Submission #1546680
Source Code Expand
#include <cstdio> using namespace std; static_assert(sizeof(long) >= 8, "sizeof(long) >= 8"); constexpr int mod = 998244353; int fac[20001], inv[20001]; int dp[10001]; int solve(int x, int y) { dp[0] = 1; for (int i = 1; i <= x; i++) for (int j = 1; j <= y; j++) dp[j] = (dp[j] + (long) i * dp[j - 1]) % mod; int ans = 0; for (int i = 0; i <= y; i++) ans = (ans + (long) dp[i] * inv[x + i]) % mod; return (long) ans * fac[x] % mod * fac[x] % mod * fac[y] % mod * fac[x + y] % mod; } char a[10001], b[10001]; int main() { fac[0] = 1; for (int i = 1; i <= 20000; i++) fac[i] = (long) fac[i - 1] * i % mod; inv[20000] = 292343761; for (int i = 20000; i >= 1; i--) inv[i - 1] = (long) inv[i] * i % mod; scanf("%s%s", a, b); int x = 0, y = 0; for (int i = 0; a[i]; i++) if (a[i] == '1') (b[i] == '0' ? x : y)++; printf("%d\n", solve(x, y)); }
Submission Info
Submission Time | |
---|---|
Task | E - Shuffle and Swap |
User | johnchen902 |
Language | C++14 (GCC 5.4.1) |
Score | 1700 |
Code Size | 1056 Byte |
Status | AC |
Exec Time | 78 ms |
Memory | 384 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:29:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s%s", a, b); ^
Judge Result
Set Name | Sample | Partial | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1200 / 1200 | 500 / 500 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt |
Partial | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt, subtask_1_29.txt, subtask_1_30.txt, subtask_1_31.txt, subtask_1_32.txt, subtask_1_33.txt, subtask_1_34.txt, subtask_1_35.txt, subtask_1_36.txt, subtask_1_37.txt, subtask_1_38.txt, subtask_1_39.txt, subtask_1_40.txt, subtask_1_41.txt, subtask_1_42.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt, subtask_1_29.txt, subtask_1_30.txt, subtask_1_31.txt, subtask_1_32.txt, subtask_1_33.txt, subtask_1_34.txt, subtask_1_35.txt, subtask_1_36.txt, subtask_1_37.txt, subtask_1_38.txt, subtask_1_39.txt, subtask_1_40.txt, subtask_1_41.txt, subtask_1_42.txt, subtask_2_01.txt, subtask_2_02.txt, subtask_2_03.txt, subtask_2_04.txt, subtask_2_05.txt, subtask_2_06.txt, subtask_2_07.txt, subtask_2_08.txt, subtask_2_09.txt, subtask_2_10.txt, subtask_2_11.txt, subtask_2_12.txt, subtask_2_13.txt, subtask_2_14.txt, subtask_2_15.txt, subtask_2_16.txt, subtask_2_17.txt, subtask_2_18.txt, subtask_2_19.txt, subtask_2_20.txt, subtask_2_21.txt, subtask_2_22.txt, subtask_2_23.txt, subtask_2_24.txt, subtask_2_25.txt, subtask_2_26.txt, subtask_2_27.txt, subtask_2_28.txt, subtask_2_29.txt, subtask_2_30.txt, subtask_2_31.txt, subtask_2_32.txt, subtask_2_33.txt, subtask_2_34.txt, subtask_2_35.txt, subtask_2_36.txt, subtask_2_37.txt, subtask_2_38.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 384 KB |
sample_02.txt | AC | 1 ms | 384 KB |
sample_03.txt | AC | 1 ms | 384 KB |
sample_04.txt | AC | 1 ms | 384 KB |
subtask_1_01.txt | AC | 1 ms | 384 KB |
subtask_1_02.txt | AC | 1 ms | 384 KB |
subtask_1_03.txt | AC | 1 ms | 384 KB |
subtask_1_04.txt | AC | 1 ms | 384 KB |
subtask_1_05.txt | AC | 1 ms | 384 KB |
