제출 #128917

#제출 시각아이디문제언어결과실행 시간메모리
128917Talant콤보 (IOI18_combo)C++17
5 / 100
1 ms200 KiB
//#include "grader.cpp" #include "combo.h" #include <bits/stdc++.h> #define sc second #define fr first #define mk make_pair #define pb push_back using namespace std; const int NN = (1e6 + 5); const int inf = (1e9 + 7); string a,s,t; int f; string guess_sequence(int n) { if (press("A") > 0) f = 1,a += "A"; else if (press("B") > 0) f = 2,a += "B"; else if (press("X") > 0) f = 3,a += "X"; else f = 4,a += "Y"; if (f != 1) s += "A"; if (f != 2) s += "B"; if (f != 3) s += "X"; if (f != 4) s += "Y"; for (int i = 2; i < n; i ++) { string cur = a; t = ""; t += cur + s[0]; t += cur + s[1] + s[0]; t += cur + s[1] + s[1]; t += cur + s[1] + s[2]; if (press(t) == i) { a += s[0]; continue; } else if (press(t) == i + 1) { a += s[1]; continue; } else { a += s[2]; continue; } } if (press(a + s[0]) == n) return (a + s[0]); if (press(a + s[1]) == n) return (a + s[1]); if (press(a + s[2]) == n) return (a + s[2]); }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type]
   55 | }
      | ^
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