Tietoverkko

def speed(connection):
    return connection[2]

ip = []
if True:
    n = int(input())
    ip.append(n)
    for _ in range(n-1):
        ip.append(input())
else:
    file = open("input.txt")
    for line in file:
        ip.append(line.strip())
    n = int(input[0])

#print(ip)
connections = []
for i in range(1, n):
    row = ip[i].split()
    connections.append((int(row[0]), int(row[1]), int(row[2])))

#print(connections)
connections.sort(key=speed, reverse=True)
#print(connections)

result = 0
for i in range(n-1):
    result += (i+1)*connections[i][2]

print(result)

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 2

Group: 2, 3

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER