Submission #55285818

Source Code Expand

from math import sqrt

def isqrt(n):
    res = int(sqrt(n))
    for x in range(res + 5, -1, -1):
        if x * x <= n:
            return x
    return -1

def is_sqrt(n):
    r = isqrt(n)
    return r * r == n

n = int(input())
ans = isqrt(n)

vis = set()
for b in range(3, 64):
    for i in range(2, 10**9):
        x = i ** b
        if x > n:
            break
        if not(is_sqrt(x) or x in vis):
            ans += 1
            vis.add(x)


print(ans)

Submission Info

Submission Time
Task F - x = a^b
User cpchenpi
Language Python (PyPy 3.10-v7.3.12)
Score 500
Code Size 488 Byte
Status AC
Exec Time 303 ms
Memory 225608 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 2
AC × 76
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All sample_01.txt, sample_02.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt, test_71.txt, test_72.txt, test_73.txt, test_74.txt
Case Name Status Exec Time Memory
sample_01.txt AC 55 ms 76816 KiB
sample_02.txt AC 287 ms 224980 KiB
test_01.txt AC 56 ms 76320 KiB
test_02.txt AC 55 ms 76348 KiB
test_03.txt AC 55 ms 76504 KiB
test_04.txt AC 55 ms 76460 KiB
test_05.txt AC 54 ms 76680 KiB
test_06.txt AC 53 ms 76536 KiB
test_07.txt AC 54 ms 76432 KiB
test_08.txt AC 54 ms 76368 KiB
test_09.txt AC 54 ms 76636 KiB
test_10.txt AC 55 ms 76664 KiB
test_11.txt AC 54 ms 76444 KiB
test_12.txt AC 54 ms 76636 KiB
test_13.txt AC 55 ms 76664 KiB
test_14.txt AC 55 ms 76428 KiB
test_15.txt AC 54 ms 76680 KiB
test_16.txt AC 55 ms 76456 KiB
test_17.txt AC 55 ms 76464 KiB
test_18.txt AC 55 ms 76684 KiB
test_19.txt AC 54 ms 76552 KiB
test_20.txt AC 55 ms 76456 KiB
test_21.txt AC 269 ms 208356 KiB
test_22.txt AC 268 ms 208808 KiB
test_23.txt AC 196 ms 159980 KiB
test_24.txt AC 250 ms 193776 KiB
test_25.txt AC 249 ms 193812 KiB
test_26.txt AC 278 ms 209304 KiB
test_27.txt AC 289 ms 224640 KiB
test_28.txt AC 208 ms 171288 KiB
test_29.txt AC 202 ms 160244 KiB
test_30.txt AC 171 ms 140576 KiB
test_31.txt AC 295 ms 225020 KiB
test_32.txt AC 291 ms 225608 KiB
test_33.txt AC 255 ms 193748 KiB
test_34.txt AC 250 ms 193572 KiB
test_35.txt AC 247 ms 193448 KiB
test_36.txt AC 303 ms 225076 KiB
test_37.txt AC 283 ms 224960 KiB
test_38.txt AC 298 ms 225060 KiB
test_39.txt AC 296 ms 224652 KiB
test_40.txt AC 289 ms 224740 KiB
test_41.txt AC 286 ms 224864 KiB
test_42.txt AC 289 ms 224636 KiB
test_43.txt AC 281 ms 224468 KiB
test_44.txt AC 293 ms 224980 KiB
test_45.txt AC 286 ms 224704 KiB
test_46.txt AC 275 ms 208736 KiB
test_47.txt AC 280 ms 209060 KiB
test_48.txt AC 274 ms 208776 KiB
test_49.txt AC 234 ms 192716 KiB
test_50.txt AC 264 ms 207636 KiB
test_51.txt AC 239 ms 193432 KiB
test_52.txt AC 178 ms 140428 KiB
test_53.txt AC 174 ms 140636 KiB
test_54.txt AC 242 ms 193772 KiB
test_55.txt AC 277 ms 208788 KiB
test_56.txt AC 208 ms 160888 KiB
test_57.txt AC 205 ms 160424 KiB
test_58.txt AC 235 ms 192744 KiB
test_59.txt AC 296 ms 224964 KiB
test_60.txt AC 121 ms 106008 KiB
test_61.txt AC 223 ms 180128 KiB
test_62.txt AC 290 ms 225044 KiB
test_63.txt AC 199 ms 160220 KiB
test_64.txt AC 187 ms 149976 KiB
test_65.txt AC 57 ms 80792 KiB
test_66.txt AC 59 ms 80604 KiB
test_67.txt AC 108 ms 100888 KiB
test_68.txt AC 77 ms 85604 KiB
test_69.txt AC 74 ms 85324 KiB
test_70.txt AC 72 ms 84548 KiB
test_71.txt AC 71 ms 82980 KiB
test_72.txt AC 69 ms 82740 KiB
test_73.txt AC 63 ms 82056 KiB
test_74.txt AC 291 ms 224580 KiB