답안 #817756

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
817756 2023-08-09T15:44:24 Z vjudge1 Palindrome-Free Numbers (BOI13_numbers) C++17
42.5 / 100
1000 ms 396 KB
#include <bits/stdc++.h>
using namespace std;

int v[20];
int64_t f[20][2][2][11][11];

int64_t DP(int i, int lo, int iz, int prv, int prv2) {
        if (i == 20) return 1;
        int64_t& res = f[i][lo][iz][prv + 1][prv2 + 1];
        if (lo && res != -1) return res;
        int lim = lo ? 9 : v[i];
        int64_t ans = 0;
        for (int d = 0; d <= lim; d++) {
                int niz = iz || (d > 0);
                if (d != prv2 && d != prv) ans += DP(i + 1, lo || (d < lim), niz, niz ? d : -1, prv);
        }
        if (!lo) res = ans;
        return ans;
}

int64_t solve(int64_t x) {
        for (int i = 19; i >= 0; i--) v[i] = x % 10, x /= 10;
        return DP(0, 0, 0, -1, -1);
}

int32_t main() {
        ios_base::sync_with_stdio(0);
        cin.tie(0);
        int64_t a, b;
        cin >> a >> b;
        a--;
        memset(f, -1, sizeof f);
        cout << solve(b) - solve(a);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 0 ms 324 KB Output is correct
3 Execution timed out 1089 ms 324 KB Time limit exceeded
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 372 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 320 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 3 ms 324 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Execution timed out 1081 ms 328 KB Time limit exceeded
20 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 294 ms 372 KB Output is correct
2 Execution timed out 1079 ms 340 KB Time limit exceeded
3 Execution timed out 1084 ms 340 KB Time limit exceeded
4 Execution timed out 1079 ms 340 KB Time limit exceeded
5 Correct 92 ms 324 KB Output is correct
6 Correct 355 ms 384 KB Output is correct
7 Correct 6 ms 340 KB Output is correct
8 Correct 4 ms 320 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 9 ms 324 KB Output is correct
11 Correct 262 ms 376 KB Output is correct
12 Correct 57 ms 376 KB Output is correct
13 Correct 15 ms 396 KB Output is correct
14 Correct 92 ms 320 KB Output is correct
15 Correct 106 ms 380 KB Output is correct
16 Execution timed out 1071 ms 340 KB Time limit exceeded
17 Execution timed out 1082 ms 340 KB Time limit exceeded
18 Execution timed out 1074 ms 340 KB Time limit exceeded
19 Execution timed out 1079 ms 324 KB Time limit exceeded
20 Execution timed out 1070 ms 340 KB Time limit exceeded
21 Execution timed out 1076 ms 340 KB Time limit exceeded
22 Execution timed out 1079 ms 340 KB Time limit exceeded
23 Execution timed out 1077 ms 340 KB Time limit exceeded
24 Execution timed out 1073 ms 340 KB Time limit exceeded
25 Execution timed out 1075 ms 340 KB Time limit exceeded
26 Execution timed out 1063 ms 340 KB Time limit exceeded
27 Execution timed out 1084 ms 340 KB Time limit exceeded
28 Execution timed out 1073 ms 340 KB Time limit exceeded
29 Execution timed out 1083 ms 340 KB Time limit exceeded
30 Execution timed out 1075 ms 340 KB Time limit exceeded
31 Execution timed out 1069 ms 340 KB Time limit exceeded
32 Execution timed out 1033 ms 340 KB Time limit exceeded
33 Execution timed out 1081 ms 340 KB Time limit exceeded
34 Execution timed out 1076 ms 340 KB Time limit exceeded
35 Execution timed out 1092 ms 340 KB Time limit exceeded
36 Execution timed out 1077 ms 340 KB Time limit exceeded
37 Execution timed out 1050 ms 340 KB Time limit exceeded
38 Execution timed out 1088 ms 340 KB Time limit exceeded
39 Execution timed out 1069 ms 340 KB Time limit exceeded
40 Execution timed out 1063 ms 340 KB Time limit exceeded
41 Execution timed out 1081 ms 340 KB Time limit exceeded
42 Execution timed out 1078 ms 340 KB Time limit exceeded
43 Execution timed out 1070 ms 332 KB Time limit exceeded
44 Execution timed out 1069 ms 340 KB Time limit exceeded
45 Execution timed out 1077 ms 340 KB Time limit exceeded