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Submission #102326

# Submission time Handle Problem Language Result Execution time Memory
102326 2019-03-24T10:45:03 Z MoNsTeR_CuBe Palindrome-Free Numbers (BOI13_numbers) C++17
20.8333 / 100
 1000 ms 504 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

bool check(string a){
    for(int i = 0; i < a.size()-1; i++){
        if(a[i] == a[i+1]) return false;
    }
    for(int i = 0; i < a.size()-2; i++){
        if(a[i] == a[i+2]) return false;
    }
    return true;
}

string toString(int a){
    string s = "";
    while(a){
        s = ((char)(a%10+'0'))+s;
        a/=10;
    }
    return s;
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int a;
    int b;
    cin >> a;
    cin >> b;
    int tot = 0;
    while(a <= b){
        if(check(toString(a))) tot++;
        a++;
    }
    cout << tot << endl;
}

Compilation message

numbers.cpp: In function 'bool check(std::__cxx11::string)':
numbers.cpp:7:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < a.size()-1; i++){
                    ~~^~~~~~~~~~~~
numbers.cpp:10:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < a.size()-2; i++){
                    ~~^~~~~~~~~~~~

Subtask #1
12.5 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Incorrect 2 ms 384 KB Output isn't correct
3 Correct 28 ms 384 KB Output is correct
4 Incorrect 10 ms 384 KB Output isn't correct
5 Incorrect 2 ms 384 KB Output isn't correct
6 Incorrect 2 ms 384 KB Output isn't correct
7 Incorrect 2 ms 384 KB Output isn't correct
8 Incorrect 2 ms 384 KB Output isn't correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Incorrect 14 ms 384 KB Output isn't correct
15 Incorrect 10 ms 384 KB Output isn't correct
16 Correct 2 ms 308 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Incorrect 3 ms 356 KB Output isn't correct
19 Correct 33 ms 408 KB Output is correct
20 Correct 12 ms 384 KB Output is correct

Subtask #2
8.33333333333 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 991 ms 376 KB Output is correct
2 Execution timed out 1084 ms 256 KB Time limit exceeded
3 Execution timed out 1083 ms 384 KB Time limit exceeded
4 Execution timed out 1083 ms 384 KB Time limit exceeded
5 Execution timed out 1065 ms 384 KB Time limit exceeded
6 Execution timed out 1079 ms 256 KB Time limit exceeded
7 Correct 396 ms 384 KB Output is correct
8 Correct 258 ms 376 KB Output is correct
9 Correct 516 ms 376 KB Output is correct
10 Correct 660 ms 376 KB Output is correct
11 Execution timed out 1062 ms 128 KB Time limit exceeded
12 Execution timed out 1076 ms 256 KB Time limit exceeded
13 Execution timed out 1047 ms 504 KB Time limit exceeded
14 Execution timed out 1084 ms 384 KB Time limit exceeded
15 Execution timed out 1074 ms 384 KB Time limit exceeded
16 Execution timed out 1082 ms 384 KB Time limit exceeded
17 Execution timed out 1083 ms 384 KB Time limit exceeded
18 Execution timed out 1070 ms 256 KB Time limit exceeded
19 Execution timed out 1071 ms 384 KB Time limit exceeded
20 Execution timed out 1081 ms 256 KB Time limit exceeded
21 Execution timed out 1081 ms 256 KB Time limit exceeded
22 Execution timed out 1083 ms 256 KB Time limit exceeded
23 Execution timed out 1090 ms 384 KB Time limit exceeded
24 Execution timed out 1077 ms 384 KB Time limit exceeded
25 Execution timed out 1082 ms 256 KB Time limit exceeded
26 Execution timed out 1063 ms 256 KB Time limit exceeded
27 Execution timed out 1073 ms 256 KB Time limit exceeded
28 Execution timed out 1069 ms 256 KB Time limit exceeded
29 Execution timed out 1079 ms 384 KB Time limit exceeded
30 Execution timed out 1084 ms 384 KB Time limit exceeded
31 Execution timed out 1086 ms 384 KB Time limit exceeded
32 Execution timed out 1078 ms 256 KB Time limit exceeded
33 Execution timed out 1090 ms 384 KB Time limit exceeded
34 Execution timed out 1090 ms 384 KB Time limit exceeded
35 Execution timed out 1083 ms 256 KB Time limit exceeded
36 Execution timed out 1084 ms 384 KB Time limit exceeded
37 Execution timed out 1070 ms 384 KB Time limit exceeded
38 Execution timed out 1083 ms 384 KB Time limit exceeded
39 Execution timed out 1075 ms 384 KB Time limit exceeded
40 Execution timed out 1085 ms 384 KB Time limit exceeded
41 Execution timed out 1076 ms 256 KB Time limit exceeded
42 Execution timed out 1090 ms 384 KB Time limit exceeded
43 Execution timed out 1087 ms 256 KB Time limit exceeded
44 Execution timed out 1086 ms 384 KB Time limit exceeded
45 Execution timed out 1084 ms 256 KB Time limit exceeded