oj.uz

Submission #163041

# Submission time Handle Problem Language Result Execution time Memory
163041 2019-11-11T06:51:41 Z fluffypotato Bitaro the Brave (JOI19_ho_t1) Java 11
50 / 100
 1000 ms 219148 KB 
import java.util.*;
import java.io.*;

class joi2019_ho_t1 {
    public static void main(String[] args) throws IOException{
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(new PrintStream(System.out));
        StringTokenizer st=new StringTokenizer(f.readLine());
        int n=Integer.parseInt(st.nextToken());
        int m=Integer.parseInt(st.nextToken());
        char[][]arr=new char[n][m];
        int[][]arrJ=new int[n][m];
        int[][]arrI=new int[n][m];
        int[][]arrO=new int[n][m];
        for(int i=0;i<n;i++){
            String a=f.readLine();
            for(int j=0;j<m;j++){
                arr[i][j]=a.charAt(j);
                arrO[i][j]=j==0?0:arrO[i][j-1];
                arrI[i][j]=i==0?0:arrI[i-1][j];
                if(arr[i][j]=='O'){
                    arrO[i][j]++;
                }
                else if(arr[i][j]=='I'){
                    arrI[i][j]++;
                }
            }
        }
        long ans=0;
        for(int i=0;i<n;i++){
            for(int j=0;j<m;j++){
                if(arr[i][j]!='J')continue;
                int x=i==0?arrI[n-1][j]:arrI[n-1][j]-arrI[i-1][j];
                int y=j==0?arrO[i][m-1]:arrO[i][m-1]-arrO[i][j-1];
                ans+=x*y;
            }
        }
        System.out.print(ans);
        f.close();
        out.close();
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 9836 KB Output is correct
2 Correct 94 ms 9704 KB Output is correct
3 Correct 82 ms 9712 KB Output is correct
4 Correct 94 ms 9592 KB Output is correct
5 Correct 92 ms 9816 KB Output is correct
6 Correct 179 ms 9916 KB Output is correct
7 Correct 100 ms 9880 KB Output is correct
8 Correct 97 ms 9968 KB Output is correct
9 Correct 103 ms 10072 KB Output is correct
10 Correct 95 ms 9844 KB Output is correct
11 Correct 103 ms 10040 KB Output is correct
12 Correct 97 ms 10084 KB Output is correct
13 Correct 111 ms 9884 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 9836 KB Output is correct
2 Correct 94 ms 9704 KB Output is correct
3 Correct 82 ms 9712 KB Output is correct
4 Correct 94 ms 9592 KB Output is correct
5 Correct 92 ms 9816 KB Output is correct
6 Correct 179 ms 9916 KB Output is correct
7 Correct 100 ms 9880 KB Output is correct
8 Correct 97 ms 9968 KB Output is correct
9 Correct 103 ms 10072 KB Output is correct
10 Correct 95 ms 9844 KB Output is correct
11 Correct 103 ms 10040 KB Output is correct
12 Correct 97 ms 10084 KB Output is correct
13 Correct 111 ms 9884 KB Output is correct
14 Correct 165 ms 16452 KB Output is correct
15 Correct 103 ms 10104 KB Output is correct
16 Correct 159 ms 15248 KB Output is correct
17 Correct 108 ms 9680 KB Output is correct
18 Correct 185 ms 17808 KB Output is correct
19 Correct 171 ms 17508 KB Output is correct
20 Correct 171 ms 17088 KB Output is correct
21 Correct 177 ms 17668 KB Output is correct
22 Correct 198 ms 17844 KB Output is correct
23 Correct 155 ms 17160 KB Output is correct
24 Correct 188 ms 17468 KB Output is correct
25 Correct 177 ms 17248 KB Output is correct
26 Correct 151 ms 16512 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 9836 KB Output is correct
2 Correct 94 ms 9704 KB Output is correct
3 Correct 82 ms 9712 KB Output is correct
4 Correct 94 ms 9592 KB Output is correct
5 Correct 92 ms 9816 KB Output is correct
6 Correct 179 ms 9916 KB Output is correct
7 Correct 100 ms 9880 KB Output is correct
8 Correct 97 ms 9968 KB Output is correct
9 Correct 103 ms 10072 KB Output is correct
10 Correct 95 ms 9844 KB Output is correct
11 Correct 103 ms 10040 KB Output is correct
12 Correct 97 ms 10084 KB Output is correct
13 Correct 111 ms 9884 KB Output is correct
14 Correct 165 ms 16452 KB Output is correct
15 Correct 103 ms 10104 KB Output is correct
16 Correct 159 ms 15248 KB Output is correct
17 Correct 108 ms 9680 KB Output is correct
18 Correct 185 ms 17808 KB Output is correct
19 Correct 171 ms 17508 KB Output is correct
20 Correct 171 ms 17088 KB Output is correct
21 Correct 177 ms 17668 KB Output is correct
22 Correct 198 ms 17844 KB Output is correct
23 Correct 155 ms 17160 KB Output is correct
24 Correct 188 ms 17468 KB Output is correct
25 Correct 177 ms 17248 KB Output is correct
26 Correct 151 ms 16512 KB Output is correct
27 Correct 962 ms 212792 KB Output is correct
28 Correct 106 ms 11280 KB Output is correct
29 Correct 226 ms 25044 KB Output is correct
30 Correct 95 ms 9856 KB Output is correct
31 Correct 716 ms 133708 KB Output is correct
32 Execution timed out 1004 ms 219148 KB Time limit exceeded
33 Halted 0 ms 0 KB -