結果
問題 | No.1680 Sum and Difference |
ユーザー | watarimaycry2 |
提出日時 | 2021-09-17 22:18:49 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 52 ms / 1,000 ms |
コード長 | 4,809 bytes |
コンパイル時間 | 2,517 ms |
コンパイル使用メモリ | 80,300 KB |
実行使用メモリ | 37,244 KB |
最終ジャッジ日時 | 2024-06-29 20:55:24 |
合計ジャッジ時間 | 4,418 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 49 ms
37,200 KB |
testcase_01 | AC | 49 ms
36,888 KB |
testcase_02 | AC | 48 ms
36,912 KB |
testcase_03 | AC | 49 ms
37,212 KB |
testcase_04 | AC | 51 ms
36,988 KB |
testcase_05 | AC | 50 ms
36,828 KB |
testcase_06 | AC | 48 ms
37,164 KB |
testcase_07 | AC | 49 ms
37,096 KB |
testcase_08 | AC | 50 ms
36,716 KB |
testcase_09 | AC | 52 ms
36,852 KB |
testcase_10 | AC | 52 ms
37,168 KB |
testcase_11 | AC | 51 ms
37,092 KB |
testcase_12 | AC | 52 ms
37,244 KB |
testcase_13 | AC | 51 ms
36,940 KB |
testcase_14 | AC | 52 ms
36,852 KB |
testcase_15 | AC | 49 ms
36,912 KB |
testcase_16 | AC | 51 ms
37,008 KB |
testcase_17 | AC | 48 ms
36,940 KB |
testcase_18 | AC | 50 ms
37,212 KB |
testcase_19 | AC | 47 ms
37,048 KB |
testcase_20 | AC | 47 ms
36,684 KB |
ソースコード
import java.util.*; import java.io.*; import java.math.*; public class Main{ //見なくていいよ ここから------------------------------------------ static class InputIterator{ ArrayList<String> inputLine = new ArrayList<>(buf); int index = 0; int max; String read; InputIterator(){ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); try{ while((read = br.readLine()) != null){ inputLine.addAll(Arrays.asList(read.split(" "))); } }catch(IOException e){} max = inputLine.size(); } boolean hasNext(){return (index < max);} String next(){ if(hasNext()){ return inputLine.get(index++); }else{ throw new IndexOutOfBoundsException("There is no more input"); } } } //入力バッファサイズのつもり。入力点数(スペース区切りでの要素数)が100万を超える場合はバッファサイズを100万にすること static int buf = 1024; static HashMap<Integer, String> CONVSTR = new HashMap<>(); static InputIterator ii = new InputIterator();//This class cannot be used in reactive problem. static PrintWriter out = new PrintWriter(System.out); static void flush(){out.flush();} static void myout(Object t){out.println(t);} static void myerr(Object t){System.err.print("debug:");System.err.println(t);} static String next(){return ii.next();} static boolean hasNext(){return ii.hasNext();} static int nextInt(){return Integer.parseInt(next());} static long nextLong(){return Long.parseLong(next());} static double nextDouble(){return Double.parseDouble(next());} static ArrayList<String> nextCharArray(){return myconv(next(), 0);} static ArrayList<String> nextStrArray(int size){ ArrayList<String> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(next()); } return ret; } static ArrayList<Integer> nextIntArray(int size){ ArrayList<Integer> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(Integer.parseInt(next())); } return ret; } static ArrayList<Long> nextLongArray(int size){ ArrayList<Long> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(Long.parseLong(next())); } return ret; } @SuppressWarnings("unchecked") static String myconv(Object list, int no){//only join StringBuilder sb = new StringBuilder(""); String joinString = CONVSTR.get(no); if(list instanceof String[]){ return String.join(joinString, (String[])list); }else if(list instanceof long[]){ long[] tmp = (long[])list; if(tmp.length == 0){ return ""; } sb.append(String.valueOf(tmp[0])); for(int i = 1; i < tmp.length; i++){ sb.append(joinString).append(String.valueOf(tmp[i])); } return sb.toString(); }else if(list instanceof int[]){ int[] tmp = (int[])list; if(tmp.length == 0){ return ""; } sb.append(String.valueOf(tmp[0])); for(int i = 1; i < tmp.length; i++){ sb.append(joinString).append(String.valueOf(tmp[i])); } return sb.toString(); }else if(list instanceof ArrayList){ ArrayList tmp = (ArrayList)list; if(tmp.size() == 0){ return ""; } sb.append(tmp.get(0)); for(int i = 1; i < tmp.size(); i++){ sb.append(joinString).append(tmp.get(i)); } return sb.toString(); }else{ throw new ClassCastException("Don't join"); } } static ArrayList<String> myconv(String str, int no){//only split String splitString = CONVSTR.get(no); return new ArrayList<String>(Arrays.asList(str.split(splitString))); } static ArrayList<String> myconv(String str, String no){ return new ArrayList<String>(Arrays.asList(str.split(no))); } public static void main(String[] args){ CONVSTR.put(8, " "); CONVSTR.put(9, "\n"); CONVSTR.put(0, ""); solve();flush(); } //見なくていいよ ここまで------------------------------------------ //このコードをコンパイルするときは、「-encoding UTF-8」を指定すること static void solve(){//ここがメイン関数 long A = nextLong(); long B = nextLong(); long max = Math.max(A, B); long min = Math.min(A, B); int mod = 1000000007; long output = 0; if(max % 2 == 1){ long size = min / 2; long mmax = max % mod; long mmin = ((size * 2) + 1) % mod; output += (mmax * mmin) % mod; output %= mod; mmax = (max + 1) % mod; mmin = (((min + 1) / 2) * 2) % mod; output += (mmax * mmin) % mod; output %= mod; }else{ long size = min / 2; long mmax = (max + 1) % mod; long mmin = ((size * 2) + 1) % mod; output += (mmax * mmin) % mod; output %= mod; mmax = (max) % mod; mmin = (((min + 1) / 2) * 2) % mod; output += (mmax * mmin) % mod; output %= mod; } myout(output); } //メソッド追加エリア ここから //メソッド追加エリア ここまで }