Submission #6141537
Source Code Expand
from collections import Counter n,m=map(int,input().split()) x=[int(i) for i in input().split()] v=[[] for i in range(m)] for i in x: v[i%m].append(i) ans=0 for i in range(1,m//2+1*(m%2==1)): d=len(v[i])-len(v[m-i]) if d<0: d=-d v[i],v[m-i]=v[m-i],v[i] c=sorted(Counter(v[i]).items(),key=lambda x:x[1]) p=0 for t in c: p+=(t[1]//2) ans+=len(v[m-i])+min(p,(d//2)) ans+=len(v[0])//2+(len(v[m//2])//2 if m%2==0 else 0) print(ans)
Submission Info
Submission Time | |
---|---|
Task | D - Pair Cards |
User | keroru |
Language | PyPy3 (2.4.0) |
Score | 700 |
Code Size | 498 Byte |
Status | AC |
Exec Time | 566 ms |
Memory | 82028 KB |
Judge Result
Set Name | sample | all | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
sample | sample-01.txt, sample-02.txt |
all | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 01-27.txt, 01-28.txt, 01-29.txt, 01-30.txt, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 161 ms | 38256 KB |
01-02.txt | AC | 204 ms | 55920 KB |
01-03.txt | AC | 203 ms | 54384 KB |
01-04.txt | AC | 226 ms | 54256 KB |
01-05.txt | AC | 220 ms | 53104 KB |
01-06.txt | AC | 231 ms | 55660 KB |
01-07.txt | AC | 230 ms | 53740 KB |
01-08.txt | AC | 260 ms | 53356 KB |
01-09.txt | AC | 275 ms | 55276 KB |
01-10.txt | AC | 566 ms | 82028 KB |
01-11.txt | AC | 491 ms | 75372 KB |
01-12.txt | AC | 208 ms | 55876 KB |
01-13.txt | AC | 305 ms | 58692 KB |
01-14.txt | AC | 203 ms | 54380 KB |
01-15.txt | AC | 222 ms | 54380 KB |
01-16.txt | AC | 228 ms | 53868 KB |
01-17.txt | AC | 238 ms | 52460 KB |
01-18.txt | AC | 276 ms | 56300 KB |
01-19.txt | AC | 293 ms | 57068 KB |
01-20.txt | AC | 327 ms | 64236 KB |
01-21.txt | AC | 203 ms | 54380 KB |
01-22.txt | AC | 210 ms | 52464 KB |
01-23.txt | AC | 213 ms | 52336 KB |
01-24.txt | AC | 260 ms | 54384 KB |
01-25.txt | AC | 335 ms | 59632 KB |
01-26.txt | AC | 343 ms | 62316 KB |
01-27.txt | AC | 298 ms | 54292 KB |
01-28.txt | AC | 298 ms | 51632 KB |
01-29.txt | AC | 327 ms | 53612 KB |
01-30.txt | AC | 320 ms | 52512 KB |
sample-01.txt | AC | 162 ms | 38256 KB |
sample-02.txt | AC | 161 ms | 38256 KB |