제출 #1264270

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1264270		DeltaStruct	Jelly Flavours (IOI20_jelly)	C++20	컴파일 에러	0 ms	0 KiB

jelly

#include "jelly.h"
#include <bits/stdc++.h>
using namespace std;

int find_maximum_unique(int x,int y,vector<int>& A,vector<int>& B){
  int n = A.size(); vector<pair<int,int>> C; for (int i(0);i < n;++i) C.emplace_back(A[i],B[i]);
  sort(C.begin(),C.end()); vector dp0(n+1,vector<int>(y+1)),dp1(n+1,vector<int>(y+1));
  for (int i(0);i < n;++i){
    dp0[i+1] = dp0[i];
    for (int k(0);k+C[i].second <= y;++k) dp0[i+1][k+C[i].second] = max(dp0[i+1][k+C[i].second],dp0[i][k]+C[i].first);
  }
  for (int i(n-1);i > -1;--i){
    dp1[i] = dp1[i+1];
    for (int k(0);k+C[i].second <= y;++k) dp1[i][k+C[i].second] = max(dp1[i][k+C[i].second],dp1[i+1][k]+1);
  }
  int r = 0,s = 0;
  for (int i(0);i <= n;++i){
    for (int k(0);k <= y;++k) if (s-dp0[i][k]<=x) r = max(r,i+dp1[i][y-k]);
    if (i!=n) s += C[i].first;
  }
}

컴파일 시 표준 에러 (stderr) 메시지

jelly.cpp: In function 'int find_maximum_unique(int, int, std::vector<int>&, std::vector<int>&)':
jelly.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
   21 | }
      | ^
/usr/bin/ld: /tmp/cc4s3yNg.o: in function `main':
grader.cpp:(.text.startup+0x20c): undefined reference to `find_maximum_unique(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status