Submission #872446

#	Time	Username	Problem	Language	Result	Execution time	Memory
872446		Zero	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	0 ms	348 KiB

molecules

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

vector<int> find_subset(int l, int u, vector<int> a){
    int mn = 0,n = a.size();
    vector<int> v;
    int s = 0;
    bool jj = true;
    for(int i=0,j=0; i < n && j < n;){
        
        if(s>=l && s <= u){
            if(jj)j--;
            else i++;
            if(i == j) v.pb(i);
            else v.pb(i),v.pb(j);
            break;
        }
        if(s < l) s += a[j],j++,jj=true;
        if(s>u) s-=a[i], i ++,jj=false;
    }
    return v;
}

// int main(){
//     int l,u; cin >> l >> u;
//     vector<int> a(4);
//     for(auto &i : a) cin >> i;
//     vector<int> y = find_subset(l,u,a);
//     for(auto i : y) cout << i << " ";
//     return 0;
// }

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:9: warning: unused variable 'mn' [-Wunused-variable]
    8 |     int mn = 0,n = a.size();
      |         ^~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31