Submission #75782584

Source Code Expand

import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**6)

def find(x):
    if P[x] != x:
        P[x] = find(P[x])
    return P[x]

def union(a,b):
    a = find(a)
    b = find(b)
    if a < b: P[b] = a
    else: P[a] = b

n,m = map(int,input().split())
P = [0]*(n+1)
for i in range(n+1):
    P[i] = i

L = []
for _ in range(m):
    u,v,c = map(int,input().split())
    L.append([u,v,c])
    union(u,v)

s = set()
C = set()
for i in range(m-1,-1,-1):
    u,v,c = L[i]
    p = find(u)
    if p in s: continue
    s.add(p)
    C.add(c)
print(len(C))

Submission Info

Submission Time
Task C - Team Flag Colors
User Cenix820
Language Python (CPython 3.13.7)
Score 366
Code Size 591 Byte
Status AC
Exec Time 303 ms
Memory 53636 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 366 / 366
Status
AC × 5
AC × 84
Set Name Test Cases
Sample sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt
All sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt, in68.txt, in69.txt, in70.txt, in71.txt, in72.txt, in73.txt, in74.txt, in75.txt, in76.txt, in77.txt, in78.txt, in79.txt
Case Name Status Exec Time Memory
in01.txt AC 10 ms 9232 KiB
in02.txt AC 10 ms 9224 KiB
in03.txt AC 10 ms 9232 KiB
in04.txt AC 10 ms 9164 KiB
in05.txt AC 10 ms 9028 KiB
in06.txt AC 10 ms 9116 KiB
in07.txt AC 10 ms 9168 KiB
in08.txt AC 10 ms 9172 KiB
in09.txt AC 10 ms 9148 KiB
in10.txt AC 10 ms 9224 KiB
in11.txt AC 195 ms 46420 KiB
in12.txt AC 199 ms 43536 KiB
in13.txt AC 205 ms 53416 KiB
in14.txt AC 181 ms 37068 KiB
in15.txt AC 197 ms 41488 KiB
in16.txt AC 198 ms 41668 KiB
in17.txt AC 183 ms 36932 KiB
in18.txt AC 187 ms 39948 KiB
in19.txt AC 198 ms 47824 KiB
in20.txt AC 176 ms 37016 KiB
in21.txt AC 11 ms 9164 KiB
in22.txt AC 11 ms 9148 KiB
in23.txt AC 11 ms 9224 KiB
in24.txt AC 11 ms 9096 KiB
in25.txt AC 10 ms 9028 KiB
in26.txt AC 10 ms 9172 KiB
in27.txt AC 100 ms 23372 KiB
in28.txt AC 188 ms 37468 KiB
in29.txt AC 11 ms 9164 KiB
in30.txt AC 11 ms 9168 KiB
in31.txt AC 11 ms 9180 KiB
in32.txt AC 11 ms 9116 KiB
in33.txt AC 11 ms 9168 KiB
in34.txt AC 11 ms 9096 KiB
in35.txt AC 17 ms 10192 KiB
in36.txt AC 187 ms 36532 KiB
in37.txt AC 11 ms 9180 KiB
in38.txt AC 11 ms 9028 KiB
in39.txt AC 11 ms 9012 KiB
in40.txt AC 11 ms 9168 KiB
in41.txt AC 201 ms 41812 KiB
in42.txt AC 248 ms 41788 KiB
in43.txt AC 223 ms 53540 KiB
in44.txt AC 238 ms 47992 KiB
in45.txt AC 188 ms 36892 KiB
in46.txt AC 227 ms 46420 KiB
in47.txt AC 224 ms 39372 KiB
in48.txt AC 228 ms 39092 KiB
in49.txt AC 192 ms 39196 KiB
in50.txt AC 185 ms 39364 KiB
in51.txt AC 195 ms 46412 KiB
in52.txt AC 228 ms 53460 KiB
in53.txt AC 208 ms 53544 KiB
in54.txt AC 251 ms 53420 KiB
in55.txt AC 256 ms 41752 KiB
in56.txt AC 257 ms 41628 KiB
in57.txt AC 220 ms 53636 KiB
in58.txt AC 303 ms 53628 KiB
in59.txt AC 207 ms 41652 KiB
in60.txt AC 11 ms 9116 KiB
in61.txt AC 11 ms 9232 KiB
in62.txt AC 11 ms 9172 KiB
in63.txt AC 11 ms 9148 KiB
in64.txt AC 11 ms 9164 KiB
in65.txt AC 11 ms 9148 KiB
in66.txt AC 11 ms 9148 KiB
in67.txt AC 11 ms 9116 KiB
in68.txt AC 11 ms 9168 KiB
in69.txt AC 11 ms 9172 KiB
in70.txt AC 10 ms 9168 KiB
in71.txt AC 11 ms 9232 KiB
in72.txt AC 11 ms 9164 KiB
in73.txt AC 11 ms 9156 KiB
in74.txt AC 10 ms 9244 KiB
in75.txt AC 11 ms 9012 KiB
in76.txt AC 10 ms 9012 KiB
in77.txt AC 11 ms 9180 KiB
in78.txt AC 11 ms 9164 KiB
in79.txt AC 11 ms 9148 KiB
sample01.txt AC 10 ms 9156 KiB
sample02.txt AC 11 ms 9172 KiB
sample03.txt AC 11 ms 9224 KiB
sample04.txt AC 11 ms 9116 KiB
sample05.txt AC 11 ms 9156 KiB