Submission #52670474

Source Code Expand

N,M = map(int,input().split())
assert M == N or M*2 <= N
row,col = set(),set()
for _ in range(M):
    a,b = map(int,input().split())
    row.add(a); col.add(b)
for i in range(1,1+N):
    if len(row) == M: break
    row.add(i)
for i in range(1,1+N):
    if len(col) == M: break
    col.add(i)
ANS = []
for i in row:
    for j in col: ANS.append(f'{i} {j}')
row = [i for i in range(1,N+1) if i not in row]
col = [i for i in range(1,N+1) if i not in col]
cnt = 0
for i in row:
    for _ in range(M):
        ANS.append(f'{i} {col[cnt]}')
        cnt = (cnt+1)%(N-M)
print(len(ANS))
print('\n'.join(ANS))

Submission Info

Submission Time
Task A - 01 Matrix Again
User nflight11
Language Python (PyPy 3.10-v7.3.12)
Score 400
Code Size 623 Byte
Status AC
Exec Time 239 ms
Memory 190072 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 45
Set Name Test Cases
Sample example_00.txt, example_01.txt, example_02.txt
All example_00.txt, example_01.txt, example_02.txt, test_00.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
Case Name Status Exec Time Memory
example_00.txt AC 56 ms 76564 KiB
example_01.txt AC 56 ms 76708 KiB
example_02.txt AC 56 ms 76380 KiB
test_00.txt AC 134 ms 128584 KiB
test_01.txt AC 88 ms 97108 KiB
test_02.txt AC 99 ms 105692 KiB
test_03.txt AC 77 ms 92980 KiB
test_04.txt AC 137 ms 129400 KiB
test_05.txt AC 56 ms 76540 KiB
test_06.txt AC 55 ms 76696 KiB
test_07.txt AC 56 ms 76408 KiB
test_08.txt AC 231 ms 190000 KiB
test_09.txt AC 96 ms 102148 KiB
test_10.txt AC 96 ms 101924 KiB
test_11.txt AC 235 ms 189772 KiB
test_12.txt AC 234 ms 189716 KiB
test_13.txt AC 232 ms 189720 KiB
test_14.txt AC 239 ms 189976 KiB
test_15.txt AC 232 ms 189896 KiB
test_16.txt AC 236 ms 189960 KiB
test_17.txt AC 234 ms 189772 KiB
test_18.txt AC 234 ms 189872 KiB
test_19.txt AC 236 ms 189976 KiB
test_20.txt AC 237 ms 190072 KiB
test_21.txt AC 232 ms 189980 KiB
test_22.txt AC 238 ms 189948 KiB
test_23.txt AC 235 ms 189832 KiB
test_24.txt AC 56 ms 76428 KiB
test_25.txt AC 55 ms 76768 KiB
test_26.txt AC 55 ms 76768 KiB
test_27.txt AC 56 ms 76420 KiB
test_28.txt AC 55 ms 76544 KiB
test_29.txt AC 56 ms 76492 KiB
test_30.txt AC 55 ms 76364 KiB
test_31.txt AC 56 ms 76524 KiB
test_32.txt AC 55 ms 76544 KiB
test_33.txt AC 55 ms 76440 KiB
test_34.txt AC 159 ms 136012 KiB
test_35.txt AC 81 ms 99972 KiB
test_36.txt AC 144 ms 129416 KiB
test_37.txt AC 124 ms 120244 KiB
test_38.txt AC 229 ms 189976 KiB
test_39.txt AC 109 ms 112852 KiB
test_40.txt AC 232 ms 190008 KiB
test_41.txt AC 233 ms 189772 KiB