제출 #132681

#제출 시각아이디문제언어결과실행 시간메모리
132681Talant커다란 상품 (IOI17_prize)C++17
20 / 100
82 ms504 KiB
#include "prize.h" #include <bits/stdc++.h> #define sc second #define fr first #define mk make_pair #define pb push_back using namespace std; const int N = (1e6 + 5); const int inf = (1e9 + 7); int find_best(int n) { int cur = 0; int cn = 0; int cnt = 0; while (1) { int l = cur,r = n - 1; vector<int> res = ask(cur); cnt ++; if (cnt > 10000) { assert(0); } if (res[0] + res[1] == 0) return cur; cn = res[0]; while (r - l > 1) { int m = (r + l) >> 1; res = ask(m); cnt ++; if (cnt > 10000) { assert(0); } if (res[0] + res[1] == 0) return m; if (res[0] == cn) l = m; else r = m; } res = ask(r); cnt ++; if (cnt > 10000) { assert(0); } if (res[0] + res[1] == 0) return r; if (res[0] == cn) l = r; cur = l + 1; if (cur > n - 1) break; } }

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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