Submission #773367

#	Time	Username	Problem	Language	Result	Execution time	Memory
773367		Matblube	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include <iostream>
#include <iomanip>
#include <string>
#include <math.h>
#include <algorithm>
#include <vector>
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    sort(w.begin(), w.end());
    int a, b, cc, pos;
    std::vector<int>result;
    a=b=cc=pos=0;
    while(1){
        if(b>=n || a>=n) break;
        if(cc<l){
            cc+=w[a++]; continue;
        }
        if(cc>u){
            cc-=w[b++]; continue;
        }
        for(int i=a; i<b ; i++){
            result.push_back(w[i]);
        }
        return result;
    }
    return std::vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:15:15: error: 'n' was not declared in this scope
   15 |         if(b>=n || a>=n) break;
      |               ^