Submission #7551880

---

Source Code Expand

N = int(input())

t_b = x_b = y_b = 0 # 直前の時刻と位置保存用

def dist(x, x_b, y, y_b):
    return abs(x-x_b) + abs(y-y_b)

miss_flg = 0

for i in range(N):
    t, x, y = map(int, input().split())
    if dist(x, x_b, y, y_b) > t - t_b or ((t - t_b) + dist(x, x_b, y, y_b))% 2 == 1: # 到達不能もしくは距離と残り時間の偶奇が不一致
        miss_flg = 1
    t_b, x_b, y_b = t, x, y

print("Yes" if miss_flg == 0 else "No")

Submission Info

Judge Result