KB	Output is correct
14	Correct	67 ms	19112 KB	Output is correct
15	Correct	70 ms	19072 KB	Output is correct
16	Correct	261 ms	26196 KB	Output is correct
17	Correct	267 ms	25980 KB	Output is correct
18	Correct	272 ms	26580 KB	Output is correct
19	Correct	267 ms	25772 KB	Output is correct
20	Correct	245 ms	26360 KB	Output is correct

Subtask #3

46.0 / 46.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	43 ms	18220 KB	Output is correct
2	Correct	48 ms	18124 KB	Output is correct
3	Correct	38 ms	18132 KB	Output is correct
4	Correct	41 ms	18292 KB	Output is correct
5	Correct	40 ms	18236 KB	Output is correct
6	Correct	42 ms	18164 KB	Output is correct
7	Correct	39 ms	18220 KB	Output is correct
8	Correct	41 ms	18228 KB	Output is correct
9	Correct	41 ms	18136 KB	Output is correct
10	Correct	47 ms	18164 KB	Output is correct
11	Correct	80 ms	19636 KB	Output is correct
12	Correct	36 ms	18252 KB	Output is correct
13	Correct	36 ms	18148 KB	Output is correct
14	Correct	67 ms	19112 KB	Output is correct
15	Correct	70 ms	19072 KB	Output is correct
16	Correct	261 ms	26196 KB	Output is correct
17	Correct	267 ms	25980 KB	Output is correct
18	Correct	272 ms	26580 KB	Output is correct
19	Correct	267 ms	25772 KB	Output is correct
20	Correct	245 ms	26360 KB	Output is correct
21	Correct	294 ms	34780 KB	Output is correct
22	Correct	37 ms	18252 KB	Output is correct
23	Correct	311 ms	35028 KB	Output is correct
24	Correct	310 ms	34268 KB	Output is correct
25	Correct	315 ms	34912 KB	Output is correct
26	Correct	316 ms	36068 KB	Output is correct
27	Correct	342 ms	36624 KB	Output is correct
28	Correct	317 ms	40052 KB	Output is correct
29	Correct	298 ms	36484 KB	Output is correct
30	Correct	340 ms	38956 KB	Output is correct