20 lines
420 B
Rust
20 lines
420 B
Rust
use std::convert::TryInto;
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impl Solution {
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pub fn pivot_index(nums: Vec<i32>) -> i32 {
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let mut from_left: i32 = 0;
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let mut from_right: i32 = nums.iter().sum();
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for (i, e) in nums.iter().enumerate() {
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from_right -= e;
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if from_left == from_right {
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return i.try_into().unwrap();
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}
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from_left += e;
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}
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-1
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}
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}
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