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Submission #210845

# Submission time Handle Problem Language Result Execution time Memory
210845 2020-03-18T20:15:25 Z tatyam Detecting Molecules (IOI16_molecules) C++17
0 / 100
 6 ms 380 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#include "molecules.h"
#define rep(a) for(ll i = 0; i < a; i++)
#define all(a) begin(a), end(a)
#define sum(a) accumulate(all(a), 0LL)

vector<int> find_subset(int l, int u, vector<int> w){
    ll n = w.size();
    vector<ll> a(n);
    iota(all(a), 0);
    sort(all(a), [&](ll a, ll b){ return w[a] < w[b]; });
    if(w[a[0]] < l) return {};
    if(u < sum(w)) return {};
    ll s = 0, at = n;
    vector<int> ans;
    while(s <= u){
        if(l <= s) return ans;
        ans.push_back(a[--at]);
        s += w[ans.back()];
    }
    n = min<ll>(ans.size(), n - ans.size());
    rep(n){
        s -= w[ans[i]];
        ans[i] = w[a[i]];
        s += w[ans[i]];
        if(l <= s) return ans;
    }
    return {};
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 380 KB OK (n = 1, answer = NO)
2 Correct 6 ms 256 KB OK (n = 1, answer = NO)
3 Correct 6 ms 376 KB OK (n = 1, answer = YES)
4 Incorrect 6 ms 256 KB Contestant can not find answer, jury can
5 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 376 KB Contestant can not find answer, jury can
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 380 KB OK (n = 1, answer = NO)
2 Correct 6 ms 256 KB OK (n = 1, answer = NO)
3 Correct 6 ms 376 KB OK (n = 1, answer = YES)
4 Incorrect 6 ms 256 KB Contestant can not find answer, jury can
5 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 380 KB OK (n = 1, answer = NO)
2 Correct 6 ms 256 KB OK (n = 1, answer = NO)
3 Correct 6 ms 376 KB OK (n = 1, answer = YES)
4 Incorrect 6 ms 256 KB Contestant can not find answer, jury can
5 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 380 KB OK (n = 1, answer = NO)
2 Correct 6 ms 256 KB OK (n = 1, answer = NO)
3 Correct 6 ms 376 KB OK (n = 1, answer = YES)
4 Incorrect 6 ms 256 KB Contestant can not find answer, jury can
5 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 380 KB OK (n = 1, answer = NO)
2 Correct 6 ms 256 KB OK (n = 1, answer = NO)
3 Correct 6 ms 376 KB OK (n = 1, answer = YES)
4 Incorrect 6 ms 256 KB Contestant can not find answer, jury can
5 Halted 0 ms 0 KB -