Submission #1793782
Source Code Expand
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #define N 10010 #define ll long long #define P 998244353 using namespace std; int n,m; ll q[N],ni[N],nq[N]; int f[N][N]; char a[N],b[N]; ll C(int n,int m) { return q[n]*nq[m]%P*nq[n-m]%P; } int main() { q[0]=ni[1]=nq[0]=1; for(int i=1;i<N;i++) q[i]=q[i-1]*i%P; for(int i=2;i<N;i++) ni[i]=(P-P/i)*ni[P%i]%P; for(int i=1;i<N;i++) nq[i]=nq[i-1]*ni[i]%P; scanf("%s%s",a,b); for(int i=0;a[i];i++) if(a[i]=='1') { if(b[i]=='1') n++; else m++; } f[0][0]=1; for(int i=0;i<=n;i++) for(int j=0;j<=m;j++) if(i||j) { ll o=0; if(j) o+=(ll)j*j*f[i][j-1]; if(i) o+=(ll)i*j*f[i-1][j]; f[i][j]=o%P; } ll ans=0; for(int i=0;i<=n;i++) ans+=f[i][m]*C(n,i)%P*C(n+m,i+m)%P*q[n-i]%P*q[n-i]%P; ans%=P; cout<<ans; }
Submission Info
Submission Time | |
---|---|
Task | E - Shuffle and Swap |
User | ljss |
Language | C++14 (GCC 5.4.1) |
Score | 1700 |
Code Size | 839 Byte |
Status | AC |
Exec Time | 120 ms |
Memory | 389888 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:23:19: 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 | 512 KB |
sample_02.txt | AC | 1 ms | 512 KB |
sample_03.txt | AC | 1 ms | 512 KB |
sample_04.txt | AC | 1 ms | 512 KB |
subtask_1_01.txt | AC | 1 ms | 512 KB |
subtask_1_02.txt | AC | 1 ms | 512 KB |
subtask_1_03.txt | AC | 1 ms | 512 KB |
subtask_1_04.txt | AC | 1 ms | 512 KB |
subtask_1_05.txt | AC | 1 ms | 512 KB |
subtask_1_06.txt | AC | 1 ms | 512 KB |
subtask_1_07.txt | AC | 1 ms | 512 KB |
subtask_1_08.txt | AC | 1 ms | 512 KB |
subtask_1_09.txt | AC | 1 ms | 512 KB |
subtask_1_10.txt | AC | 1 ms | 512 KB |
subtask_1_11.txt | AC | 1 ms | 512 KB |
subtask_1_12.txt | AC | 2 ms | 2816 KB |
subtask_1_13.txt | AC | 2 ms | 2816 KB |
subtask_1_14.txt | AC | 5 ms | 19072 KB |
subtask_1_15.txt | AC | 5 ms | 19072 KB |
subtask_1_16.txt | AC | 5 ms | 19072 KB |
subtask_1_17.txt | AC | 5 ms | 19072 KB |
subtask_1_18.txt | AC | 4 ms | 15104 KB |
subtask_1_19.txt | AC | 4 ms | 13056 KB |
subtask_1_20.txt | AC | 4 ms | 13056 KB |
subtask_1_21.txt | AC | 4 ms | 13056 KB |
subtask_1_22.txt | AC | 3 ms | 8960 KB |
subtask_1_23.txt | AC | 3 ms | 6912 KB |
subtask_1_24.txt | AC | 1 ms | 512 KB |
subtask_1_25.txt | AC | 1 ms | 512 KB |
subtask_1_26.txt | AC | 1 ms | 512 KB |
subtask_1_27.txt | AC | 3 ms | 8960 KB |
subtask_1_28.txt | AC | 3 ms | 8960 KB |
subtask_1_29.txt | AC | 3 ms | 8960 KB |
subtask_1_30.txt | AC | 4 ms | 11008 KB |
subtask_1_31.txt | AC | 4 ms | 11008 KB |
subtask_1_32.txt | AC | 4 ms | 11008 KB |
subtask_1_33.txt | AC | 1 ms | 512 KB |
subtask_1_34.txt | AC | 2 ms | 640 KB |
subtask_1_35.txt | AC | 3 ms | 8960 KB |
subtask_1_36.txt | AC | 3 ms | 8960 KB |
subtask_1_37.txt | AC | 3 ms | 8960 KB |
subtask_1_38.txt | AC | 3 ms | 8960 KB |
subtask_1_39.txt | AC | 2 ms | 4864 KB |
subtask_1_40.txt | AC | 2 ms | 4864 KB |
subtask_1_41.txt | AC | 2 ms | 4864 KB |
subtask_1_42.txt | AC | 2 ms | 4864 KB |
subtask_2_01.txt | AC | 1 ms | 512 KB |
subtask_2_02.txt | AC | 1 ms | 512 KB |
subtask_2_03.txt | AC | 7 ms | 23296 KB |
subtask_2_04.txt | AC | 86 ms | 142592 KB |
subtask_2_05.txt | AC | 79 ms | 136320 KB |
subtask_2_06.txt | AC | 77 ms | 389760 KB |
subtask_2_07.txt | AC | 76 ms | 389760 KB |
subtask_2_08.txt | AC | 77 ms | 389888 KB |
subtask_2_09.txt | AC | 78 ms | 387840 KB |
subtask_2_10.txt | AC | 120 ms | 261120 KB |
subtask_2_11.txt | AC | 120 ms | 261120 KB |
subtask_2_12.txt | AC | 120 ms | 261120 KB |
subtask_2_13.txt | AC | 117 ms | 195712 KB |
subtask_2_14.txt | AC | 115 ms | 191744 KB |
subtask_2_15.txt | AC | 117 ms | 199808 KB |
subtask_2_16.txt | AC | 95 ms | 130432 KB |
subtask_2_17.txt | AC | 95 ms | 130432 KB |
subtask_2_18.txt | AC | 95 ms | 130432 KB |
subtask_2_19.txt | AC | 2 ms | 640 KB |
subtask_2_20.txt | AC | 2 ms | 512 KB |
subtask_2_21.txt | AC | 2 ms | 512 KB |
subtask_2_22.txt | AC | 97 ms | 350976 KB |
subtask_2_23.txt | AC | 97 ms | 350976 KB |
subtask_2_24.txt | AC | 97 ms | 350976 KB |
subtask_2_25.txt | AC | 97 ms | 350976 KB |
subtask_2_26.txt | AC | 105 ms | 330624 KB |
subtask_2_27.txt | AC | 104 ms | 330624 KB |
subtask_2_28.txt | AC | 3 ms | 1536 KB |
subtask_2_29.txt | AC | 11 ms | 9856 KB |
subtask_2_30.txt | AC | 44 ms | 48640 KB |
subtask_2_31.txt | AC | 108 ms | 161024 KB |
subtask_2_32.txt | AC | 107 ms | 161024 KB |
subtask_2_33.txt | AC | 107 ms | 161024 KB |
subtask_2_34.txt | AC | 107 ms | 161024 KB |
subtask_2_35.txt | AC | 109 ms | 320384 KB |
subtask_2_36.txt | AC | 109 ms | 320384 KB |
subtask_2_37.txt | AC | 109 ms | 320384 KB |
subtask_2_38.txt | AC | 108 ms | 320384 KB |