제출 #818895

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
818895		Gangsta	Detecting Molecules (IOI16_molecules)	C++14	컴파일 에러	0 ms	0 KiB

molecules

/*
ID: didarco1
LANG: C++17
TASK:
*/
// a >> b = a / pow(2,b)
// a << b = a * pow(2,b)
#include <bits/stdc++.h>
#define ll long long int
#define pb push_back
#define sz size()
#define ss second
#define ff first
#define N 200001
#define pii pair<int,int>

using namespace std;

//ll  _, x, n;

int find_subset(int l, int u, int w[], int n, int result[]){
	int x = w[0], uly = 0, kici = 0, den = 0, m, sum = 0;
	for(int i = 1; i < n; i++){
		if(w[i] == x + 1) uly++;
		else if(w[i] == x - 1) kici++;
		else if(w[i] == x) den++;
	}
	if(den + 1 == n){
		for(int i = 0; i < n; i++){
			sum += w[i];
			result[i] = w[i];
			if(sum >= l and sum <= u) return i + 1;
		}
		return 0;
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'int find_subset(int, int, int*, int, int*)':
molecules.cpp:22:44: warning: unused variable 'm' [-Wunused-variable]
   22 |  int x = w[0], uly = 0, kici = 0, den = 0, m, sum = 0;
      |                                            ^
/usr/bin/ld: /tmp/ccvMKwKs.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status