Submission #52657579
Source Code Expand
N,M = map(int,input().split())
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 | 596 Byte |
| Status | AC |
| Exec Time | 240 ms |
| Memory | 190124 KiB |
Judge Result
| Set Name | Sample | All | ||||
|---|---|---|---|---|---|---|
| Score / Max Score | 0 / 0 | 400 / 400 | ||||
| Status |
|
|
| 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 | 55 ms | 76576 KiB |
| example_01.txt | AC | 55 ms | 76464 KiB |
| example_02.txt | AC | 55 ms | 76492 KiB |
| test_00.txt | AC | 133 ms | 128652 KiB |
| test_01.txt | AC | 88 ms | 96936 KiB |
| test_02.txt | AC | 96 ms | 105264 KiB |
| test_03.txt | AC | 77 ms | 92972 KiB |
| test_04.txt | AC | 136 ms | 129252 KiB |
| test_05.txt | AC | 55 ms | 76644 KiB |
| test_06.txt | AC | 55 ms | 76452 KiB |
| test_07.txt | AC | 55 ms | 76748 KiB |
| test_08.txt | AC | 234 ms | 189880 KiB |
| test_09.txt | AC | 97 ms | 102008 KiB |
| test_10.txt | AC | 95 ms | 102096 KiB |
| test_11.txt | AC | 236 ms | 189816 KiB |
| test_12.txt | AC | 236 ms | 189648 KiB |
| test_13.txt | AC | 239 ms | 189976 KiB |
| test_14.txt | AC | 231 ms | 189992 KiB |
| test_15.txt | AC | 238 ms | 189864 KiB |
| test_16.txt | AC | 231 ms | 190124 KiB |
| test_17.txt | AC | 230 ms | 189744 KiB |
| test_18.txt | AC | 231 ms | 189940 KiB |
| test_19.txt | AC | 239 ms | 190020 KiB |
| test_20.txt | AC | 232 ms | 189620 KiB |
| test_21.txt | AC | 231 ms | 189656 KiB |
| test_22.txt | AC | 238 ms | 190004 KiB |
| test_23.txt | AC | 234 ms | 189680 KiB |
| test_24.txt | AC | 56 ms | 76472 KiB |
| test_25.txt | AC | 55 ms | 76632 KiB |
| test_26.txt | AC | 56 ms | 76604 KiB |
| test_27.txt | AC | 55 ms | 76256 KiB |
| test_28.txt | AC | 56 ms | 76420 KiB |
| test_29.txt | AC | 56 ms | 76284 KiB |
| test_30.txt | AC | 55 ms | 76328 KiB |
| test_31.txt | AC | 55 ms | 76400 KiB |
| test_32.txt | AC | 55 ms | 76616 KiB |
| test_33.txt | AC | 55 ms | 76532 KiB |
| test_34.txt | AC | 157 ms | 136156 KiB |
| test_35.txt | AC | 80 ms | 100032 KiB |
| test_36.txt | AC | 137 ms | 129280 KiB |
| test_37.txt | AC | 121 ms | 120356 KiB |
| test_38.txt | AC | 234 ms | 190048 KiB |
| test_39.txt | AC | 108 ms | 113132 KiB |
| test_40.txt | AC | 235 ms | 189680 KiB |
| test_41.txt | AC | 240 ms | 190056 KiB |