Submission #1163548
Source Code Expand
#include <cstdio> const int MAXN = 2e5+1; int L, R; char S[MAXN]; bool F[MAXN*2], f; int main() { int N, K, i, T; scanf("%d%d%s", &N, &K, S); for(i=0; i<N; ++i) F[i] = S[i] == 'B'; L = 0, R = N; if (K <= 2*N) T = K; else if(N&1 && K&1) T = 2*N+1; else T = 2*N; for(i=0; i<T; ++i) if(f ^ F[L]) f = !f, ++L, F[R++] = f; else F[L] ^= 1; for(i=L; i<R; ++i) putchar((F[i]^f) ? 'B' : 'A'); puts(""); }
Submission Info
Submission Time | |
---|---|
Task | D - Half Reflector |
User | llq |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 451 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 896 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:9:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%s", &N, &K, S); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 900 / 900 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
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 | 3 ms | 896 KB |
in11.txt | AC | 4 ms | 896 KB |
in12.txt | AC | 3 ms | 896 KB |
in13.txt | AC | 3 ms | 896 KB |
in14.txt | AC | 4 ms | 896 KB |
in15.txt | AC | 3 ms | 896 KB |
in16.txt | AC | 3 ms | 896 KB |
in17.txt | AC | 4 ms | 896 KB |
in18.txt | AC | 4 ms | 896 KB |
in19.txt | AC | 3 ms | 896 KB |
in2.txt | AC | 2 ms | 512 KB |
in20.txt | AC | 4 ms | 896 KB |
in21.txt | AC | 4 ms | 896 KB |
in22.txt | AC | 4 ms | 896 KB |
in23.txt | AC | 4 ms | 896 KB |
in24.txt | AC | 4 ms | 896 KB |
in25.txt | AC | 4 ms | 896 KB |
in26.txt | AC | 4 ms | 896 KB |
in27.txt | AC | 4 ms | 896 KB |
in28.txt | AC | 3 ms | 768 KB |
in29.txt | AC | 3 ms | 768 KB |
in3.txt | AC | 4 ms | 896 KB |
in30.txt | AC | 4 ms | 896 KB |
in31.txt | AC | 4 ms | 896 KB |
in32.txt | AC | 4 ms | 896 KB |
in33.txt | AC | 4 ms | 896 KB |
in34.txt | AC | 4 ms | 896 KB |
in35.txt | AC | 4 ms | 896 KB |
in36.txt | AC | 4 ms | 896 KB |
in37.txt | AC | 4 ms | 896 KB |
in38.txt | AC | 4 ms | 896 KB |
in39.txt | AC | 4 ms | 896 KB |
in4.txt | AC | 4 ms | 896 KB |
in40.txt | AC | 4 ms | 896 KB |
in41.txt | AC | 4 ms | 896 KB |
in42.txt | AC | 4 ms | 896 KB |
in5.txt | AC | 4 ms | 896 KB |
in543.txt | AC | 3 ms | 768 KB |
in557.txt | AC | 3 ms | 768 KB |
in6.txt | AC | 1 ms | 128 KB |
in7.txt | AC | 4 ms | 896 KB |
in8.txt | AC | 4 ms | 896 KB |
in9.txt | AC | 4 ms | 896 KB |
sample1.txt | AC | 1 ms | 128 KB |
sample2.txt | AC | 1 ms | 128 KB |
sample3.txt | AC | 1 ms | 128 KB |