Submission #1086295

#	Time	Username	Problem	Language	Result	Execution time	Memory
1086295		Oz121	Sateliti (COCI20_satellti)	Java	0 / 110	62 ms	9568 KiB

Main

import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) throws IOException {
        FastIO io = new FastIO(); ArrayList<Row> arr = new ArrayList<>();
        int num = io.nextInt(); int m = io.nextInt();

        for (int i = 0;i<num;i++) {
            String s = io.next(); ArrayList<Integer> r = new ArrayList<>();
            for (int j = 0;j<m;j++) {
                if (s.charAt(j)=='*') r.add(0);
                else r.add(1);
            }
            arr.add(new Row(r));
        }

        int ansR = 0; int ansC = 0; int ans = -1;

        for (int r = 1;r<=num;r++) {
            Row move = arr.remove(0); arr.add(move);
            //System.out.println(arr);

            int count = 0;
            for (int i = 0;i<num;i++) {
                if (arr.get(i).numZ==m) count += m;
                else {
                    ArrayList<Integer> idx = new ArrayList<>(); //list of indices with 1
                    for (int j = 0;j<m;j++) {
                        if (arr.get(i).list.get(j)==1) idx.add(j);
                    }

                    if (idx.isEmpty()) continue;
                    int c = idx.get(idx.size()-1)+1; int tempAns = idx.get(0)+m-idx.get(idx.size()-1)-1;
                    for (int j = 0;j<idx.size()-1;j++) {
                        if (idx.get(j+1)-idx.get(j)-1>tempAns) {
                            tempAns = idx.get(j+1)-idx.get(j)-1; c = idx.get(j)+1;
                        }
                    }

                    if (count+tempAns>ans) {ansR = r; ansC = c; ans = count+tempAns;}
                    break;
                }
            }
        }

        for (int r = 0;r<ansR;r++) {
            Row move = arr.remove(0); arr.add(move);
        }

        //System.out.println(ansR+" "+ansC);

        for (int i = 0;i<num;i++) {
            for (int j = 0;j<m;j++) {
                int temp = arr.get(i).list.get((j+ansC)%m);
                if (temp==0) io.print('*');
                else io.print('.');
            }
            io.println();
        }
        io.close();
    }

    public static class Row {
        ArrayList<Integer> list; int numZ;

        public Row (ArrayList<Integer> list) {
            this.list = list;
            for (int i : list) {
                if (i==0) numZ++;
            }
        }

        @Override
        public String toString() {
            return list.toString();
        }
    }
    public static class FastIO extends PrintWriter {
        private InputStream stream;
        private byte[] buf = new byte[1 << 16];
        private int curChar;
        private int numChars;

        // standard input
        public FastIO() { this(System.in, System.out); }

        public FastIO(InputStream i, OutputStream o) {
            super(o);
            stream = i;
        }

        // file input
        public FastIO(String i, String o) throws IOException {
            super(new FileWriter(o));
            stream = new FileInputStream(i);
        }

        // throws InputMismatchException() if previously detected end of file
        private int nextByte() {
            if (numChars == -1) { throw new InputMismatchException(); }
            if (curChar >= numChars) {
                curChar = 0;
                try {
                    numChars = stream.read(buf);
                } catch (IOException e) { throw new InputMismatchException(); }
                if (numChars == -1) {
                    return -1;  // end of file
                }
            }
            return buf[curChar++];
        }

        // to read in entire lines, replace c <= ' '
        // with a function that checks whether c is a line break
        public String next() {
            int c;
            do { c = nextByte(); } while (c <= ' ');

            StringBuilder res = new StringBuilder();
            do {
                res.appendCodePoint(c);
                c = nextByte();
            } while (c > ' ');
            return res.toString();
        }

        public int nextInt() {  // nextLong() would be implemented similarly
            int c;
            do { c = nextByte(); } while (c <= ' ');

            int sgn = 1;
            if (c == '-') {
                sgn = -1;
                c = nextByte();
            }

            int res = 0;
            do {
                if (c < '0' || c > '9') { throw new InputMismatchException(); }
                res = 10 * res + c - '0';
                c = nextByte();
            } while (c > ' ');
            return res * sgn;
        }

        public double nextDouble() { return Double.parseDouble(next()); }
    }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 60