#224910 (Java21) No.619 CardShuffle

提出ソース

結果

問題	No.619 CardShuffle
ユーザー	yuya178
提出日時	2017-12-19 01:46:53
言語	Java21 (openjdk 21)
結果	WA
実行時間	-
コード長	6,779 bytes
コンパイル時間	2,601 ms
コンパイル使用メモリ	81,148 KB
実行使用メモリ	75,668 KB
最終ジャッジ日時	2024-06-02 04:26:07
合計ジャッジ時間	8,520 ms
ジャッジサーバーID （参考情報）	judge1 / judge4

このコードへのチャレンジ
（要ログイン）

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	48 ms 57,264 KB
testcase_01	AC	52 ms 50,132 KB
testcase_02	AC	51 ms 50,072 KB
testcase_03	WA	-
testcase_04	AC	51 ms 50,168 KB
testcase_05	WA	-
testcase_06	AC	51 ms 50,104 KB
testcase_07	AC	52 ms 49,840 KB
testcase_08	AC	52 ms 50,180 KB
testcase_09	AC	55 ms 50,240 KB
testcase_10	WA	-
testcase_11	RE	-
testcase_12	AC	50 ms 50,340 KB
testcase_13	AC	51 ms 50,056 KB
testcase_14	AC	51 ms 50,024 KB
testcase_15	WA	-
testcase_16	RE	-
testcase_17	TLE	-
testcase_18	--	-
testcase_19	--	-
testcase_20	--	-
testcase_21	--	-
testcase_22	--	-
testcase_23	--	-
testcase_24	--	-
testcase_25	--	-
testcase_26	--	-
testcase_27	--	-
testcase_28	--	-
testcase_29	--	-
testcase_30	--	-
testcase_31	--	-
testcase_32	--	-
testcase_33	--	-
testcase_34	--	-
testcase_35	--	-

権限があれば一括ダウンロードができます

ソースコード

raw source code

import java.io.*;
import java.util.*;
import java.math.*;
// import java.awt.Point;
 
public class Main {
    InputStream is;
    PrintWriter out;
    String INPUT = "";
 
    long MOD = 1_000_000_007;
    int inf = Integer.MAX_VALUE;

    void solve(){
        int n = ni();
        int[] num = new int[(n+1)/2];
        char[] exe = new char[n/2];
        String[] s = ns().split(" ");
        for(int i = 0; i < n; i++){
            if(i%2==0) num[i/2] = Integer.parseInt(s[i]);
            else exe[i/2] = s[i].toCharArray()[0];
        }
        long[] a = new long[n];
        a[0] = num[0];
        for(int i = 2; i < n; i+=2){
            if(exe[i/2-1]=='*') a[i/2] = a[i/2-1]%MOD*num[i/2]%MOD;
            if(exe[i/2-1]=='+') a[i/2] = num[i/2];
            a[i/2]%=MOD;
        }
        long[] b = new long[n];
        b[0] = a[0];
        int k = 2;
        int flag = 1;
        for(int i = 2; i < n; i+=2){
            if(exe[i/2-1]=='*'){
                if(flag == 1) b[i/2] += a[i/2]%MOD;
                else b[i/2] += a[i/2] + b[i/2-k]%MOD;
                k++;
            }
            if(exe[i/2-1]=='+'){
                flag = 2;
                k = 1;
                b[i/2] += a[i/2]%MOD + b[i/2-k]%MOD;
                k = 2;
            }
            b[i/2]%=MOD;
        }
        // for(int i = 0; i < n; i+=2){
        //     out.println(b[i/2]);
        // }


