Submission #1871216
Source Code Expand
#include<cstdio> using namespace std; const int N=200200; int i,j,k,n,m; char s[N],ans[N]; int main() { scanf("%d%d",&n,&m); scanf("%s",s+1); j=1; for (i=n;i;i--) { if ((n-i)&1) ans[i]='B'; else ans[i]='A'; } for (i=1;i<=m;i++) { if (s[j]=='A') { s[j]='B'; continue; } else { if (++j>n) break; if (!(j&1)) s[j]='A'+'B'-s[j]; } } m-=i; for (i=j;i<=n;i++) { if (!(j&1) && i!=j) s[i]='A'+'B'-s[i]; ans[i-j+1]=s[i]; } if (m>0 && (m&1) && ans[1]=='A') ans[1]='B'; printf("%s\n",ans+1); }
Submission Info
Submission Time | |
---|---|
Task | D - Half Reflector |
User | jiyutian |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 552 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 768 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ ./Main.cpp:8:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s+1); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 900 / 900 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in4.txt, in40.txt, in41.txt, in42.txt, in5.txt, in543.txt, in557.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 1 ms | 128 KB |
in10.txt | AC | 2 ms | 768 KB |
in11.txt | AC | 3 ms | 768 KB |
in12.txt | AC | 2 ms | 768 KB |
in13.txt | AC | 2 ms | 768 KB |
in14.txt | AC | 3 ms | 768 KB |
in15.txt | AC | 2 ms | 768 KB |
in16.txt | AC | 2 ms | 768 KB |
in17.txt | AC | 2 ms | 768 KB |
in18.txt | AC | 2 ms | 768 KB |
in19.txt | AC | 2 ms | 768 KB |
in2.txt | AC | 1 ms | 512 KB |
in20.txt | AC | 2 ms | 768 KB |
in21.txt | AC | 2 ms | 768 KB |
in22.txt | AC | 3 ms | 768 KB |
in23.txt | AC | 3 ms | 768 KB |
in24.txt | AC | 3 ms | 768 KB |
in25.txt | AC | 3 ms | 768 KB |
in26.txt | AC | 3 ms | 768 KB |
in27.txt | AC | 3 ms | 768 KB |
in28.txt | AC | 2 ms | 768 KB |
in29.txt | AC | 2 ms | 768 KB |
in3.txt | AC | 2 ms | 768 KB |
in30.txt | AC | 2 ms | 768 KB |
in31.txt | AC | 2 ms | 768 KB |
in32.txt | AC | 2 ms | 768 KB |
in33.txt | AC | 2 ms | 768 KB |
in34.txt | AC | 3 ms | 768 KB |
in35.txt | AC | 3 ms | 768 KB |
in36.txt | AC | 3 ms | 768 KB |
in37.txt | AC | 3 ms | 768 KB |
in38.txt | AC | 3 ms | 768 KB |
in39.txt | AC | 2 ms | 768 KB |
in4.txt | AC | 3 ms | 768 KB |
in40.txt | AC | 2 ms | 768 KB |
in41.txt | AC | 2 ms | 768 KB |
in42.txt | AC | 2 ms | 768 KB |
in5.txt | AC | 3 ms | 768 KB |
in543.txt | AC | 2 ms | 768 KB |
in557.txt | AC | 2 ms | 768 KB |
in6.txt | AC | 1 ms | 128 KB |
in7.txt | AC | 2 ms | 768 KB |
in8.txt | AC | 3 ms | 768 KB |
in9.txt | AC | 2 ms | 768 KB |
sample1.txt | AC | 1 ms | 128 KB |
sample2.txt | AC | 1 ms | 128 KB |
sample3.txt | AC | 1 ms | 128 KB |