답안 #141641

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
141641 2019-08-08T15:23:18 Z eggag32 Detecting Molecules (IOI16_molecules) C++17
컴파일 오류
0 ms 0 KB
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#include "molecules.h"
//#include "grader.cpp"
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define debug(x) cerr << #x << ": " << x << endl;
#define debug2(x, y) debug(x) debug(y);
#define repn(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define rep(i, a) for(int i = 0; i < (int)(a); i++)
#define all(v) v.begin(), v.end() 
#define mp make_pair
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define endl '\n'

template<class T> T gcd(T a, T b){ return ((b == 0) ? a : gcd(b, a % b)); }

vi dp[500005];

vi find_subset(int l, int r, vi w) {
	int n = w.size();
	vis[0] = 1;
	rep(i, n){
		for(int j = r - w[i]; j >= 0; j--){
			if(!j || dp[j].size()){
				dp[j + w[i]] = dp[j];
				dp[j + w[i]].pb(i);
				if((j + w[i]) <= r && (j + w[i]) >= l){
					return dp[j + w[i]];
				}
			}
		}
	}
	return vi(0);
}

/*
Things to look out for:
	- Integer overflows
	- Array bounds
	- Special cases
Be careful!
*/

Compilation message

molecules.cpp: In function 'vi find_subset(int, int, vi)':
molecules.cpp:30:2: error: 'vis' was not declared in this scope
  vis[0] = 1;
  ^~~
molecules.cpp:30:2: note: suggested alternative: 'vi'
  vis[0] = 1;
  ^~~
  vi