Submission #305931

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
305931	2020-09-24T05:35:38 Z	llaki	Packing Biscuits (IOI20_biscuits)	Java 11	21 / 100	1000 ms	99144 KB

biscuits

import java.util.HashMap;

public class biscuits {
    long count_tastiness(long x, long[] a) {
        HashMap<Long, Long> freq = new HashMap<>();
        freq.put(a[0], 1l);
        for (int pos = 0; pos < a.length - 1; pos++) {
            HashMap<Long, Long> map = new HashMap<>();
            for (long y : freq.keySet()) {
                long val = a[pos + 1] + y / 2;
                Long oldFreq = map.get(val);
                map.put(val, (oldFreq != null ? oldFreq.longValue() : 0) + freq.get(y));
                if (y >= x) {
                    val = a[pos + 1] + (y - x) / 2;
                    oldFreq = map.get(val);
                    map.put(val, (oldFreq != null ? oldFreq.longValue() : 0) + freq.get(y));
                }
            }
            freq = map;
        }
        long ans = 0;
        for (long y : freq.keySet()) {
            ans += freq.get(y) * (y / x + 1);
        }
        return ans;
    }
}

Subtask #1

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	91 ms	10348 KB	Output is correct
2	Correct	98 ms	10460 KB	Output is correct
3	Correct	83 ms	10336 KB	Output is correct
4	Correct	92 ms	10472 KB	Output is correct
5	Correct	87 ms	10100 KB	Output is correct
6	Correct	87 ms	10236 KB	Output is correct
7	Correct	85 ms	10336 KB	Output is correct
8	Correct	89 ms	10468 KB	Output is correct
9	Correct	86 ms	10124 KB	Output is correct
10	Correct	90 ms	10348 KB	Output is correct
11	Correct	82 ms	10472 KB	Output is correct
12	Correct	98 ms	10392 KB	Output is correct
13	Correct	100 ms	10592 KB	Output is correct
14	Correct	110 ms	11500 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	86 ms	10356 KB	Output is correct
2	Correct	90 ms	10264 KB	Output is correct
3	Correct	83 ms	10232 KB	Output is correct
4	Correct	94 ms	10472 KB	Output is correct
5	Correct	95 ms	10272 KB	Output is correct
6	Correct	108 ms	11116 KB	Output is correct
7	Correct	86 ms	10244 KB	Output is correct
8	Correct	104 ms	10868 KB	Output is correct
9	Correct	100 ms	10616 KB	Output is correct

Subtask #3

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	100 ms	10556 KB	Output is correct
2	Correct	87 ms	10304 KB	Output is correct
3	Correct	92 ms	10384 KB	Output is correct
4	Correct	108 ms	10652 KB	Output is correct
5	Correct	96 ms	10616 KB	Output is correct
6	Correct	114 ms	11768 KB	Output is correct
7	Correct	87 ms	10232 KB	Output is correct
8	Execution timed out	1077 ms	92936 KB	Time limit exceeded
9	Halted	0 ms	0 KB	-

Subtask #4

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	116 ms	11116 KB	Output is correct
2	Execution timed out	1200 ms	99144 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #5

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	91 ms	10348 KB	Output is correct
2	Correct	98 ms	10460 KB	Output is correct
3	Correct	83 ms	10336 KB	Output is correct
4	Correct	92 ms	10472 KB	Output is correct
5	Correct	87 ms	10100 KB	Output is correct
6	Correct	87 ms	10236 KB	Output is correct
7	Correct	85 ms	10336 KB	Output is correct
8	Correct	89 ms	10468 KB	Output is correct
9	Correct	86 ms	10124 KB	Output is correct
10	Correct	90 ms	10348 KB	Output is correct
11	Correct	82 ms	10472 KB	Output is correct
12	Correct	98 ms	10392 KB	Output is correct
13	Correct	100 ms	10592 KB	Output is correct
14	Correct	110 ms	11500 KB	Output is correct
15	Correct	86 ms	10356 KB	Output is correct
16	Correct	90 ms	10264 KB	Output is correct
17	Correct	83 ms	10232 KB	Output is correct
18	Correct	94 ms	10472 KB	Output is correct
19	Correct	95 ms	10272 KB	Output is correct
20	Correct	108 ms	11116 KB	Output is correct
21	Correct	86 ms	10244 KB	Output is correct
22	Correct	104 ms	10868 KB	Output is correct
23	Correct	100 ms	10616 KB	Output is correct
24	Correct	100 ms	10556 KB	Output is correct
25	Correct	87 ms	10304 KB	Output is correct
26	Correct	92 ms	10384 KB	Output is correct
27	Correct	108 ms	10652 KB	Output is correct
28	Correct	96 ms	10616 KB	Output is correct
29	Correct	114 ms	11768 KB	Output is correct
30	Correct	87 ms	10232 KB	Output is correct
31	Execution timed out	1077 ms	92936 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-