Submission #63006

#TimeUsernameProblemLanguageResultExecution timeMemory
63006KHUSRAVDetecting Molecules (IOI16_molecules)C++14
Compilation error
0 ms0 KiB
#include "molecules.h" #include<bits/stdc++.h> using namespace std ; int used[1000001]; vector<int> find_subset(int l, int u, vector<int> w) { vector< vector<int> > v; vector<int> y ; for(int i = 0 ; i <= u ; i++) used[i] = 0 ; y.push_back(0); v.push_back(y); for(int i = 0 ; i < w.size() ; i ++){ int q = v.size(); for(int j = 0 ; j < q ; j++){ vector<int> g = v[j]; if(g[0] + w[i] <= u){ g[0] += w[i]; g.push_back(i); if(used[g[0]] == 0){ used[g[0]] = 1 ; v.push_back(g) ; } if(g[0] >= l){ vector<int> k ; for(int j = 1 ; j < g.size() ; j ++) k.push_back(g[j]); return k; } } } } vector<int> f return f; }

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:14:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0 ; i < w.size() ; i ++){
                     ~~^~~~~~~~~~
molecules.cpp:28:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     for(int j = 1 ; j < g.size() ; j ++)
                                     ~~^~~~~~~~~~
molecules.cpp:36:5: error: expected initializer before 'return'
     return f;
     ^~~~~~
molecules.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^