        int q = ni();
        for(int z = 0; z < q; z++){
            s = ns().split(" ");
            char c = s[0].toCharArray()[0];
            int x = Integer.parseInt(s[1]);
            int y = Integer.parseInt(s[2]);
            long ans = 0;
            int st = x/2;
            int go = y/2;
            if(c=='?'){
                if(st==0){
                    ans = b[go];
                }
                else if(exe[st-1]=='+'){
                    ans = b[go]-b[st-1];
                }
                else{
                    long f1 = a[st-1];
                    for(; st < n/2; st++){
                        if(exe[st]=='+') break;
                    }
                    long f2 = a[st];
                    ans = f2/f1 + b[go]%MOD - b[st]%MOD;
                }
                out.println(ans%MOD);
            }
            if(c=='!'){
                if(x%2==1){
                    int tmp = num[st];
                    num[st] = num[go];
                    num[go] = tmp;
                }
                else{
                    char tmp = exe[st-1];
                    exe[st-1] = exe[go-1];
                    exe[go-1] = tmp;
                }
                // for(int i = 0; i < n; i++){
                //     if(i%2==0) out.print(num[i/2]);
                //     else out.print(exe[i/2]);
                // }
                Arrays.fill(a,0);
                a[0] = num[0];
                for(int i = 2; i < n; i+=2){
                    if(exe[i/2-1]=='*') a[i/2] = a[i/2-1]%MOD*num[i/2]%MOD;
                    if(exe[i/2-1]=='+') a[i/2] = num[i/2];
                    a[i/2]%=MOD;
                }
                Arrays.fill(b,0);
                b[0] = a[0];
                k = 2;
                flag = 1;
                for(int i = 2; i < n; i+=2){
                    if(exe[i/2-1]=='*'){
                        if(flag == 1) b[i/2] += a[i/2]%MOD;
                        else b[i/2] += a[i/2] + b[i/2-k]%MOD;
                        k++;
                    }
                    if(exe[i/2-1]=='+'){
                        flag = 2;
                        k = 1;
                        b[i/2] += a[i/2]%MOD + b[i/2-k]%MOD;
                        k = 2;
                    }
                    b[i/2]%=MOD;
                }
            }
        }
    }
    
    void run() throws Exception
    {
        is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
        out = new PrintWriter(System.out);
        
        long s = System.currentTimeMillis();
        solve();
        out.flush();
        if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
    }
    
    public static void main(String[] args) throws Exception { new Main().run(); }
    
    private byte[] inbuf = new byte[1024];
    private int lenbuf = 0, ptrbuf = 0;
    
    private int readByte()
    {
        if(lenbuf == -1)throw new InputMismatchException();
        if(ptrbuf >= lenbuf){
            ptrbuf = 0;
            try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
            if(lenbuf <= 0)return -1;
        }
        return inbuf[ptrbuf++];
    }
    
    private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
    private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
    
    private double nd() { return Double.parseDouble(ns()); }
    private char nc() { return (char)skip(); }
    
    private String ns()
    {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while(!(isSpaceChar(b) && b != ' ')){
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    
    private char[] ns(int n)
    {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while(p < n && !(isSpaceChar(b))){
            buf[p++] = (char)b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    }
    
    private char[][] nm(int n, int m)
    {
        char[][] map = new char[n][];
        for(int i = 0;i < n;i++)map[i] = ns(m);
        return map;
    }
    
    private int[] na(int n)
    {
        int[] a = new int[n];
        for(int i = 0;i < n;i++)a[i] = ni();
        return a;
    }
    
    private int ni()
    {
        int num = 0, b;
        boolean minus = false;
        while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if(b == '-'){
            minus = true;
            b = readByte();
        }
        
        while(true){
            if(b >= '0' && b <= '9'){
                num = num * 10 + (b - '0');
            }else{
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    
    private long nl()
    {
        long num = 0;
        int b;
        boolean minus = false;
        while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if(b == '-'){
            minus = true;
            b = readByte();
        }
        
        while(true){
            if(b >= '0' && b <= '9'){
                num = num * 10 + (b - '0');
            }else{
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    
    private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
 
}

yukicoder

結果

テストケース

ソースコード