Submission details
Task:Finding inverse
Sender:kookinnam
Submission time:2025-11-18 00:02:49 +0200
Language:Python3 (PyPy3)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.04 sdetails
#2ACCEPTED0.04 sdetails
#3ACCEPTED0.04 sdetails
#4ACCEPTED0.04 sdetails
#5ACCEPTED0.04 sdetails
#6ACCEPTED0.04 sdetails
#7ACCEPTED0.04 sdetails
#8ACCEPTED0.05 sdetails
#9ACCEPTED0.06 sdetails
#10ACCEPTED0.05 sdetails
#11ACCEPTED0.06 sdetails
#12--details
#13--details
#14--details

Code

def modInverse(A, M):

    for X in range(1, M):
        if (((A % M) * (X % M)) % M == 1):
            return X
    return -1


if __name__ == "__main__":
    a, m = map(int, input().split())

    print(modInverse(a, m))

Test details

Test 1

Verdict: ACCEPTED

input
6 7

correct output
6

user output
6

Test 2

Verdict: ACCEPTED

input
0 7

correct output
-1

user output
-1

Test 3

Verdict: ACCEPTED

input
5 78

correct output
47

user output
47

Test 4

Verdict: ACCEPTED

input
89 99

correct output
89

user output
89

Test 5

Verdict: ACCEPTED

input
0 61

correct output
-1

user output
-1

Test 6

Verdict: ACCEPTED

input
897 947

correct output
625

user output
625

Test 7

Verdict: ACCEPTED

input
419 538

correct output
217

user output
217

Test 8

Verdict: ACCEPTED

input
32 938

correct output
-1

user output
-1

Test 9

Verdict: ACCEPTED

input
184120 505187

correct output
438779

user output
438779

Test 10

Verdict: ACCEPTED

input
264601 885661

correct output
360221

user output
360221

Test 11

Verdict: ACCEPTED

input
40310 590135

correct output
-1

user output
-1

Test 12

Verdict:

input
202254499 577081420

correct output
128866679

user output
(empty)

Test 13

Verdict:

input
539836073 888851205

correct output
797044652

user output
(empty)

Test 14

Verdict:

input
697847215 756971670

correct output
-1

user output
(empty)