codeflash-internal/experiments/pie_test_set/p03781.py

12 lines
205 B
Python

def problem_p03781(input_data):
X = int(eval(input_data))
for n in range(1000000):
# return ((n * (n - 1) // 2))
if (n * (n - 1) // 2) >= X:
break
return n - 1