제출 #930203

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
930203		Lib	Aliens (IOI16_aliens)	C++14	컴파일 에러	0 ms	0 KiB

aliens

#include <bits/stdc++.h>
//Aliens - Knuth opt variant
using namespace std;
long long dp[5000][5000]; //dp[i][k]: Minimum cost for covering the first i segments with k pictures (obviously i>=k)
long long opt[5000][5000];
//Why tf are there segments here? Refer to the official editorial for that - the expaination seems good enough
struct seg{
  long long Start;
  long long End;
}
seg Segments[5003];
//Custom sort function for removing uneeded segments. If a segment which starts at L and end at R is kept, alongside with another segment which starts at L' and end as R', and L'<= L <= R <= R' (aka: The segment is completely covered), the DP will become absolute shitfuckery and extremely wrong (trust me, I thought it would work but it didn't)
bool operator< (const seg &x, const seg &y){
  if(x.Start==y.Start){
    return x.End>y.End;
  }else{
    return x.Start<y.Start;
  }
}

long long take_photos(int N,int M, int K, vector <int> Rows, vector <int> Columns){
  
}

컴파일 시 표준 에러 (stderr) 메시지

aliens.cpp:11:5: error: expected initializer before 'Segments'
   11 | seg Segments[5003];
      |     ^~~~~~~~
aliens.cpp: In function 'long long int take_photos(int, int, int, std::vector<int>, std::vector<int>)':
aliens.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type]
   23 | }
      | ^