Submission #2869961

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Source Code Expand

N = int(input())
a = [list(map(int,input().split())) for i in range(N)]
a.insert(0,[0,0,0])

for i in range(N):
    if abs((a[i+1][1]+a[i+1][2])-(a[i][1]+a[i][2]))<=a[i+1][0]-a[i][0] and ((a[i+1][0]-a[i][0])%2==0 and abs((a[i+1][1]+a[i+1][2])-(a[i][1]+a[i][2]))%2==0) or ((a[i+1][0]-a[i][0])%2!=0 and abs((a[i+1][1]+a[i+1][2])-(a[i][1]+a[i][2]))%2!=0):
    	pass
    else:
        print('No')
        exit()
print('Yes')

Submission Info

Judge Result