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답안 #528057

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
528057 2022-02-19T05:14:04 Z amukkalir Self Study (JOI22_ho_t2) C++17
100 / 100
 297 ms 9604 KB 
#include <bits/stdc++.h> 
using namespace std; 
typedef long long ll; 

#define prn printf
#define scn scanf

const int nax = 3e5; 
ll n, m; 
ll a[nax+5], b[nax+5]; 

unsigned long long updiv(ll a, ll b) {
    ll ret = a/b; 
    if(ret*b < a) ret++; 
    return ret; 
}

bool ok (ll x) {
    unsigned long long cnt = 0;
    for(int i=0; i<n; i++) {
        ll rem = x; 
        ll cur = 0; 
        if(a[i] > b[i]) {
            cur += min((unsigned long long)m,updiv(rem, a[i])); 
            rem -= cur*a[i]; 
        }
        if(rem>0) cur += updiv(rem, b[i]); 
        cnt += (unsigned long long) cur; 
        if(cnt > n*m) return false; 
    }
    return cnt <= n*m; 
}

signed main () {
    scn("%d%d", &n,&m); 
    for(int i=0; i<n; i++) scn("%lld", &a[i]); 
    for(int i=0; i<n; i++) scn("%lld", &b[i]); 
    
    ll ans = 0; 
    ll lo = 0, hi = 1e18; 
    while(lo <= hi) {
        ll mid = (lo+hi)>>1; 
        if(ok(mid)) {
            ans = mid; 
            lo = mid+1; 
        } else hi = mid-1; 
    }

