This documentation is automatically generated by online-judge-tools/verification-helper
# verification-helper: PROBLEM https://yukicoder.me/problems/no/187
from pathlib import Path
import sys
sys.path.append(str(Path(__file__).resolve().parent.parent.parent.parent))
from src.math.Garner import Garner
n = int(input())
R = [0] * n
M = [0] * n
for i in range(n):
R[i], M[i] = map(int, input().split())
r, m = Garner(R, M)
if r == -1:
print(-1)
else:
if r == 0:
r = m
print(r % (10**9 + 7))
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 81, in _render_source_code_stat
bundled_code = language.bundle(
^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/python.py", line 108, in bundle
raise NotImplementedError
NotImplementedError