Submission #1794933
Source Code Expand
#include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int N=2020,oo=1000000000; int i,j,k,n,m,ch,fga,fgb,num,ans,res; int l[N],r[N],ma[N]; char A[N],B[N]; int main() { ans=oo; scanf("%s",A); scanf("%s",B); n=strlen(A); fga=fgb=-1; for (i=0;i<n;i++) if (A[i]=='1') { fga=i;break;} for (i=0;i<n;i++) if (B[i]=='1') { fgb=i;break;} if (fgb==-1) { if (fga==-1) puts("0"); else puts("-1"); return 0; } for (i=fgb;i<fgb+n;i++) { if (B[i%n]=='1') num=0; else num++; l[i%n]=num; } for (i=fgb+n;i>fgb;i--) { if (B[i%n]=='1') num=0; else num++; r[i%n]=num; } for (i=0;i<n;i++) { res=i; memset(ma,0,sizeof ma); for (j=0;j<n;j++) if (A[(j+i)%n]!=B[j]) { res++; int a=max(0,l[(j+i)%n]-i); ma[a]=max(ma[a],r[(j+i)%n]); } for (j=n-1;j>=0;j--) ma[j]=max(ma[j],ma[j+1]); for (j=0;j<n;j++) ans=min(ans,res+2*(j+ma[j+1])); } printf("%d\n",ans); }
Submission Info
Submission Time | |
---|---|
Task | D - Shift and Flip |
User | jiyutian |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 953 Byte |
Status | WA |
Exec Time | 58 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:11:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",A); ^ ./Main.cpp:12:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",B); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.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_1_43.txt, subtask_1_44.txt, subtask_1_45.txt, subtask_1_46.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 128 KB |
sample_02.txt | AC | 1 ms | 128 KB |
sample_03.txt | AC | 1 ms | 128 KB |
sample_04.txt | AC | 1 ms | 128 KB |
subtask_1_01.txt | AC | 1 ms | 128 KB |
subtask_1_02.txt | AC | 1 ms | 128 KB |
subtask_1_03.txt | AC | 1 ms | 128 KB |
subtask_1_04.txt | AC | 1 ms | 128 KB |
subtask_1_05.txt | AC | 35 ms | 128 KB |
subtask_1_06.txt | AC | 1 ms | 128 KB |
subtask_1_07.txt | AC | 30 ms | 128 KB |
subtask_1_08.txt | AC | 2 ms | 256 KB |
subtask_1_09.txt | AC | 1 ms | 128 KB |
subtask_1_10.txt | AC | 1 ms | 128 KB |
subtask_1_11.txt | AC | 58 ms | 128 KB |
subtask_1_12.txt | AC | 57 ms | 128 KB |
subtask_1_13.txt | WA | 58 ms | 128 KB |
subtask_1_14.txt | WA | 52 ms | 128 KB |
subtask_1_15.txt | AC | 52 ms | 128 KB |
subtask_1_16.txt | WA | 53 ms | 128 KB |
subtask_1_17.txt | WA | 52 ms | 128 KB |
subtask_1_18.txt | WA | 54 ms | 128 KB |
subtask_1_19.txt | AC | 55 ms | 128 KB |
subtask_1_20.txt | AC | 56 ms | 128 KB |
subtask_1_21.txt | AC | 33 ms | 128 KB |
subtask_1_22.txt | WA | 33 ms | 128 KB |
subtask_1_23.txt | AC | 35 ms | 128 KB |
subtask_1_24.txt | AC | 35 ms | 128 KB |
subtask_1_25.txt | WA | 35 ms | 128 KB |
subtask_1_26.txt | AC | 1 ms | 128 KB |
subtask_1_27.txt | AC | 1 ms | 128 KB |
subtask_1_28.txt | AC | 3 ms | 128 KB |
subtask_1_29.txt | AC | 12 ms | 128 KB |
subtask_1_30.txt | AC | 48 ms | 128 KB |
subtask_1_31.txt | AC | 1 ms | 128 KB |
subtask_1_32.txt | WA | 1 ms | 128 KB |
subtask_1_33.txt | WA | 1 ms | 128 KB |
subtask_1_34.txt | AC | 3 ms | 128 KB |
subtask_1_35.txt | WA | 12 ms | 128 KB |
subtask_1_36.txt | WA | 50 ms | 128 KB |
subtask_1_37.txt | AC | 1 ms | 128 KB |
subtask_1_38.txt | AC | 1 ms | 128 KB |
subtask_1_39.txt | WA | 3 ms | 128 KB |
subtask_1_40.txt | WA | 13 ms | 128 KB |
subtask_1_41.txt | WA | 49 ms | 128 KB |
subtask_1_42.txt | WA | 48 ms | 128 KB |
subtask_1_43.txt | WA | 48 ms | 128 KB |
subtask_1_44.txt | WA | 51 ms | 128 KB |
subtask_1_45.txt | WA | 50 ms | 128 KB |
subtask_1_46.txt | AC | 50 ms | 128 KB |