Submission #19724288

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Source Code Expand

N, M, T = map(int, input().split())

Z = N

xy = [map(int, input().split()) for _ in range(M)]
A, B = [list(i) for i in zip(*xy)]

A.insert(0, 0)
B.insert(0, 0)



for i in range(M):
    N = N - (A[i+1] - B[i])
    
    if N <= 0:
        print("No")
        exit()

    
    N = N + (B[i+1] - A[i+1])
    if N >= Z:
        N = Z

    
N = N - (T - B[-1])



if N <= 0:
    print("No")
else:
    print("Yes")

Submission Info

Judge Result