Submission #1159655
Source Code Expand
#include <cstdio> #include <algorithm> using namespace std; const int MAXN = 200005; int N, K; char s[MAXN]; int a[MAXN]; void simulate() { if (!a[0]) { a[0] = 1; return; } for (int i = 0; i < N - 1; i++) a[i] = a[i + 1] ^ 1; a[N - 1] = 0; } int main() { scanf("%d%d%s", &N, &K, s); for (int i = 0; i < N; i++) a[i] = s[i] - 'A'; int cnt = 0, mx = 0, best = 0; for (int i = 0; i <= N; i++) { if (i + cnt <= K) { best = i + cnt; mx = i; } cnt += !((a[i] + i) % 2); } for (int i = 0; i < mx; i++) a[mx - i - 1] = i % 2; for (int i = mx; i < N; i++) a[i] = (a[i] + mx) % 2; rotate(a, a + mx, a + N); K -= best; K %= 2; while (K--) simulate(); for (int i = 0; i < N; i++) printf("%c", a[i] + 'A'); puts(""); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Half Reflector |
User | abeker |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 837 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 1280 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:22:28: 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 |
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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 | 1 ms | 128 KB |
in10.txt | AC | 4 ms | 1280 KB |
in11.txt | AC | 4 ms | 1280 KB |
in12.txt | AC | 4 ms | 1280 KB |
in13.txt | AC | 4 ms | 1280 KB |
in14.txt | AC | 4 ms | 1280 KB |
in15.txt | AC | 4 ms | 1280 KB |
in16.txt | AC | 4 ms | 1280 KB |
in17.txt | AC | 4 ms | 1280 KB |
in18.txt | AC | 4 ms | 1280 KB |
in19.txt | AC | 4 ms | 1280 KB |
in2.txt | AC | 2 ms | 768 KB |
in20.txt | AC | 4 ms | 1280 KB |
in21.txt | AC | 4 ms | 1280 KB |
in22.txt | AC | 4 ms | 1280 KB |
in23.txt | AC | 4 ms | 1280 KB |
in24.txt | AC | 4 ms | 1280 KB |
in25.txt | AC | 4 ms | 1280 KB |
in26.txt | AC | 4 ms | 1280 KB |
in27.txt | AC | 4 ms | 1280 KB |
in28.txt | AC | 4 ms | 1280 KB |
in29.txt | AC | 4 ms | 1280 KB |
in3.txt | AC | 4 ms | 1280 KB |
in30.txt | AC | 4 ms | 1280 KB |
in31.txt | AC | 4 ms | 1280 KB |
in32.txt | AC | 4 ms | 1280 KB |
in33.txt | AC | 4 ms | 1280 KB |
in34.txt | AC | 4 ms | 1280 KB |
in35.txt | AC | 4 ms | 1280 KB |
in36.txt | AC | 4 ms | 1280 KB |
in37.txt | AC | 4 ms | 1280 KB |
in38.txt | AC | 4 ms | 1280 KB |
in39.txt | AC | 4 ms | 1280 KB |
in4.txt | AC | 4 ms | 1280 KB |
in40.txt | AC | 4 ms | 1280 KB |
in41.txt | AC | 4 ms | 1280 KB |
in42.txt | AC | 4 ms | 1280 KB |
in5.txt | AC | 4 ms | 1280 KB |
in543.txt | AC | 4 ms | 1280 KB |
in557.txt | AC | 4 ms | 1280 KB |
in6.txt | AC | 0 ms | 128 KB |
in7.txt | AC | 4 ms | 1280 KB |
in8.txt | AC | 4 ms | 1280 KB |
in9.txt | AC | 4 ms | 1280 KB |
sample1.txt | AC | 0 ms | 128 KB |
sample2.txt | AC | 0 ms | 128 KB |
sample3.txt | AC | 0 ms | 128 KB |