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답안 #602301

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
602301 2022-07-22T20:56:31 Z IvanJ Self Study (JOI22_ho_t2) C++17
100 / 100
 253 ms 11436 KB 
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

const int maxn = 3e5 + 5;

int n;
ll m;
ll A[maxn], B[maxn];

int check(ll x) {
	ll ret = 0;
	for(int i = 0;i < n;i++) {
		ll a = max(A[i], B[i]) * m;
		if(x > a) ret -= (x - a + B[i] - 1) / B[i];
		else ret += (a - x) / max(A[i], B[i]);
		if(-ret > n * m) return 0;
	}
	return (ret >= 0);
}

int main() {
	scanf("%d%lld", &n, &m);
	for(int i = 0;i < n;i++) scanf("%lld", A + i);
	for(int i = 0;i < n;i++) scanf("%lld", B + i);
	
	ll lo = 0, hi = 1e18, ans = -1;
	while(lo <= hi) {
		ll mid = (lo + hi) / 2;
		if(check(mid)) 
			ans = mid, lo = mid + 1;
		else hi = mid - 1;
	}
	printf("%lld\n", ans);
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |  scanf("%d%lld", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~
Main.cpp:26:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |  for(int i = 0;i < n;i++) scanf("%lld", A + i);
      |                           ~~~~~^~~~~~~~~~~~~~~
Main.cpp:27:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |  for(int i = 0;i < n;i++) scanf("%lld", B + i);
      |                           ~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 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 0 ms 212 KB Output is correct
7 Correct 0 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 2 ms 340 KB Output is correct
11 Correct 104 ms 4976 KB Output is correct
12 Correct 109 ms 4984 KB Output is correct
13 Correct 94 ms 4968 KB Output is correct
14 Correct 72 ms 4972 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 41 ms 4940 KB Output is correct
17 Correct 103 ms 4976 KB Output is correct
18 Correct 106 ms 4884 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 41 ms 4940 KB Output is correct
3 Correct 103 ms 4976 KB Output is correct
4 Correct 106 ms 4884 KB Output is correct
5 Correct 0 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 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 48 ms 2640 KB Output is correct
14 Correct 33 ms 1896 KB Output is correct
15 Correct 25 ms 1568 KB Output is correct
16 Correct 21 ms 1364 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 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 2 ms 432 KB Output is correct
23 Correct 2 ms 468 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 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 0 ms 212 KB Output is correct
7 Correct 0 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 2 ms 340 KB Output is correct
11 Correct 104 ms 4976 KB Output is correct
12 Correct 109 ms 4984 KB Output is correct
13 Correct 94 ms 4968 KB Output is correct
14 Correct 72 ms 4972 KB Output is correct
15 Correct 0 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 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 48 ms 2640 KB Output is correct
24 Correct 33 ms 1896 KB Output is correct
25 Correct 25 ms 1568 KB Output is correct
26 Correct 21 ms 1364 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 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 0 ms 212 KB Output is correct
32 Correct 2 ms 432 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 41 ms 4940 KB Output is correct
36 Correct 103 ms 4976 KB Output is correct
37 Correct 106 ms 4884 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 308 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 308 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 2 ms 448 KB Output is correct
46 Correct 4 ms 596 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 20 ms 2004 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 1 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 67 ms 5452 KB Output is correct
56 Correct 33 ms 3084 KB Output is correct
57 Correct 27 ms 3132 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 48 ms 2640 KB Output is correct
10 Correct 33 ms 1896 KB Output is correct
11 Correct 25 ms 1568 KB Output is correct
12 Correct 21 ms 1364 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 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 0 ms 212 KB Output is correct
18 Correct 2 ms 432 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 41 ms 4940 KB Output is correct
22 Correct 103 ms 4976 KB Output is correct
23 Correct 106 ms 4884 KB Output is correct
24 Correct 39 ms 1816 KB Output is correct
25 Correct 73 ms 5036 KB Output is correct
26 Correct 13 ms 1404 KB Output is correct
27 Correct 110 ms 10704 KB Output is correct
28 Correct 110 ms 10700 KB Output is correct
29 Correct 113 ms 10784 KB Output is correct
30 Correct 146 ms 10796 KB Output is correct
31 Correct 225 ms 10780 KB Output is correct
32 Correct 103 ms 6156 KB Output is correct
33 Correct 169 ms 11436 KB Output is correct
34 Correct 111 ms 6152 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 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 0 ms 212 KB Output is correct
7 Correct 0 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 2 ms 340 KB Output is correct
11 Correct 104 ms 4976 KB Output is correct
12 Correct 109 ms 4984 KB Output is correct
13 Correct 94 ms 4968 KB Output is correct
14 Correct 72 ms 4972 KB Output is correct
15 Correct 0 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 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 48 ms 2640 KB Output is correct
24 Correct 33 ms 1896 KB Output is correct
25 Correct 25 ms 1568 KB Output is correct
26 Correct 21 ms 1364 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 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 0 ms 212 KB Output is correct
32 Correct 2 ms 432 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 308 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 2 ms 448 KB Output is correct
42 Correct 4 ms 596 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 20 ms 2004 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 1 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 67 ms 5452 KB Output is correct
52 Correct 33 ms 3084 KB Output is correct
53 Correct 27 ms 3132 KB Output is correct
54 Correct 39 ms 1816 KB Output is correct
55 Correct 73 ms 5036 KB Output is correct
56 Correct 13 ms 1404 KB Output is correct
57 Correct 110 ms 10704 KB Output is correct
58 Correct 110 ms 10700 KB Output is correct
59 Correct 113 ms 10784 KB Output is correct
60 Correct 146 ms 10796 KB Output is correct
61 Correct 225 ms 10780 KB Output is correct
62 Correct 103 ms 6156 KB Output is correct
63 Correct 169 ms 11436 KB Output is correct
64 Correct 111 ms 6152 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 41 ms 4940 KB Output is correct
67 Correct 103 ms 4976 KB Output is correct
68 Correct 106 ms 4884 KB Output is correct
69 Correct 21 ms 1352 KB Output is correct
70 Correct 6 ms 468 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 33 ms 1744 KB Output is correct
73 Correct 9 ms 596 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 106 ms 10788 KB Output is correct
76 Correct 124 ms 10676 KB Output is correct
77 Correct 158 ms 10700 KB Output is correct
78 Correct 166 ms 10780 KB Output is correct
79 Correct 211 ms 10828 KB Output is correct
80 Correct 253 ms 10728 KB Output is correct
81 Correct 157 ms 8900 KB Output is correct
82 Correct 152 ms 8800 KB Output is correct