제출 #790688

#제출 시각아이디문제언어결과실행 시간메모리
790688PoonYaPat커다란 상품 (IOI17_prize)C++14
컴파일 에러
0 ms0 KiB
#include "prize.h" #include <bits/stdc++.h> using namespace std; int mmax=0,st; vector<int> val[200005]; vector<int> none; void find_nxt() { //find the next non-lollipop int l=st+1,r=n-1; while (l<r) { int mid=(l+r)/2; val[mid]=ask(mid); if (val[mid][0]+val[mid][1]!=mmax) r=mid; else if (val[mid][0]!=val[st][0]) r=mid; else l=mid+1; } none.push_back(l); for (int i=l+1; i<n; ++i) { val[i]=ask(i); if (val[i][0]+val[i][1]!=mmax) none.push_back(i); else { st=i; find_nxt(); } } } int find_best(int n) { for (int i=0; i<min(500,n); ++i) { val[i]=ask(i); mmax=max(mmax,val[i][0]+val[i][1]); } for (int i=0; i<min(500,n); ++i) { if (val[i][0]+val[i][1]==mmax) { st=i; find_nxt(); break; } else none.push_back(i); } for (auto s : none) { val[s]=ask(s); if (val[s][0]+val[s][1]==0) return s; } }

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'void find_nxt()':
prize.cpp:10:15: error: 'n' was not declared in this scope
   10 |  int l=st+1,r=n-1;
      |               ^
prize.cpp: In function 'int find_best(int)':
prize.cpp:46:1: warning: control reaches end of non-void function [-Wreturn-type]
   46 | }
      | ^