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답안 #526869

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
526869 2022-02-16T12:46:27 Z eecs Self Study (JOI22_ho_t2) C++17
100 / 100
 297 ms 9564 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int maxn = 300010;
int n, m;
ll a[maxn], b[maxn];

int main() {
    scanf("%d %d", &n, &m);
    for (int i = 1; i <= n; i++) {
        scanf("%lld", &a[i]);
    }
    for (int i = 1; i <= n; i++) {
        scanf("%lld", &b[i]);
    }
    auto chk = [&](ll lim) {
        __int128 sum = 0;
        for (int i = 1; i <= n; i++) {
            ll rem = lim;
            if (a[i] > b[i]) {
                ll t = min(1LL * m, (lim + a[i] - 1) / a[i]);
                sum += t, rem -= t * a[i];
            }
            if (rem >= 0) sum += (rem + b[i] - 1) / b[i];
        }
        return sum <= 1LL * n * m;
    };
    ll l = 0, r = 1e18, ans;
    while (l <= r) {
        ll mid = (l + r) / 2;
        chk(mid) ? l = (ans = mid) + 1 : r = mid - 1;
    }
    printf("%lld\n", ans);
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%lld", &a[i]);
      |         ~~~~~^~~~~~~~~~~~~~~
Main.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf("%lld", &b[i]);
      |         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 220 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 5 ms 460 KB Output is correct
11 Correct 215 ms 9424 KB Output is correct
12 Correct 216 ms 9348 KB Output is correct
13 Correct 194 ms 6540 KB Output is correct
14 Correct 297 ms 8632 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 213 ms 5096 KB Output is correct
17 Correct 160 ms 5108 KB Output is correct
18 Correct 162 ms 5060 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 213 ms 5096 KB Output is correct
3 Correct 160 ms 5108 KB Output is correct
4 Correct 162 ms 5060 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 83 ms 2756 KB Output is correct
14 Correct 55 ms 1976 KB Output is correct
15 Correct 41 ms 1608 KB Output is correct
16 Correct 35 ms 1356 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 5 ms 336 KB Output is correct
23 Correct 4 ms 456 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 220 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 5 ms 460 KB Output is correct
11 Correct 215 ms 9424 KB Output is correct
12 Correct 216 ms 9348 KB Output is correct
13 Correct 194 ms 6540 KB Output is correct
14 Correct 297 ms 8632 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 83 ms 2756 KB Output is correct
24 Correct 55 ms 1976 KB Output is correct
25 Correct 41 ms 1608 KB Output is correct
26 Correct 35 ms 1356 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 5 ms 336 KB Output is correct
33 Correct 4 ms 456 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 213 ms 5096 KB Output is correct
36 Correct 160 ms 5108 KB Output is correct
37 Correct 162 ms 5060 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 1 ms 288 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 5 ms 568 KB Output is correct
46 Correct 7 ms 460 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 38 ms 1596 KB Output is correct
49 Correct 0 ms 304 KB Output is correct
50 Correct 1 ms 208 KB Output is correct
51 Correct 4 ms 464 KB Output is correct
52 Correct 1 ms 304 KB Output is correct
53 Correct 0 ms 208 KB Output is correct
54 Correct 1 ms 208 KB Output is correct
55 Correct 103 ms 4208 KB Output is correct
56 Correct 54 ms 2412 KB Output is correct
57 Correct 100 ms 2528 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 83 ms 2756 KB Output is correct
10 Correct 55 ms 1976 KB Output is correct
11 Correct 41 ms 1608 KB Output is correct
12 Correct 35 ms 1356 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 5 ms 336 KB Output is correct
19 Correct 4 ms 456 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 213 ms 5096 KB Output is correct
22 Correct 160 ms 5108 KB Output is correct
23 Correct 162 ms 5060 KB Output is correct
24 Correct 34 ms 1128 KB Output is correct
25 Correct 99 ms 2456 KB Output is correct
26 Correct 18 ms 836 KB Output is correct
27 Correct 166 ms 5096 KB Output is correct
28 Correct 180 ms 5084 KB Output is correct
29 Correct 170 ms 5040 KB Output is correct
30 Correct 194 ms 5180 KB Output is correct
31 Correct 217 ms 5036 KB Output is correct
32 Correct 233 ms 5104 KB Output is correct
33 Correct 246 ms 5144 KB Output is correct
34 Correct 234 ms 5032 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 220 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 5 ms 460 KB Output is correct
11 Correct 215 ms 9424 KB Output is correct
12 Correct 216 ms 9348 KB Output is correct
13 Correct 194 ms 6540 KB Output is correct
14 Correct 297 ms 8632 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 83 ms 2756 KB Output is correct
24 Correct 55 ms 1976 KB Output is correct
25 Correct 41 ms 1608 KB Output is correct
26 Correct 35 ms 1356 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 5 ms 336 KB Output is correct
33 Correct 4 ms 456 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 5 ms 568 KB Output is correct
42 Correct 7 ms 460 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 38 ms 1596 KB Output is correct
45 Correct 0 ms 304 KB Output is correct
46 Correct 1 ms 208 KB Output is correct
47 Correct 4 ms 464 KB Output is correct
48 Correct 1 ms 304 KB Output is correct
49 Correct 0 ms 208 KB Output is correct
50 Correct 1 ms 208 KB Output is correct
51 Correct 103 ms 4208 KB Output is correct
52 Correct 54 ms 2412 KB Output is correct
53 Correct 100 ms 2528 KB Output is correct
54 Correct 34 ms 1128 KB Output is correct
55 Correct 99 ms 2456 KB Output is correct
56 Correct 18 ms 836 KB Output is correct
57 Correct 166 ms 5096 KB Output is correct
58 Correct 180 ms 5084 KB Output is correct
59 Correct 170 ms 5040 KB Output is correct
60 Correct 194 ms 5180 KB Output is correct
61 Correct 217 ms 5036 KB Output is correct
62 Correct 233 ms 5104 KB Output is correct
63 Correct 246 ms 5144 KB Output is correct
64 Correct 234 ms 5032 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 213 ms 5096 KB Output is correct
67 Correct 160 ms 5108 KB Output is correct
68 Correct 162 ms 5060 KB Output is correct
69 Correct 27 ms 948 KB Output is correct
70 Correct 8 ms 424 KB Output is correct
71 Correct 0 ms 204 KB Output is correct
72 Correct 37 ms 1120 KB Output is correct
73 Correct 9 ms 424 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 245 ms 6988 KB Output is correct
76 Correct 213 ms 6752 KB Output is correct
77 Correct 227 ms 6140 KB Output is correct
78 Correct 227 ms 5132 KB Output is correct
79 Correct 240 ms 6684 KB Output is correct
80 Correct 261 ms 9564 KB Output is correct
81 Correct 220 ms 6488 KB Output is correct
82 Correct 253 ms 6816 KB Output is correct