subtask_1_06.txt | AC | 1 ms | 384 KB |
subtask_1_07.txt | AC | 1 ms | 384 KB |
subtask_1_08.txt | AC | 1 ms | 384 KB |
subtask_1_09.txt | AC | 1 ms | 384 KB |
subtask_1_10.txt | AC | 1 ms | 384 KB |
subtask_1_11.txt | AC | 1 ms | 384 KB |
subtask_1_12.txt | AC | 1 ms | 384 KB |
subtask_1_13.txt | AC | 1 ms | 384 KB |
subtask_1_14.txt | AC | 1 ms | 384 KB |
subtask_1_15.txt | AC | 1 ms | 384 KB |
subtask_1_16.txt | AC | 1 ms | 384 KB |
subtask_1_17.txt | AC | 1 ms | 384 KB |
subtask_1_18.txt | AC | 1 ms | 384 KB |
subtask_1_19.txt | AC | 1 ms | 384 KB |
subtask_1_20.txt | AC | 1 ms | 384 KB |
subtask_1_21.txt | AC | 1 ms | 384 KB |
subtask_1_22.txt | AC | 1 ms | 384 KB |
subtask_1_23.txt | AC | 1 ms | 384 KB |
subtask_1_24.txt | AC | 1 ms | 384 KB |
subtask_1_25.txt | AC | 1 ms | 384 KB |
subtask_1_26.txt | AC | 1 ms | 384 KB |
subtask_1_27.txt | AC | 1 ms | 384 KB |
subtask_1_28.txt | AC | 1 ms | 384 KB |
subtask_1_29.txt | AC | 1 ms | 384 KB |
subtask_1_30.txt | AC | 1 ms | 384 KB |
subtask_1_31.txt | AC | 1 ms | 384 KB |
subtask_1_32.txt | AC | 1 ms | 384 KB |
subtask_1_33.txt | AC | 1 ms | 384 KB |
subtask_1_34.txt | AC | 1 ms | 384 KB |
subtask_1_35.txt | AC | 1 ms | 384 KB |
subtask_1_36.txt | AC | 1 ms | 384 KB |
subtask_1_37.txt | AC | 1 ms | 384 KB |
subtask_1_38.txt | AC | 1 ms | 384 KB |
subtask_1_39.txt | AC | 1 ms | 384 KB |
subtask_1_40.txt | AC | 1 ms | 384 KB |
subtask_1_41.txt | AC | 1 ms | 384 KB |
subtask_1_42.txt | AC | 1 ms | 384 KB |
subtask_2_01.txt | AC | 1 ms | 384 KB |
subtask_2_02.txt | AC | 1 ms | 384 KB |
subtask_2_03.txt | AC | 2 ms | 384 KB |
subtask_2_04.txt | AC | 58 ms | 384 KB |
subtask_2_05.txt | AC | 52 ms | 384 KB |
subtask_2_06.txt | AC | 1 ms | 384 KB |
subtask_2_07.txt | AC | 1 ms | 384 KB |
subtask_2_08.txt | AC | 1 ms | 384 KB |
subtask_2_09.txt | AC | 3 ms | 384 KB |
subtask_2_10.txt | AC | 69 ms | 384 KB |
subtask_2_11.txt | AC | 69 ms | 384 KB |
subtask_2_12.txt | AC | 69 ms | 384 KB |
subtask_2_13.txt | AC | 78 ms | 384 KB |
subtask_2_14.txt | AC | 78 ms | 384 KB |
subtask_2_15.txt | AC | 78 ms | 384 KB |
subtask_2_16.txt | AC | 69 ms | 384 KB |
subtask_2_17.txt | AC | 69 ms | 384 KB |
subtask_2_18.txt | AC | 69 ms | 384 KB |
subtask_2_19.txt | AC | 1 ms | 384 KB |
subtask_2_20.txt | AC | 1 ms | 384 KB |
subtask_2_21.txt | AC | 1 ms | 384 KB |
subtask_2_22.txt | AC | 29 ms | 384 KB |
subtask_2_23.txt | AC | 29 ms | 384 KB |
subtask_2_24.txt | AC | 29 ms | 384 KB |
subtask_2_25.txt | AC | 29 ms | 384 KB |
subtask_2_26.txt | AC | 41 ms | 384 KB |
subtask_2_27.txt | AC | 41 ms | 384 KB |
subtask_2_28.txt | AC | 2 ms | 384 KB |
subtask_2_29.txt | AC | 8 ms | 384 KB |
subtask_2_30.txt | AC | 34 ms | 384 KB |
subtask_2_31.txt | AC | 75 ms | 384 KB |
subtask_2_32.txt | AC | 75 ms | 384 KB |
subtask_2_33.txt | AC | 75 ms | 384 KB |
subtask_2_34.txt | AC | 75 ms | 384 KB |
subtask_2_35.txt | AC | 47 ms | 384 KB |
subtask_2_36.txt | AC | 47 ms | 384 KB |
subtask_2_37.txt | AC | 47 ms | 384 KB |
subtask_2_38.txt | AC | 46 ms | 384 KB |