Buggy python submission (verdict: Time Limit Exceeded):
from itertools import permutations
import sys

N, M, R = map(int, sys.stdin.readline().split())
r = [int(i) - 1 for i in sys.stdin.readline().split()]
d = [[float('inf')] * N for j in range(N)]
for i in range(M):
    A, B, C = map(int, sys.stdin.readline().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[B-1][A-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = float('inf')
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    l = min(l, tmp_l)
print(l)

Fixed submission:
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Buggy python submission (verdict: Runtime Error):
from itertools import permutations
import sys

N, M, R = map(int, sys.stdin.readline().split())
r = [int(i) - 1 for i in sys.stdin.readline().split()]
d = [[float('inf')] * N for j in range(N)]
for i in range(M):
    A, B, C = map(int, sys.stdin.readline().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[B-1][A-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = float('inf')
for o in permutations(r):
    tmp_l = 0
    for i in range(len(o[:-1]))
        tmp_l = tmp_l + d[i][i+1]
    l = min(l, tmp_l)
print(l)

Fixed submission:
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import permutations
import sys

N, M, R = map(int, sys.stdin.readline().split())
r = [int(i) - 1 for i in sys.stdin.readline().split()]
d = [[float('inf')] * N for j in range(N)]
for i in range(M):
    A, B, C = map(int, sys.stdin.readline().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[B-1][A-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = float('inf')
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    l = min(l, tmp_l)
print(l)

Fixed submission:
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import permutations
import sys

N, M, R = map(int, sys.stdin.readline().split())
r = [int(i) - 1 for i in sys.stdin.readline().split()]
d = [[float('inf')] * N for j in range(N)]
for i in range(M):
    A, B, C = map(int, sys.stdin.readline().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[B-1][A-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Fixed submission:
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[float('inf')] * N for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Fixed submission:
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)

Fixed submission:
from itertools import permutations
N, M, R = map(int, input().split())
r = [int(i) - 1 for i in input().split()]
d = [[10000000 for i in range(N)] for j in range(N)]
for i in range(M):
    A, B, C = map(int, input().split())
    d[A-1][B-1] = min(d[A-1][B-1], C)
    d[B-1][A-1] = min(d[A-1][B-1], C)
for k in range(N):
    for s in range(N):
        for e in range(N):
            d[s][e] = min(d[s][e], d[s][k] + d[k][e])
l = True
for o in permutations(r):
    tmp_l = 0
    for s, e in zip(o[:-1], o[1:]):
        tmp_l = tmp_l + d[s][e]
    if l is True:
        l = tmp_l
    else:
        l = min(l, tmp_l)
print(l)