제출 #43125

#제출 시각아이디문제언어결과실행 시간메모리
43125RayaBurong25_1커다란 상품 (IOI17_prize)C++14
0 / 100
1 ms4364 KiB
#include "prize.h" #include <stdio.h> #include <vector> #include <algorithm> int L[200005], R[200005]; int V[200005]; int min(int a, int b) { return (a < b)?a:b; } int max(int a, int b) { return (a > b)?a:b; } int find_best(int n) { int i; for (i = 0; i < n; i++) L[i] = -1; int mn, md, mx; //first sig std::vector<int> r; r = ask(0); L[0] = r[0]; R[0] = r[1]; if (R[0] == 0) return 0; int sigl = 0, sigr = n - 1; while (sigl < sigr) { mn = sigl; mx = sigr; while (mx != mn) { if (mx - mn == 1) { sigl = mx; break; } md = (mn + mx)/2; if (L[md] == -1) { r = ask(md); L[md] = r[0]; R[md] = r[1]; } if (L[md] == L[sigl] && R[md] == R[sigl]) mn = md; else mx = md; } if (sigl >= sigr) break; if (L[sigl] == -1) { r = ask(sigl); L[sigl] = r[0]; R[sigl] = r[1]; } if (L[sigl] == 0 && R[sigl] == 0) return sigl; mn = sigl; mx = sigr; while (mx != mn) { if (mx - mn == 1) { sigr = mn; break; } md = (mn + mx)/2; if (L[md] == -1) { r = ask(md); L[md] = r[0]; R[md] = r[1]; } if (L[md] == L[sigr] && R[md] == R[sigr]) mx = md; else mn = md; } if (sigr <= sigl) break; if (L[sigr] == -1) { r = ask(sigr); L[sigr] = r[0]; R[sigr] = r[1]; } if (L[sigr] == 0 && R[sigr] == 0) return sigl; } }

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:94:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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