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impl Solution {
pub fn min_operations(nums: Vec<i32>) -> i32 {
let mut ones: i32 = 0;
let mut max_len: i32 = 0;
let n = nums.len();
let mut i: usize = 0;
while i < n {
let mut val = nums[i];
let mut bits: i32 = 0;
let mut len: i32 = 0;
while val > 0 {
if val % 2 == 1 {
bits = bits + 1;
}
val = val / 2;
len = len + 1;
}
ones = ones + bits;
if len > max_len {
max_len = len;
}
i = i + 1;
}
if max_len > 0 {
ones + max_len - 1
} else {
ones
}
}
}