oj.uz

Submission #709826

# Submission time Handle Problem Language Result Execution time Memory
709826 2023-03-14T15:03:36 Z rainboy Self Study (JOI22_ho_t2) C
100 / 100
 238 ms 9008 KB 
#include <stdio.h>

#define N	300000
#define INF	0x3f3f3f3f3f3f3f3fLL

int max(int a, int b) { return a > b ? a : b; }

int solve(int *aa, int *bb, int n, int m, long long s) {
	int i;
	long long k_, k;

	k_ = (long long) n * m;
	for (i = 0; i < n; i++) {
		k = s <= (long long) aa[i] * m ? (s + aa[i] - 1) / aa[i] : m + (s - (long long) aa[i] * m + bb[i] - 1) / bb[i];
		if (k_ < k)
			return 0;
		k_ -= k;
	}
	return 1;
}

int main() {
	static int aa[N], bb[N];
	int n, m, i;
	long long lower, upper;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]);
	for (i = 0; i < n; i++) {
		scanf("%d", &bb[i]);
		aa[i] = max(aa[i], bb[i]);
	}
	lower = 0, upper = INF;
	while (upper - lower > 1) {
		long long s = (lower + upper) / 2;

		if (solve(aa, bb, n, m, s))
			lower = s;
		else
			upper = s;
	}
	printf("%lld\n", lower);
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:27:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:29:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~
Main.c:31:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |   scanf("%d", &bb[i]);
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 123 ms 8312 KB Output is correct
12 Correct 123 ms 8336 KB Output is correct
13 Correct 125 ms 6392 KB Output is correct
14 Correct 99 ms 6380 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 55 ms 3684 KB Output is correct
17 Correct 123 ms 9000 KB Output is correct
18 Correct 126 ms 8384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 55 ms 3684 KB Output is correct
3 Correct 123 ms 9000 KB Output is correct
4 Correct 126 ms 8384 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 79 ms 4348 KB Output is correct
14 Correct 44 ms 2992 KB Output is correct
15 Correct 32 ms 2252 KB Output is correct
16 Correct 24 ms 1876 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 3 ms 340 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 123 ms 8312 KB Output is correct
12 Correct 123 ms 8336 KB Output is correct
13 Correct 125 ms 6392 KB Output is correct
14 Correct 99 ms 6380 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 292 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 296 KB Output is correct
23 Correct 79 ms 4348 KB Output is correct
24 Correct 44 ms 2992 KB Output is correct
25 Correct 32 ms 2252 KB Output is correct
26 Correct 24 ms 1876 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 55 ms 3684 KB Output is correct
36 Correct 123 ms 9000 KB Output is correct
37 Correct 126 ms 8384 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 0 ms 292 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 296 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 296 KB Output is correct
44 Correct 1 ms 292 KB Output is correct
45 Correct 3 ms 340 KB Output is correct
46 Correct 5 ms 468 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 20 ms 1668 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 288 KB Output is correct
51 Correct 3 ms 340 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 60 ms 4308 KB Output is correct
56 Correct 41 ms 2324 KB Output is correct
57 Correct 39 ms 2300 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 79 ms 4348 KB Output is correct
10 Correct 44 ms 2992 KB Output is correct
11 Correct 32 ms 2252 KB Output is correct
12 Correct 24 ms 1876 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 55 ms 3684 KB Output is correct
22 Correct 123 ms 9000 KB Output is correct
23 Correct 126 ms 8384 KB Output is correct
24 Correct 32 ms 1452 KB Output is correct
25 Correct 82 ms 3924 KB Output is correct
26 Correct 17 ms 1144 KB Output is correct
27 Correct 118 ms 8384 KB Output is correct
28 Correct 118 ms 8524 KB Output is correct
29 Correct 128 ms 8368 KB Output is correct
30 Correct 159 ms 8384 KB Output is correct
31 Correct 228 ms 8304 KB Output is correct
32 Correct 139 ms 3892 KB Output is correct
33 Correct 229 ms 9008 KB Output is correct
34 Correct 128 ms 3668 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 123 ms 8312 KB Output is correct
12 Correct 123 ms 8336 KB Output is correct
13 Correct 125 ms 6392 KB Output is correct
14 Correct 99 ms 6380 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 292 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 296 KB Output is correct
23 Correct 79 ms 4348 KB Output is correct
24 Correct 44 ms 2992 KB Output is correct
25 Correct 32 ms 2252 KB Output is correct
26 Correct 24 ms 1876 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 292 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 296 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 296 KB Output is correct
40 Correct 1 ms 292 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 5 ms 468 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 20 ms 1668 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 288 KB Output is correct
47 Correct 3 ms 340 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 60 ms 4308 KB Output is correct
52 Correct 41 ms 2324 KB Output is correct
53 Correct 39 ms 2300 KB Output is correct
54 Correct 32 ms 1452 KB Output is correct
55 Correct 82 ms 3924 KB Output is correct
56 Correct 17 ms 1144 KB Output is correct
57 Correct 118 ms 8384 KB Output is correct
58 Correct 118 ms 8524 KB Output is correct
59 Correct 128 ms 8368 KB Output is correct
60 Correct 159 ms 8384 KB Output is correct
61 Correct 228 ms 8304 KB Output is correct
62 Correct 139 ms 3892 KB Output is correct
63 Correct 229 ms 9008 KB Output is correct
64 Correct 128 ms 3668 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 55 ms 3684 KB Output is correct
67 Correct 123 ms 9000 KB Output is correct
68 Correct 126 ms 8384 KB Output is correct
69 Correct 24 ms 1108 KB Output is correct
70 Correct 7 ms 468 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 35 ms 1452 KB Output is correct
73 Correct 9 ms 468 KB Output is correct
74 Correct 2 ms 304 KB Output is correct
75 Correct 132 ms 8380 KB Output is correct
76 Correct 132 ms 8420 KB Output is correct
77 Correct 158 ms 8484 KB Output is correct
78 Correct 179 ms 8480 KB Output is correct
79 Correct 229 ms 8396 KB Output is correct
80 Correct 238 ms 8420 KB Output is correct
81 Correct 221 ms 6428 KB Output is correct
82 Correct 170 ms 6416 KB Output is correct