제출 #72415

#제출 시각아이디문제언어결과실행 시간메모리
72415Kmcode커다란 상품 (IOI17_prize)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; //#include "prize.h" #include <vector> int find_best(int n); std::vector<int> ask(int i); namespace solver{ map<int,pair<int,int> > mp; int fin; pair<int,int> query(int box){ if(box==-1){ return make_pair(0,-111); } if(mp.count(box))return mp[box]; cout<<"<script></script>"<<box<<endl; auto z=ask(box); if(z[0]==0&&z[1]==0){ fin=box; } return mp[box]=make_pair(z[0],z[1]); } inline void dfs(int l,int r){ int ex=query(r-1).first-query(l-1).first; int r_cn=query(r-1).first+query(r-1).second; int l_cn=query(l-1).first+query(l-1).second; if(r_cn==l_cn&&query(l-1).first+1==query(r).first)return; if(l+1==r)return; if(fin!=-1)return; dfs(l,(l+r)>>1); if(fin!=-1)return; dfs((l+r)>>1,r); } int find_best(int n) { fin=-1; dfs(0,n); return fin; } } int find_best(int n) { return solver::find_best(n); } static const int max_q = 10000; static int n; static int query_count = 0; static vector<int> g; static vector<vector<int> > rank_count; vector<int> ask(int i) { query_count++; if(query_count > max_q) { cerr << "Query limit exceeded" << endl; exit(0); } if(i < 0 || i >= n) { cerr << "Bad index: " << i << endl; exit(0); } vector<int> res(2); res[0] = rank_count[g[i] - 1][i + 1]; res[1] = rank_count[g[i] - 1][n] - res[0]; return res; } int main() { cin >> n; g.resize(n); for(int i = 0; i < n; i++) { cin >> g[i]; if(g[i] < 1) { cerr << "Invalid rank " << g[i] << " at index " << i << endl; exit(0); } } int max_rank = *max_element(g.begin(), g.end()); rank_count.resize(max_rank + 1, vector<int>(n + 1, 0)); for(int r = 0; r <= max_rank; r++) { for(int i = 1; i <= n; i++) { rank_count[r][i] = rank_count[r][i - 1]; if(g[i - 1] == r) rank_count[r][i]++; } } for(int i = 0; i <= n; i++) for(int r = 1; r <= max_rank; r++) rank_count[r][i] += rank_count[r - 1][i]; int res = find_best(n); cout << res << endl << "Query count: " << query_count << endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'void solver::dfs(int, int)':
prize.cpp:27:7: warning: unused variable 'ex' [-Wunused-variable]
   int ex=query(r-1).first-query(l-1).first;
       ^~
/tmp/cceyUUq1.o: In function `ask(int)':
grader.cpp:(.text+0x0): multiple definition of `ask(int)'
/tmp/ccyQaPpK.o:prize.cpp:(.text+0x0): first defined here
/tmp/cceyUUq1.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccyQaPpK.o:prize.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status