alarm clock question codeforces polycarp
t = int(input())
for _ in range(t):
a, b, c, d = map(int, input().split())
if b >= a:
print(b)
continue
if c <= d:
print(-1)
continue
a -= b
dif = c - d
print(b + (a + dif - 1) // dif * c)alarm clock question codeforces polycarp
t = int(input())
for _ in range(t):
a, b, c, d = map(int, input().split())
if b >= a:
print(b)
continue
if c <= d:
print(-1)
continue
a -= b
dif = c - d
print(b + (a + dif - 1) // dif * c)Copyright © 2021 Codeinu
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