제출 #95681

#제출 시각아이디문제언어결과실행 시간메모리
95681shenxy콤보 (IOI18_combo)C++11
10 / 100
105 ms424 KiB
#include "combo.h" #include <string> #include <algorithm> using namespace std; string guess_sequence(int N) { string p = ""; int K = -1; char firstchar = ' '; for (int i = 1; i <= N; ++i) { p += "A"; if (i == 1 || firstchar != 'A') K = press(p); if (K < i) { p.pop_back(); p += "B"; } else { if (i == 1) firstchar = 'A'; continue; } if (i == 1 || firstchar != 'B') K = press(p); if (K < i) { p.pop_back(); p += "X"; } else { if (i == 1) firstchar = 'B'; continue; } if (i == 1 || firstchar != 'X') K = press(p); if (K < i) { p.pop_back(); p += "Y"; firstchar = 'Y'; } else if (i == 1) firstchar = 'X'; } return p; }
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