Maalaus

warning: unused variable: `instructionindex`
  --> input/code.rs:13:9
   |
13 |     for instructionindex in 0..startdata[3] {
   |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instructionindex`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: 1 warning emitted

use std::io;
use std::collections::{HashSet, HashMap};
 
fn main() {
    let mut input = String::new();
    io::stdin().read_line(&mut input).expect("Failed to read input");
 
    let startdata: Vec<usize> = input.split_ascii_whitespace().map(|e| e.parse::<usize>().unwrap()).collect();
 
    let mut instructions: Vec<(usize, usize, bool)> = vec!();
 
    // Kerää ohjeet vektoriin
    for instructionindex in 0..startdata[3] {
        let mut stepinput = String::new();
        io::stdin().read_line(&mut stepinput).expect("Failed to read input");
        let instruction = parse_input(&stepinput);
        instructions.push(instruction);

        /*let op = match instructionindex%2 {
            1 => true,
            0 => false,
            _ => false,
        };
        let index = (instructionindex*67)%100;
        let color = (instructionindex*79)%100;
        instructions.push((index, color, op));*/
    }

    let mut instructionsvec = instructions.into_iter().rev().collect::<Vec<(usize, usize, bool)>>();
    dedup(&mut instructionsvec);
    let instructionlist = instructionsvec.into_iter().rev().collect::<Vec<(usize, usize, bool)>>();

    if startdata[2] == 1 {
        let mut rowsfilled: usize = 0;
        let mut colsfilled: usize = 0;
        let mut color: usize = 0;
        for instruction in instructionlist {
            if instruction.2 {
                rowsfilled += 1;
                color += startdata[1];
                color -= colsfilled;
            } else {
                colsfilled += 1;
                color += startdata[0];
                color -= rowsfilled;
            }
        }
        println!("{}", color);
    } else {
        let mut rowhash: HashMap<usize, usize> = HashMap::new();
        let mut colhash: HashMap<usize, usize> = HashMap::new();
        let mut colors: Vec<usize> = vec!();

        for _color in 0..startdata[2] {
            colors.push(0);
        }

        for instruction in instructionlist {
            if instruction.2 {
                match rowhash.get_mut(&instruction.1) {
                    Some(s) => {*s += 1;}
                    None => {rowhash.insert(instruction.1, 1);}
                } for col in &colhash {
                    colors[*col.0] -= col.1;
                }
            } else {
                match colhash.get_mut(&instruction.1) {
                    Some(s) => {*s += 1;}
                    None => {colhash.insert(instruction.1, 1);}
                } for row in &rowhash {
                    colors[*row.0] -= row.1;
                }
            }
        }
        for color in colors {
            println!("{}", color);
        }
    }
}
 
pub fn parse_input(input: &String) -> (usize, usize, bool) {
    let datavector: Vec<&str> = input.split_ascii_whitespace().collect();
    let command = match datavector[0] {
        "R" => true,
        "C" => false,
        _ => false,
    };
 
    let index = datavector[1].parse::<usize>().unwrap();
    let color = datavector[2].parse::<usize>().unwrap();
 
    return (index-1, color-1, command);
}
 
fn dedup(v: &mut Vec<(usize, usize, bool)>) {
    let mut set = HashSet::new();
    v.retain(|x| set.insert((x.0, x.2)));
}

Test 1 (public)

Group: 1, 3, 4

Verdict: WRONG ANSWER

Test 2 (public)

Group: 3, 4

Verdict: WRONG ANSWER

Test 3

Group: 1, 3, 4

Verdict: WRONG ANSWER

Test 4

Group: 2, 4

Verdict: ACCEPTED

Test 5

Group: 2, 4

Verdict: ACCEPTED

Test 6

Group: 3, 4

Verdict: WRONG ANSWER

Test 7

Group: 3, 4

Verdict: WRONG ANSWER

Test 8

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 1, 3, 4

Verdict: WRONG ANSWER

Test 11

Group: 1, 3, 4

Verdict: WRONG ANSWER

Test 12

Group: 2, 4

Verdict: ACCEPTED

Test 13

Group: 2, 4

Verdict: ACCEPTED

Test 14

Group: 4

Verdict: WRONG ANSWER

Test 15

Group: 4

Verdict: WRONG ANSWER

Test 16

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 4

Verdict: TIME LIMIT EXCEEDED