#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair <int,int> p; const int N = 2e5+45; int n,a[N]; p go[105][10002]; p dp[105][10002]; vector <int> sol; int[] find_subset(int l,int u,int[] w){ n = w.size(); for(int i = 0; i < n; i++){ a[i+1] = w[i]; } dp[0][0] = p(1,0); for(int i = 1; i <= n; i++){ dp[i][0] = p(1,0); for(int j = 1; j <= 30; j++){ if(dp[i-1][j].first){ dp[i][j] = p(1,0); go[i][j] = p(i-1,j); } if(j >= a[i] && dp[i-1][j-a[i]].first){ dp[i][j] = p(1,1); go[i][j] = p(i-1,j-a[i]); } //cout << i << " " << j << " " << dp[i][j].first << endl; } } p poc = p(0,0); for(int j = l; j <= u; j++){ if(dp[n][j].first){ poc = p(n,j); break; } } while(poc.first){ if(dp[poc.first][poc.second].second){ sol.push_back(poc.first-1); } poc = go[poc.first][poc.second]; } return sol; } /*int main(){ vector <int> v = find_subset(15, 17, {6, 8, 8, 7}); for(auto f : v){ cout << f << " "; } cout << endl; }*/

molecules.cpp:12:4: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
 int[] find_subset(int l,int u,int[] w){
    ^
molecules.cpp:12:4: error: decomposition declaration cannot be declared with type 'int'
 int[] find_subset(int l,int u,int[] w){
    ^~
molecules.cpp:12:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
molecules.cpp:12:4: error: empty decomposition declaration
molecules.cpp:12:7: error: expected initializer before 'find_subset'
 int[] find_subset(int l,int u,int[] w){
       ^~~~~~~~~~~