Submission #486786

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
486786	2021-11-12T19:34:27 Z	NintsiChkhaidze	Palindrome-Free Numbers (BOI13_numbers)	C++14	56.6667 / 100	1000 ms	324 KB

numbers

#include <bits/stdc++.h>
#define pb push_back
#define s second
#define f first
#define ll long long
#define int ll
using namespace std;

int p[25];
signed main (){
    ios_base::sync_with_stdio(NULL),cin.tie(NULL),cout.tie(NULL);
    
    p[0] = 1;
    for (int i = 1; i <= 18; i++)
        p[i] = p[i - 1]*10;
        
    int a,b,ans=0;
    cin>>a>>b;

    for (int i = a; i <= b; ){
        int q=1,cnt=0,x=0;
        for (int j = 18; j >= 0; j--){
            if (i < p[j]) continue;
            cnt++;
            int y = (i/p[j])%10;
            x = x*10 + y;
            // if (i== 199)
                // cout<<cnt<<" "<<y<<" "<<p[j]<<" "<<p[j + 1]<<" "<<p[j + 2]<<endl;
                
            if ((cnt > 1 && y == (i/p[j + 1])%10) || (cnt > 2 && y == (i/p[j + 2])%10)){
                // cout<<"num = "<<i<<" "<<cnt<<" "<<j<<endl;
                q=0;
                x++;
                x *= p[j];
                // cout<<"num = "<<i<<" "<<x<<endl;
                // exit(0);
                break;
            }
            
        }
        
        if (q) ans++,i++;
        else i = x;
    }
    cout<<ans;
}

Subtask #1

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	19 ms	204 KB	Output is correct
4	Correct	5 ms	308 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	312 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	5 ms	204 KB	Output is correct
15	Correct	5 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	2 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	19 ms	312 KB	Output is correct
20	Correct	5 ms	204 KB	Output is correct

Subtask #2

31.6666666667 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	370 ms	288 KB	Output is correct
2	Execution timed out	1093 ms	204 KB	Time limit exceeded
3	Execution timed out	1093 ms	204 KB	Time limit exceeded
4	Execution timed out	1084 ms	204 KB	Time limit exceeded
5	Execution timed out	1091 ms	204 KB	Time limit exceeded
6	Execution timed out	1085 ms	204 KB	Time limit exceeded
7	Correct	145 ms	204 KB	Output is correct
8	Correct	104 ms	292 KB	Output is correct
9	Correct	186 ms	292 KB	Output is correct
10	Correct	264 ms	324 KB	Output is correct
11	Correct	380 ms	292 KB	Output is correct
12	Execution timed out	1086 ms	204 KB	Time limit exceeded
13	Correct	416 ms	292 KB	Output is correct
14	Execution timed out	1076 ms	204 KB	Time limit exceeded
15	Execution timed out	1077 ms	204 KB	Time limit exceeded
16	Execution timed out	1070 ms	204 KB	Time limit exceeded
17	Correct	0 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	Execution timed out	1089 ms	204 KB	Time limit exceeded
22	Correct	0 ms	204 KB	Output is correct
23	Execution timed out	1089 ms	204 KB	Time limit exceeded
24	Correct	0 ms	204 KB	Output is correct
25	Execution timed out	1088 ms	204 KB	Time limit exceeded
26	Execution timed out	1091 ms	204 KB	Time limit exceeded
27	Execution timed out	1093 ms	204 KB	Time limit exceeded
28	Execution timed out	1086 ms	204 KB	Time limit exceeded
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Execution timed out	1088 ms	204 KB	Time limit exceeded
32	Correct	0 ms	204 KB	Output is correct
33	Execution timed out	1092 ms	204 KB	Time limit exceeded
34	Correct	0 ms	204 KB	Output is correct
35	Execution timed out	1093 ms	204 KB	Time limit exceeded
36	Execution timed out	1096 ms	204 KB	Time limit exceeded
37	Execution timed out	1095 ms	204 KB	Time limit exceeded
38	Execution timed out	1091 ms	204 KB	Time limit exceeded
39	Execution timed out	1093 ms	204 KB	Time limit exceeded
40	Correct	0 ms	312 KB	Output is correct
41	Execution timed out	1089 ms	204 KB	Time limit exceeded
42	Correct	0 ms	204 KB	Output is correct
43	Execution timed out	1081 ms	204 KB	Time limit exceeded
44	Execution timed out	1089 ms	204 KB	Time limit exceeded
45	Execution timed out	1085 ms	204 KB	Time limit exceeded