38 lines
882 B
Rust
38 lines
882 B
Rust
/**
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* [2412] Minimum Money Required Before Transactions
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*/
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pub struct Solution {}
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// submission codes start here
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impl Solution {
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pub fn minimum_money(transactions: Vec<Vec<i32>>) -> i64 {
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// (total_lose, max(cost, cashback))
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let (total_lose, mx) = transactions.into_iter().fold((0, 0), |(total_lose, m), v| {
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let (cost, cash_back) = (v[0] as i64, v[1] as i64);
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(
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total_lose + 0.max(cost - cash_back),
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m.max(cost.min(cash_back)),
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)
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});
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total_lose + mx
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}
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}
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// submission codes end
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_2412() {
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assert_eq!(
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10,
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Solution::minimum_money(vec![vec![2, 1], vec![5, 0], vec![4, 2]])
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);
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assert_eq!(3, Solution::minimum_money(vec![vec![3, 0], vec![0, 3]]));
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}
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}
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