Submission #7142098


Source Code Expand

N,M=map(int,input().split())
x,y=[],[]

for _ in range(M):
    inp=input().split()
    x.append(int(inp[0]))
    y.append(int(inp[1]))

ans=1
for i in range(2**N):
    ppl=[]
    for j in range(N):
        if (i>>j)&1:
            ppl.append(j+1) #始点=1

    f=True
    d=len(ppl)-1
    for k in range(0,len(ppl)):
        if True:
            c=0
            # print("ppl",ppl)
            if ppl[k] in x or ppl[k] in y:

                for k_x in [i for i, X in enumerate(x) if X == ppl[k]]:
                    # print(x[k_x],y[k_x])
                    if y[k_x] in ppl:
                        c+=1
                # print("ppl[k]",ppl[k])
                # print("c",c)
                # print("d",d)
                if c!=d:
                    f=False
                    # print("\n")
                    break
                else:
                    # print("minus!","\n")
                    d-=1
            else:
                f=False
                break

    if f:
        ans=max(ans,len(ppl))

print(ans)

Submission Info

Submission Time
Task D - 派閥
User gaiyu
Language PyPy3 (2.4.0)
Score 100
Code Size 1076 Byte
Status AC
Exec Time 276 ms
Memory 47708 KB

Judge Result

Set Name all
Score / Max Score 100 / 100
Status
AC × 74
Set Name Test Cases
all 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_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, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 171 ms 38256 KB
00_sample_02.txt AC 168 ms 38256 KB
00_sample_03.txt AC 175 ms 38512 KB
00_sample_04.txt AC 180 ms 39408 KB
test_01.txt AC 169 ms 38256 KB
test_02.txt AC 171 ms 38256 KB
test_03.txt AC 166 ms 38256 KB
test_04.txt AC 170 ms 38256 KB
test_05.txt AC 168 ms 38256 KB
test_06.txt AC 170 ms 38256 KB
test_07.txt AC 173 ms 38256 KB
test_08.txt AC 194 ms 40560 KB
test_09.txt AC 206 ms 41456 KB
test_10.txt AC 202 ms 41456 KB
test_11.txt AC 217 ms 43484 KB
test_12.txt AC 220 ms 43100 KB
test_13.txt AC 167 ms 38256 KB
test_14.txt AC 167 ms 38256 KB
test_15.txt AC 180 ms 39152 KB
test_16.txt AC 215 ms 42844 KB
test_17.txt AC 228 ms 42992 KB
test_18.txt AC 205 ms 42476 KB
test_19.txt AC 228 ms 43868 KB
test_20.txt AC 271 ms 47324 KB
test_21.txt AC 209 ms 41712 KB
test_22.txt AC 233 ms 44636 KB
test_23.txt AC 230 ms 43760 KB
test_24.txt AC 238 ms 43996 KB
test_25.txt AC 165 ms 38256 KB
test_26.txt AC 210 ms 41840 KB
test_27.txt AC 203 ms 41328 KB
test_28.txt AC 166 ms 38256 KB
test_29.txt AC 184 ms 39792 KB
test_30.txt AC 212 ms 41968 KB
test_31.txt AC 247 ms 45404 KB
test_32.txt AC 213 ms 41968 KB
test_33.txt AC 247 ms 45036 KB
test_34.txt AC 229 ms 44124 KB
test_35.txt AC 245 ms 44380 KB
test_36.txt AC 248 ms 43868 KB
test_37.txt AC 211 ms 41840 KB
test_38.txt AC 276 ms 47708 KB
test_39.txt AC 224 ms 44012 KB
test_40.txt AC 213 ms 42972 KB
test_41.txt AC 260 ms 45148 KB
test_42.txt AC 243 ms 43740 KB
test_43.txt AC 211 ms 41524 KB
test_44.txt AC 238 ms 44124 KB
test_45.txt AC 220 ms 42352 KB
test_46.txt AC 261 ms 46812 KB
test_47.txt AC 228 ms 42992 KB
test_48.txt AC 238 ms 43868 KB
test_49.txt AC 206 ms 41584 KB
test_50.txt AC 221 ms 43356 KB
test_51.txt AC 218 ms 42096 KB
test_52.txt AC 217 ms 42588 KB
test_53.txt AC 233 ms 44252 KB
test_54.txt AC 227 ms 43372 KB
test_55.txt AC 223 ms 42480 KB
test_56.txt AC 225 ms 43612 KB
test_57.txt AC 227 ms 43868 KB
test_58.txt AC 233 ms 42864 KB
test_59.txt AC 240 ms 44380 KB
test_60.txt AC 239 ms 43868 KB
test_61.txt AC 238 ms 43740 KB
test_62.txt AC 166 ms 38256 KB
test_63.txt AC 214 ms 43244 KB
test_64.txt AC 214 ms 42588 KB
test_65.txt AC 213 ms 42972 KB
test_66.txt AC 211 ms 41712 KB
test_67.txt AC 207 ms 41712 KB
test_68.txt AC 221 ms 43484 KB
test_69.txt AC 209 ms 42588 KB
test_70.txt AC 215 ms 42844 KB