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after solving I was reading comments, I was shocked seeing same solution I wrote.
static int birthday(List<Integer> s, int d, int m) {
int count = 0;
for (int i = 0; i <= s.size() - m; i++) {
if (d == s.subList(i, i + m). stream().mapToInt(Integer::intValue).sum())
count++;
}
return count;
}
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Subarray Division
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after solving I was reading comments, I was shocked seeing same solution I wrote.