    prn("%lld", ans); 
}

/*
dari 3e5 slot 
buat setiap mapel mau study berapa kali 
*/

Compilation message

Main.cpp: In function 'bool ok(ll)':
Main.cpp:29:16: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'll' {aka 'long long int'} [-Wsign-compare]
   29 |         if(cnt > n*m) return false;
      |            ~~~~^~~~~
Main.cpp:31:16: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'll' {aka 'long long int'} [-Wsign-compare]
   31 |     return cnt <= n*m;
      |            ~~~~^~~~~~
Main.cpp: In function 'int main()':
Main.cpp:35:11: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long int*'} [-Wformat=]
   35 |     scn("%d%d", &n,&m);
      |          ~^     ~~
      |           |     |
      |           int*  ll* {aka long long int*}
      |          %lld
Main.cpp:35:13: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll*' {aka 'long long int*'} [-Wformat=]
   35 |     scn("%d%d", &n,&m);
      |            ~^      ~~
      |             |      |
      |             int*   ll* {aka long long int*}
      |            %lld
Main.cpp:35:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |     scn("%d%d", &n,&m);
      |        ^
Main.cpp:36:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |     for(int i=0; i<n; i++) scn("%lld", &a[i]);
      |                               ^
Main.cpp:37:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |     for(int i=0; i<n; i++) scn("%lld", &b[i]);
      |                               ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 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 1 ms 204 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 134 ms 6252 KB Output is correct
12 Correct 114 ms 6272 KB Output is correct
13 Correct 98 ms 6376 KB Output is correct
14 Correct 105 ms 6288 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 73 ms 4900 KB Output is correct
17 Correct 97 ms 4964 KB Output is correct
18 Correct 101 ms 4968 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 73 ms 4900 KB Output is correct
3 Correct 97 ms 4964 KB Output is correct
4 Correct 101 ms 4968 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 204 KB Output is correct
8 Correct 1 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 1 ms 204 KB Output is correct
13 Correct 64 ms 2576 KB Output is correct
14 Correct 39 ms 1740 KB Output is correct
15 Correct 31 ms 1388 KB Output is correct
16 Correct 22 ms 1148 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 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 1 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 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 1 ms 204 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 134 ms 6252 KB Output is correct
12 Correct 114 ms 6272 KB Output is correct
13 Correct 98 ms 6376 KB Output is correct
14 Correct 105 ms 6288 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 204 KB Output is correct
18 Correct 1 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 1 ms 204 KB Output is correct
23 Correct 64 ms 2576 KB Output is correct
24 Correct 39 ms 1740 KB Output is correct
25 Correct 31 ms 1388 KB Output is correct
26 Correct 22 ms 1148 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 73 ms 4900 KB Output is correct
36 Correct 97 ms 4964 KB Output is correct
37 Correct 101 ms 4968 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 256 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 4 ms 436 KB Output is correct
46 Correct 5 ms 436 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 22 ms 1604 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 4 ms 320 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 2 ms 204 KB Output is correct
54 Correct 1 ms 300 KB Output is correct
55 Correct 64 ms 4308 KB Output is correct
56 Correct 48 ms 2420 KB Output is correct
57 Correct 31 ms 2484 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 204 KB Output is correct
4 Correct 1 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 1 ms 204 KB Output is correct
9 Correct 64 ms 2576 KB Output is correct
10 Correct 39 ms 1740 KB Output is correct
11 Correct 31 ms 1388 KB Output is correct
12 Correct 22 ms 1148 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 73 ms 4900 KB Output is correct
22 Correct 97 ms 4964 KB Output is correct
23 Correct 101 ms 4968 KB Output is correct
24 Correct 31 ms 1008 KB Output is correct
25 Correct 88 ms 2300 KB Output is correct
26 Correct 13 ms 796 KB Output is correct
27 Correct 116 ms 4980 KB Output is correct
28 Correct 107 ms 4884 KB Output is correct
29 Correct 106 ms 4904 KB Output is correct
30 Correct 135 ms 4940 KB Output is correct
31 Correct 210 ms 4968 KB Output is correct
32 Correct 159 ms 5060 KB Output is correct
33 Correct 244 ms 5012 KB Output is correct
34 Correct 135 ms 4968 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 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 1 ms 204 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 134 ms 6252 KB Output is correct
12 Correct 114 ms 6272 KB Output is correct
13 Correct 98 ms 6376 KB Output is correct
14 Correct 105 ms 6288 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 204 KB Output is correct
18 Correct 1 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 1 ms 204 KB Output is correct
23 Correct 64 ms 2576 KB Output is correct
24 Correct 39 ms 1740 KB Output is correct
25 Correct 31 ms 1388 KB Output is correct
26 Correct 22 ms 1148 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 4 ms 436 KB Output is correct
42 Correct 5 ms 436 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 22 ms 1604 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 4 ms 320 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 2 ms 204 KB Output is correct
50 Correct 1 ms 300 KB Output is correct
51 Correct 64 ms 4308 KB Output is correct
52 Correct 48 ms 2420 KB Output is correct
53 Correct 31 ms 2484 KB Output is correct
54 Correct 31 ms 1008 KB Output is correct
55 Correct 88 ms 2300 KB Output is correct
56 Correct 13 ms 796 KB Output is correct
57 Correct 116 ms 4980 KB Output is correct
58 Correct 107 ms 4884 KB Output is correct
59 Correct 106 ms 4904 KB Output is correct
60 Correct 135 ms 4940 KB Output is correct
61 Correct 210 ms 4968 KB Output is correct
62 Correct 159 ms 5060 KB Output is correct
63 Correct 244 ms 5012 KB Output is correct
64 Correct 135 ms 4968 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 73 ms 4900 KB Output is correct
67 Correct 97 ms 4964 KB Output is correct
68 Correct 101 ms 4968 KB Output is correct
69 Correct 25 ms 948 KB Output is correct
70 Correct 6 ms 428 KB Output is correct
71 Correct 0 ms 204 KB Output is correct
72 Correct 42 ms 1224 KB Output is correct
73 Correct 10 ms 436 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 124 ms 6916 KB Output is correct
76 Correct 144 ms 6752 KB Output is correct
77 Correct 161 ms 6212 KB Output is correct
78 Correct 180 ms 5188 KB Output is correct
79 Correct 236 ms 6712 KB Output is correct
80 Correct 297 ms 9604 KB Output is correct
81 Correct 236 ms 6488 KB Output is correct
82 Correct 252 ms 6744 KB Output is correct