Submission #1655526
Source Code Expand
#include <cstdio> int n, m, beg, tag; char s[412345]; int main() { scanf("%d%d%s", &n, &m, s + 1); beg = 1; for(;;) { if(!m || beg > n) { break; } --m; if((s[beg] == 'A') ^ tag) { s[beg] = 'B' - s[beg] + 'A'; } else { ++beg; tag ^= 1; } } if(tag) { for (int i = beg; i <= n; ++i) { s[i] = 'B' - s[i] + 'A'; } } int End = beg + n; s[End] = 'B'; for (int i = End - 1; i > n; --i) { s[i] = 'B' - s[i + 1] + 'A'; } s[End] = 0; if(!m) { puts(s + beg); return 0; } if(n & 1) { if(m & 1) { s[beg] = 'B'; } } puts(s + beg); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Half Reflector |
User | OMTWOCZWEIXVI |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 635 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 768 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%s", &n, &m, s + 1); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 900 / 900 | ||||
Status |
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|
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 | 0 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 | 640 KB |
in18.txt | AC | 2 ms | 768 KB |
in19.txt | AC | 2 ms | 768 KB |
in2.txt | AC | 1 ms | 384 KB |
in20.txt | AC | 2 ms | 640 KB |
in21.txt | AC | 3 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 | 640 KB |
in29.txt | AC | 2 ms | 640 KB |
in3.txt | AC | 2 ms | 640 KB |
in30.txt | AC | 2 ms | 640 KB |
in31.txt | AC | 2 ms | 640 KB |
in32.txt | AC | 2 ms | 640 KB |
in33.txt | AC | 2 ms | 640 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 | 640 KB |
in4.txt | AC | 3 ms | 768 KB |
in40.txt | AC | 2 ms | 640 KB |
in41.txt | AC | 2 ms | 640 KB |
in42.txt | AC | 2 ms | 640 KB |
in5.txt | AC | 3 ms | 768 KB |
in543.txt | AC | 1 ms | 512 KB |
in557.txt | AC | 1 ms | 512 KB |
in6.txt | AC | 0 ms | 128 KB |
in7.txt | AC | 2 ms | 640 KB |
in8.txt | AC | 3 ms | 768 KB |
in9.txt | AC | 2 ms | 640 KB |
sample1.txt | AC | 1 ms | 128 KB |
sample2.txt | AC | 0 ms | 128 KB |
sample3.txt | AC | 0 ms | 128 KB |