[백준/Python]1149번 : RGB거리

https://www.acmicpc.net/problem/1149

1149번: RGB거리

import sys

n = int(sys.stdin.readline())
arr = []
for _ in range(n):
    arr.append(list(map(int, sys.stdin.readline().split())))
for i in range(1, len(arr)):
    arr[i][0] += min(arr[i - 1][1], arr[i - 1][2])
    arr[i][1] += min(arr[i - 1][0], arr[i - 1][2])
    arr[i][2] += min(arr[i - 1][0], arr[i - 1][1])
print(min(arr[n - 1][0], arr[n - 1][1], arr[n - 1][2]))