Submission #62577302

Source Code Expand

use ac_library::convolution_i64;
use proconio::input;

fn main() {
    input!{
        n: usize,
        s: [usize; n],
    }
    static N: usize = 1_000_000 + 2;
    let mut a = vec![0; N];
    for &si in &s {
        a[si] = 1;
    }
    let conv = convolution_i64(&a, &a);
    let ans = s.iter().map(|&si| (conv[2*si]-1)/2).sum::<i64>();
    println!("{}", ans);
}

Submission Info

Submission Time
Task G - Fine Triplets
User ardRiriy
Language Rust (rustc 1.70.0)
Score 600
Code Size 369 Byte
Status AC
Exec Time 661 ms
Memory 103124 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 600 / 600
Status
AC × 3
AC × 43
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt
Case Name Status Exec Time Memory
sample_01.txt AC 612 ms 80776 KiB
sample_02.txt AC 617 ms 80764 KiB
sample_03.txt AC 611 ms 80636 KiB
test_01.txt AC 623 ms 80708 KiB
test_02.txt AC 616 ms 80636 KiB
test_03.txt AC 618 ms 80720 KiB
test_04.txt AC 620 ms 80764 KiB
test_05.txt AC 616 ms 80768 KiB
test_06.txt AC 615 ms 80732 KiB
test_07.txt AC 614 ms 80648 KiB
test_08.txt AC 621 ms 80748 KiB
test_09.txt AC 613 ms 80580 KiB
test_10.txt AC 612 ms 80808 KiB
test_11.txt AC 615 ms 80692 KiB
test_12.txt AC 614 ms 80816 KiB
test_13.txt AC 617 ms 80740 KiB
test_14.txt AC 618 ms 82188 KiB
test_15.txt AC 617 ms 80796 KiB
test_16.txt AC 616 ms 80868 KiB
test_17.txt AC 617 ms 80824 KiB
test_18.txt AC 622 ms 88588 KiB
test_19.txt AC 617 ms 80848 KiB
test_20.txt AC 622 ms 81648 KiB
test_21.txt AC 622 ms 81956 KiB
test_22.txt AC 620 ms 88772 KiB
test_23.txt AC 615 ms 82412 KiB
test_24.txt AC 617 ms 88536 KiB
test_25.txt AC 630 ms 90136 KiB
test_26.txt AC 624 ms 90556 KiB
test_27.txt AC 644 ms 97240 KiB
test_28.txt AC 654 ms 101784 KiB
test_29.txt AC 636 ms 95720 KiB
test_30.txt AC 638 ms 95808 KiB
test_31.txt AC 642 ms 95668 KiB
test_32.txt AC 653 ms 103124 KiB
test_33.txt AC 661 ms 103060 KiB
test_34.txt AC 658 ms 103100 KiB
test_35.txt AC 652 ms 103052 KiB
test_36.txt AC 650 ms 103052 KiB
test_37.txt AC 652 ms 103056 KiB
test_38.txt AC 653 ms 102992 KiB
test_39.txt AC 652 ms 103100 KiB
test_40.txt AC 657 ms 103048 KiB