QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #244935 | #7658. German Conference for Public Counting | PetroTarnavskyi# | AC ✓ | 1ms | 3588kb | C++20 | 805b | 2023-11-09 17:12:54 | 2023-11-09 17:12:55 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, b, a) for(int i = (b) - 1; i >= (a); i--)
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout << fixed << setprecision(15);
int n;
cin >> n;
int len = 0;
LL pw = 1;
while(pw <= n)
{
len++;
pw *= 10;
}
pw /= 10;
int x = (n / pw);
int ans = 10 * (len - 1) + x - 1;
if((10 * pw - 1) * x / 9 <= n)
ans++;
if(len == 1)
ans++;
cout << ans << endl;
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3324kb
input:
5
output:
6
result:
ok single line: '6'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3424kb
input:
20
output:
11
result:
ok single line: '11'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3408kb
input:
44
output:
14
result:
ok single line: '14'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3388kb
input:
271828182
output:
82
result:
ok single line: '82'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
314159265
output:
82
result:
ok single line: '82'
Test #6:
score: 0
Accepted
time: 1ms
memory: 3340kb
input:
1
output:
2
result:
ok single line: '2'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3348kb
input:
2
output:
3
result:
ok single line: '3'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3424kb
input:
3
output:
4
result:
ok single line: '4'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3452kb
input:
4
output:
5
result:
ok single line: '5'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
6
output:
7
result:
ok single line: '7'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3524kb
input:
7
output:
8
result:
ok single line: '8'
Test #12:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
8
output:
9
result:
ok single line: '9'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3412kb
input:
9
output:
10
result:
ok single line: '10'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3400kb
input:
10
output:
10
result:
ok single line: '10'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3392kb
input:
11
output:
11
result:
ok single line: '11'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3404kb
input:
12
output:
11
result:
ok single line: '11'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
13
output:
11
result:
ok single line: '11'
Test #18:
score: 0
Accepted
time: 0ms
memory: 3384kb
input:
14
output:
11
result:
ok single line: '11'
Test #19:
score: 0
Accepted
time: 1ms
memory: 3400kb
input:
15
output:
11
result:
ok single line: '11'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3324kb
input:
16
output:
11
result:
ok single line: '11'
Test #21:
score: 0
Accepted
time: 1ms
memory: 3412kb
input:
17
output:
11
result:
ok single line: '11'
Test #22:
score: 0
Accepted
time: 0ms
memory: 3420kb
input:
18
output:
11
result:
ok single line: '11'
Test #23:
score: 0
Accepted
time: 1ms
memory: 3324kb
input:
19
output:
11
result:
ok single line: '11'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
21
output:
11
result:
ok single line: '11'
Test #25:
score: 0
Accepted
time: 0ms
memory: 3408kb
input:
22
output:
12
result:
ok single line: '12'
Test #26:
score: 0
Accepted
time: 0ms
memory: 3392kb
input:
23
output:
12
result:
ok single line: '12'
Test #27:
score: 0
Accepted
time: 1ms
memory: 3416kb
input:
24
output:
12
result:
ok single line: '12'
Test #28:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
25
output:
12
result:
ok single line: '12'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3420kb
input:
999999998
output:
88
result:
ok single line: '88'
Test #30:
score: 0
Accepted
time: 0ms
memory: 3388kb
input:
999999999
output:
89
result:
ok single line: '89'
Test #31:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
1000000000
output:
90
result:
ok single line: '90'
Test #32:
score: 0
Accepted
time: 1ms
memory: 3568kb
input:
291304289
output:
82
result:
ok single line: '82'
Test #33:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
73449290
output:
76
result:
ok single line: '76'
Test #34:
score: 0
Accepted
time: 1ms
memory: 3428kb
input:
3158503
output:
62
result:
ok single line: '62'
Test #35:
score: 0
Accepted
time: 0ms
memory: 3420kb
input:
307868725
output:
82
result:
ok single line: '82'
Test #36:
score: 0
Accepted
time: 0ms
memory: 3420kb
input:
59620920
output:
75
result:
ok single line: '75'
Test #37:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
266509490
output:
82
result:
ok single line: '82'
Test #38:
score: 0
Accepted
time: 0ms
memory: 3416kb
input:
457691930
output:
84
result:
ok single line: '84'
Test #39:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
320759563
output:
82
result:
ok single line: '82'
Test #40:
score: 0
Accepted
time: 1ms
memory: 3384kb
input:
863610963
output:
87
result:
ok single line: '87'
Test #41:
score: 0
Accepted
time: 1ms
memory: 3528kb
input:
393478602
output:
83
result:
ok single line: '83'
Test #42:
score: 0
Accepted
time: 1ms
memory: 3412kb
input:
432051206
output:
83
result:
ok single line: '83'
Test #43:
score: 0
Accepted
time: 0ms
memory: 3408kb
input:
508538239
output:
84
result:
ok single line: '84'
Test #44:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
330284500
output:
82
result:
ok single line: '82'
Test #45:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
539687131
output:
84
result:
ok single line: '84'
Test #46:
score: 0
Accepted
time: 0ms
memory: 3324kb
input:
216019046
output:
81
result:
ok single line: '81'
Test #47:
score: 0
Accepted
time: 0ms
memory: 3404kb
input:
895505788
output:
88
result:
ok single line: '88'
Test #48:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
283704301
output:
82
result:
ok single line: '82'
Test #49:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
160177746
output:
81
result:
ok single line: '81'
Test #50:
score: 0
Accepted
time: 0ms
memory: 3324kb
input:
835665161
output:
87
result:
ok single line: '87'
Test #51:
score: 0
Accepted
time: 0ms
memory: 3400kb
input:
818890757
output:
87
result:
ok single line: '87'
Test #52:
score: 0
Accepted
time: 1ms
memory: 3400kb
input:
888888887
output:
87
result:
ok single line: '87'
Test #53:
score: 0
Accepted
time: 1ms
memory: 3392kb
input:
888888888
output:
88
result:
ok single line: '88'
Test #54:
score: 0
Accepted
time: 1ms
memory: 3524kb
input:
888888889
output:
88
result:
ok single line: '88'
Test #55:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
55555556
output:
75
result:
ok single line: '75'
Test #56:
score: 0
Accepted
time: 0ms
memory: 3380kb
input:
444444
output:
54
result:
ok single line: '54'
Test #57:
score: 0
Accepted
time: 1ms
memory: 3588kb
input:
999
output:
29
result:
ok single line: '29'
Test #58:
score: 0
Accepted
time: 0ms
memory: 3456kb
input:
100001
output:
50
result:
ok single line: '50'
Test #59:
score: 0
Accepted
time: 0ms
memory: 3320kb
input:
333333333
output:
83
result:
ok single line: '83'
Test #60:
score: 0
Accepted
time: 0ms
memory: 3408kb
input:
22222221
output:
71
result:
ok single line: '71'
Test #61:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
111111110
output:
80
result:
ok single line: '80'
Test #62:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
6666665
output:
65
result:
ok single line: '65'