結果
問題 | No.5002 stick xor |
ユーザー | 最新の錆 |
提出日時 | 2018-05-30 06:55:11 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 37 ms / 1,000 ms |
コード長 | 7,067 bytes |
コンパイル時間 | 3,480 ms |
実行使用メモリ | 5,100 KB |
スコア | 40,139 |
最終ジャッジ日時 | 2018-05-30 06:55:17 |
ジャッジサーバーID (参考情報) |
judge6 / |
純コード判定しない問題か言語 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 37 ms
5,096 KB |
testcase_01 | AC | 35 ms
5,092 KB |
testcase_02 | AC | 35 ms
5,096 KB |
testcase_03 | AC | 34 ms
5,092 KB |
testcase_04 | AC | 33 ms
5,096 KB |
testcase_05 | AC | 33 ms
5,096 KB |
testcase_06 | AC | 33 ms
5,096 KB |
testcase_07 | AC | 34 ms
5,096 KB |
testcase_08 | AC | 34 ms
5,092 KB |
testcase_09 | AC | 34 ms
5,092 KB |
testcase_10 | AC | 35 ms
5,096 KB |
testcase_11 | AC | 34 ms
5,096 KB |
testcase_12 | AC | 34 ms
5,092 KB |
testcase_13 | AC | 34 ms
5,092 KB |
testcase_14 | AC | 34 ms
5,096 KB |
testcase_15 | AC | 34 ms
5,100 KB |
testcase_16 | AC | 34 ms
5,092 KB |
testcase_17 | AC | 33 ms
5,096 KB |
testcase_18 | AC | 34 ms
5,096 KB |
testcase_19 | AC | 33 ms
5,092 KB |
testcase_20 | AC | 33 ms
5,096 KB |
testcase_21 | AC | 32 ms
5,100 KB |
testcase_22 | AC | 34 ms
5,092 KB |
testcase_23 | AC | 34 ms
5,092 KB |
testcase_24 | AC | 34 ms
5,096 KB |
testcase_25 | AC | 33 ms
5,096 KB |
testcase_26 | AC | 34 ms
5,100 KB |
testcase_27 | AC | 35 ms
5,096 KB |
testcase_28 | AC | 35 ms
5,092 KB |
testcase_29 | AC | 34 ms
5,096 KB |
testcase_30 | AC | 33 ms
5,096 KB |
testcase_31 | AC | 34 ms
5,096 KB |
コンパイルメッセージ
warning: variable does not need to be mutable --> Main.rs:176:17 | 176 | let mut out = min(min(i, j), n-(j+l)); | ---^^^^ | | | help: remove this `mut` | = note: #[warn(unused_mut)] on by default
ソースコード
use std::io::{Read, stdin}; use std::cmp::{max, min}; fn main() { let mut buf = String::new(); stdin().read_to_string(&mut buf).unwrap(); let mut tok = buf.split_whitespace(); let mut get = || tok.next().unwrap(); macro_rules! get { ($t:ty) => (get().parse::<$t>().unwrap()); () => (get!(usize)); } let n = get!(); let k = get!(); let mut ls = vec![0; k]; let mut lmax = 0; for i in 0..ls.len() { ls[i] = get!(); lmax = max(lmax, ls[i]); } let mut lcount = vec![0; lmax+1]; for &l in ls.iter() { lcount[l] += 1; } let mut field = vec![vec![]; n]; for i in 0..field.len() { let a = get().as_bytes(); for j in 0..a.len() { field[i].push((a[j] - b'0') as i32); } } let mut ans = vec![vec![]; lmax+1]; for l in 1..lmax { let l = lmax - l; while lcount[l] > 0 { if let Some((x, y, h)) = search_max(n, &field, l) { lcount[l] -= 1; ans[l].push((x, y, h)); if h { for x in x..x+l { field[y][x] = 1 - field[y][x]; } } else { for y in y..y+l { field[y][x] = 1 - field[y][x]; } } continue; } // if lcount[l] > 1 { // if let Some((x, y, h)) = search_side(n, &field, l+1) { // lcount[l] -= 2; // if h { // ans[l].push((x, y, h)); // ans[l].push((x+1, y, h)); // field[y][x] = 1 - field[y][x]; // field[y][x+l] = 1 - field[y][x+l]; // } else { // ans[l].push((x, y, h)); // ans[l].push((x, y+1, h)); // field[y][x] = 1 - field[y][x]; // field[y+l][x] = 1 - field[y+l][x]; // } // } // continue; // } if lcount[l] % 2 != 0 { let (x, y, h) = search_any(n, &field, l); lcount[l] -= 1; ans[l].push((x, y, h)); if h { for x in x..x+l { field[y][x] = 1 - field[y][x]; } } else { for y in y..y+l { field[y][x] = 1 - field[y][x]; } } // continue; } break; } } for l in 1..lmax { let l = lmax - l; while lcount[l] > 1 { if let Some((x, y, h)) = search_side(n, &field, l+1) { lcount[l] -= 2; if h { ans[l].push((x, y, h)); ans[l].push((x+1, y, h)); field[y][x] = 1 - field[y][x]; field[y][x+l] = 1 - field[y][x+l]; } else { ans[l].push((x, y, h)); ans[l].push((x, y+1, h)); field[y][x] = 1 - field[y][x]; field[y+l][x] = 1 - field[y+l][x]; } } else { break; } } } for y in 0..n { for x in 0..n { if field[y][x] != 0 { ans[1].push((x, y, true)); } } } for &l in ls.iter() { if let Some((x, y, h)) = ans[l].pop() { if h { println!("{0} {1} {0} {2}", y+1, x+1, x+l); } else { println!("{1} {0} {2} {0}", x+1, y+1, y+l); } } else { println!("1 1 1 {0}", l); } } } fn search_max(n: usize, field: &Vec<Vec<i32>>, l: usize) -> Option<(usize, usize, bool)> { let mut max_cnt = -1; let mut sel_x = 0; let mut sel_y = 0; let mut hori = false; for i in 0..n { for j in 0..n-l+1 { let mut cnt = 0; for p in j..j+l { cnt += field[i][p]; } if cnt+cnt > l as i32 && cnt > max_cnt { max_cnt = cnt; sel_x = j; sel_y = i; hori = true; } let mut cnt = 0; for p in j..j+l { cnt += field[p][i]; } if cnt+cnt > l as i32 && cnt > max_cnt { max_cnt = cnt; sel_x = i; sel_y = j; hori = false; } } } if max_cnt < 0 { None } else { Some((sel_x, sel_y, hori)) } } fn search_any(n: usize, field: &Vec<Vec<i32>>, l: usize) -> (usize, usize, bool) { let mut max_cnt = -1; let mut max_out = 0; let mut sel_x = 0; let mut sel_y = 0; let mut hori = false; for i in 0..n { for j in 0..n-l+1 { let mut out = min(min(i, j), n-(j+l)); let mut cnt = 0; for p in j..j+l { cnt += field[i][p]; } if cnt > max_cnt || (cnt == max_cnt && out > max_out) { max_cnt = cnt; max_out = out; sel_x = j; sel_y = i; hori = true; } let mut cnt = 0; for p in j..j+l { cnt += field[p][i]; } if cnt > max_cnt || (cnt == max_cnt && out > max_out) { max_cnt = cnt; max_out = out; sel_x = i; sel_y = j; hori = false; } } } (sel_x, sel_y, hori) } fn search_side(n: usize, field: &Vec<Vec<i32>>, l: usize) -> Option<(usize, usize, bool)> { // let mut min_out = n; let mut min_out = n as i32; let mut sel_x = 0; let mut sel_y = 0; let mut hori = false; for i in 0..n { for j in 0..n-l+1 { // let out = min(min(i, j), n-(j+l)); let mut cnt = 0; cnt += field[i][j]; cnt += field[i][j+l-1]; let mut out = 0; for p in j+1..j+l-1 { out += field[i][p]; } if cnt > 1 && out < min_out { min_out = out; sel_x = j; sel_y = i; hori = true; } let mut cnt = 0; cnt += field[j][i]; cnt += field[j+l-1][i]; let mut out = 0; for p in j+1..j+l-1 { out += field[p][i]; } if cnt > 1 && out < min_out { min_out = out; sel_x = i; sel_y = j; hori = false; } } } // if min_out < n { if min_out < n as i32 { Some((sel_x, sel_y, hori)) } else { None } }