Submission #982566

#	Time	Username	Problem	Language	Result	Execution time	Memory
982566		MarwenElarbi	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	0 ms	348 KiB

molecules

#include<bits/stdc++.h>
//#include "molecules.h"
using namespace std;
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
#define fi first
#define se second
#define ll long long
#define pb push_back
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
std::vector<int> find_subset(int l, int u, std::vector<int> w){
    int ans=0;
    int n=w.size();
    vector<int> res;
    bool test=false;
    for (int i = 0; i < n-1; ++i)
    {
        ans+=w[i];
        res.pb(i);
        if(ans+w[n-1]>=l&&ans+w[n-1]<=u){
            test=true;
            res.pb(n-1);
            return res;
        }else if(ans+w[n-1]-w[0]>=l&&ans+w[n-1]-w[0]<=u){
            reverse(res.begin(),res.end());
            res.pop_back();
            res.pb(n-1);
            return res;
        }
    }
    return res;
}
/*int main() {
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    int n, l, u;
    assert(3 == scanf("%d %d %d", &n, &l, &u));
    std::vector<int> w(n);
    for (int i = 0; i < n; i++)
        assert(1 == scanf("%d", &w[i]));
    std::vector<int> result = find_subset(l, u, w);
    
    
    printf("%d\n", (int)result.size());
    for (int i = 0; i < (int)result.size(); i++)
        printf("%d%c", result[i], " \n"[i == (int)result.size() - 1]);
}*/

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:15:10: warning: variable 'test' set but not used [-Wunused-but-set-variable]
   15 |     bool test=false;
      |          ^~~~

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