Submission #788386

#	Time	Username	Problem	Language	Result	Execution time	Memory
788386		Bula	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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

#define ll long long
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
//#define int ll
const ll mod=1e9+7;

vector<int> find_subset(int l,int u,vector<int> w){
	
	int n=(int)w.size();
	vector<int> v(n+1);
	for(int i=1;i<=n;i++) v[i]=w[i-1];
	int dp[n+1][u+1];
	for(int i=0;i<=n;i++){
		for(int j=1;j<=u;j++){
			dp[i][j]=0;
		}
	}
	vector<int> ans;
	for(int i=1;i<=n;i++){
		dp[i][v[i]]=2;
		for(int j=u;j>=1;j--){
			if(dp[i-1][j]>0 && dp[i][j]==0) dp[i][j]=1
			if(j>v[i]) dp[i][j]=max(dp[i][j],dp[i-1][j-v[i]]);
		}
	}
	int sum=0;
	for(int i=l;i<=u;i++){
		if(dp[n][i]>0){
			sum=i;
			break;
		}
	}
	
	int i=n;
	while(sum!=0){
		if(dp[i][sum]==2){
			sum-=v[i];
			ans.pb(i-1);
			i--;
		}else{
			i--;
		}
	}

	return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:27:46: error: expected ';' before 'if'
   27 |    if(dp[i-1][j]>0 && dp[i][j]==0) dp[i][j]=1
      |                                              ^
      |                                              ;
   28 |    if(j>v[i]) dp[i][j]=max(dp[i][j],dp[i-1][j-v[i]]);
      |    ~~