結果
問題 | No.297 カードの数式 |
ユーザー | uafr_cs |
提出日時 | 2015-11-06 23:01:32 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,893 bytes |
コンパイル時間 | 2,471 ms |
コンパイル使用メモリ | 87,384 KB |
実行使用メモリ | 63,640 KB |
最終ジャッジ日時 | 2024-09-13 13:29:21 |
合計ジャッジ時間 | 5,774 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 157 ms
61,768 KB |
testcase_01 | AC | 157 ms
54,652 KB |
testcase_02 | AC | 161 ms
54,608 KB |
testcase_03 | AC | 156 ms
54,956 KB |
testcase_04 | TLE | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
ソースコード
import java.util.Arrays; import java.util.HashSet; import java.util.LinkedList; import java.util.Scanner; import java.util.Set; public class Main { public static long min = Long.MAX_VALUE; public static long max = Long.MIN_VALUE; public static long estimate_max(long total, long sign, long current, final int n_count, int[] numbers, int o_count, int[] ops){ if(sign > 0 || ops[0] > 0){ if(sign < 0 && ops[0] > 0){ total += sign * current; sign = 1; current = 0; o_count--; } for(int rest = n_count - o_count, i = 9; i >= 0; i--){ final int times = Math.min(numbers[i], rest); rest -= times; for(int j = 0; j < times; j++){ current *= 10; current += i; } for(int j = 0; j < numbers[i] - times; j++){ current += i; } } return total + sign * current; }else{ for(int rest = n_count - o_count, i = 0; i < 10; i++){ final int times = Math.min(numbers[i], rest); rest -= times; for(int j = 0; j < times; j++){ current *= 10; current += i; } for(int j = 0; j < numbers[i] - times; j++){ current += i; } } return total + sign * current; } } public static long estimate_min(long total, long sign, long current, final int n_count, int[] numbers, int o_count, int[] ops){ if(sign < 0 || ops[1] > 0){ if(sign > 0 && ops[1] > 0){ total += sign * current; sign = -1; current = 0; o_count--; } for(int rest = n_count - o_count, i = 9; i >= 0; i--){ final int times = Math.min(numbers[i], rest); rest -= times; for(int j = 0; j < times; j++){ current *= 10; current += i; } for(int j = 0; j < numbers[i] - times; j++){ current += i; } } return total + sign * current; }else{ for(int rest = n_count - o_count, i = 0; i < 10; i++){ final int times = Math.min(numbers[i], rest); rest -= times; for(int j = 0; j < times; j++){ current *= 10; current += i; } for(int j = 0; j < numbers[i] - times; j++){ current += i; } } return total + sign * current; } } public static void dfs(long total, long sign, long current, boolean first, final int n_count, int[] numbers, final int o_count, int[] ops){ if(n_count == 0 && o_count == 0){ total += current * sign; min = Math.min(min, total); max = Math.max(max, total); return; } final long estimate_max = estimate_max(total, sign, current, n_count, numbers, o_count, ops); final long estimate_min = estimate_min(total, sign, current, n_count, numbers, o_count, ops); if(estimate_max < max && estimate_min > min){ return; } //System.out.println(); if(first || n_count > o_count){ for(int i = 0; i < 10; i++){ if(numbers[i] > 0){ numbers[i]--; dfs(total, sign, current * 10 + i, false, n_count - 1, numbers, o_count, ops); numbers[i]++; } } } if(!first){ if(ops[0] > 0){ ops[0]--; dfs(total + current * sign, 1, 0, true, n_count, numbers, o_count - 1, ops); ops[0]++; } if(ops[1] > 0){ ops[1]--; dfs(total + current * sign, -1, 0, true, n_count, numbers, o_count - 1, ops); ops[1]++; } } } public static void main(String[] args) { Scanner sc = new Scanner(System.in); final int N = sc.nextInt(); char[] inputs = new char[N]; for(int i = 0; i < N; i++){ inputs[i] = sc.next().charAt(0); } int n_count = 0, o_count = 0; int[] ops = new int[2]; int[] numbers = new int[10]; for(int i = 0; i < inputs.length; i++){ switch(inputs[i]){ case '+': ops[0]++; o_count++; break; case '-': ops[1]++; o_count++; break; default : numbers[Character.getNumericValue(inputs[i])]++; n_count++; } } dfs(0, 1, 0, true, n_count, numbers, o_count, ops); System.out.println(max + " " + min); } }