Submission #32423981

Source Code Expand

def main(X, A, D, N):
    def is_positive(i):
        """数列のi番目がXより大きいか"""
        return A+D*i - X > 0
    
    seq_max, seq_min = (A+D*(N-1), A) if D > 0 else (A, A+D*(N-1))
    
    if X >= seq_max:
        return abs(seq_max - X)
    elif X <= seq_min:
        return abs(seq_min - X)
    else:
        neg, pos = (0, N-1) if D > 0 else (N-1, 0)
        while abs(neg - pos) > 1:
            mid = (neg + pos) // 2
            if is_positive(mid):
                pos = mid
            else:
                neg = mid
        return min(abs(A+D*neg - X) , abs(A+D*pos - X))   

X, A, D, N = list(map(int, input().split(" ")))
print(main(X, A, D, N))

Submission Info

Submission Time
Task C - ±1 Operation 1
User arakaki_tokyo
Language PyPy3 (7.3.0)
Score 300
Code Size 699 Byte
Status AC
Exec Time 60 ms
Memory 61424 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 4
AC × 68
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.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
Case Name Status Exec Time Memory
sample_01.txt AC 60 ms 61236 KiB
sample_02.txt AC 51 ms 60932 KiB
sample_03.txt AC 48 ms 60908 KiB
sample_04.txt AC 47 ms 61276 KiB
test_01.txt AC 47 ms 61228 KiB
test_02.txt AC 50 ms 61164 KiB
test_03.txt AC 51 ms 61216 KiB
test_04.txt AC 52 ms 60948 KiB
test_05.txt AC 51 ms 61036 KiB
test_06.txt AC 50 ms 61044 KiB
test_07.txt AC 49 ms 61160 KiB
test_08.txt AC 53 ms 61172 KiB
test_09.txt AC 50 ms 60908 KiB
test_10.txt AC 50 ms 61404 KiB
test_11.txt AC 51 ms 61156 KiB
test_12.txt AC 49 ms 61156 KiB
test_13.txt AC 48 ms 61172 KiB
test_14.txt AC 54 ms 61240 KiB
test_15.txt AC 49 ms 61224 KiB
test_16.txt AC 49 ms 61300 KiB
test_17.txt AC 51 ms 61224 KiB
test_18.txt AC 51 ms 61228 KiB
test_19.txt AC 49 ms 61272 KiB
test_20.txt AC 49 ms 61212 KiB
test_21.txt AC 50 ms 61412 KiB
test_22.txt AC 51 ms 61044 KiB
test_23.txt AC 55 ms 60932 KiB
test_24.txt AC 51 ms 61228 KiB
test_25.txt AC 49 ms 61224 KiB
test_26.txt AC 52 ms 60932 KiB
test_27.txt AC 51 ms 61244 KiB
test_28.txt AC 53 ms 61240 KiB
test_29.txt AC 49 ms 61256 KiB
test_30.txt AC 48 ms 61216 KiB
test_31.txt AC 54 ms 61296 KiB
test_32.txt AC 52 ms 60996 KiB
test_33.txt AC 52 ms 61216 KiB
test_34.txt AC 53 ms 60940 KiB
test_35.txt AC 47 ms 61176 KiB
test_36.txt AC 51 ms 61044 KiB
test_37.txt AC 50 ms 60960 KiB
test_38.txt AC 49 ms 60876 KiB
test_39.txt AC 52 ms 61172 KiB
test_40.txt AC 52 ms 61244 KiB
test_41.txt AC 50 ms 61176 KiB
test_42.txt AC 49 ms 61212 KiB
test_43.txt AC 51 ms 61244 KiB
test_44.txt AC 53 ms 61236 KiB
test_45.txt AC 50 ms 61424 KiB
test_46.txt AC 48 ms 61272 KiB
test_47.txt AC 49 ms 61408 KiB
test_48.txt AC 48 ms 61212 KiB
test_49.txt AC 51 ms 61236 KiB
test_50.txt AC 49 ms 61160 KiB
test_51.txt AC 52 ms 61044 KiB
test_52.txt AC 49 ms 60936 KiB
test_53.txt AC 48 ms 61300 KiB
test_54.txt AC 49 ms 61184 KiB
test_55.txt AC 51 ms 60944 KiB
test_56.txt AC 50 ms 61404 KiB
test_57.txt AC 50 ms 61280 KiB
test_58.txt AC 50 ms 61220 KiB
test_59.txt AC 50 ms 60948 KiB
test_60.txt AC 49 ms 61040 KiB
test_61.txt AC 50 ms 61284 KiB
test_62.txt AC 51 ms 61028 KiB
test_63.txt AC 49 ms 61240 KiB
test_64.txt AC 50 ms 61156 KiB