제출 #548304

#제출 시각아이디문제언어결과실행 시간메모리
548304Killer2501콤보 (IOI18_combo)C++14
0 / 100
1 ms208 KiB
#define fi first #define se second #define pb push_back #include "combo.h" using namespace std; using ll = long long; using ld = long double; const int N = 3e5 +2; const int base = 31; const int mod = 1e9 +7; int a[4], k; string guess_sequence(int n) { string res; for(int i = 0; i < 4; i ++)a[i] = 1; for(int i = 1; i <= n; i ++) { string s; if(a[0]) { k = press(res+"A"); if(k == i) { res += "A"; if(i == 1)a[0] = 0; continue; } } if(a[1]) { k = press(res+"B"); if(k == i) { res += "B"; if(i == 1)a[1] = 0; continue; } } if(a[2]) { k = press(res+"X"); if(k == i) res += "Y"; if(i == 1)a[3] = 0; } } return res; }
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