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Submission #145647

# Submission time Handle Problem Language Result Execution time Memory
145647 2019-08-20T16:19:32 Z karma Detecting Molecules (IOI16_molecules) C++11
0 / 100
 2 ms 380 KB 
#include<bits/stdc++.h>
//#include "molecules.h"
#define mp   make_pair
#define fi   first
#define se   second

using namespace std;

typedef pair<int, int> pii;

vector<int> find_subset(int l, int u, vector<int> w)
{
    vector<pii> _w;
    vector<bool> used;
    vector<int> ans; ans.clear();
    int n, pivot = -1, s = 0;
    n = w.size(); _w.resize(n); used.resize(n);
    for(int i = 0; i < n; ++i) {
        if(w[i] >= l && w[i] <= u) {
            ans.push_back(i + 1); return ans;
        }
        _w[i] = mp(w[i], i);
    }
    sort(_w.begin(), _w.end());
    for(int i = 0; i < n; ++i) {
        if(s + _w[i].fi <= l) s += _w[i].fi, used[_w[i].se] = 1, pivot = i;
        else break;
    }
    if(s >= l && s <= u) {
        for(int i = 0; i < n; ++i) if(used[i]) ans.push_back(i + 1);
        return ans;
    }
    for(int i = pivot + 1; i < n; ++i) {
        if(_w[i].fi > u) break;
        int upper = _w[i].fi - l + s, lower = _w[i].fi - u + s;
        int pos = lower_bound(_w.begin(), _w.begin() + pivot, mp(lower, -1)) - _w.begin();
        if(_w[pos].fi <= upper && _w[pos].fi >= lower) {
            s -= _w[pos].fi; s += _w[i].fi;
            used[_w[pos].se] = 0, used[_w[i].se] = 1; break;
        }
    }
    if(s >= l && s <= u) {
        for(int i = 0; i < n; ++i) if(used[i]) ans.push_back(i + 1);
    }
    return ans;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB OK (n = 1, answer = NO)
2 Correct 2 ms 256 KB OK (n = 1, answer = NO)
3 Incorrect 2 ms 256 KB Integer 1 violates the range [0, 0]
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 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 2 ms 380 KB OK (n = 1, answer = NO)
2 Correct 2 ms 256 KB OK (n = 1, answer = NO)
3 Incorrect 2 ms 256 KB Integer 1 violates the range [0, 0]
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB OK (n = 1, answer = NO)
2 Correct 2 ms 256 KB OK (n = 1, answer = NO)
3 Incorrect 2 ms 256 KB Integer 1 violates the range [0, 0]
4 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB OK (n = 1, answer = NO)
2 Correct 2 ms 256 KB OK (n = 1, answer = NO)
3 Incorrect 2 ms 256 KB Integer 1 violates the range [0, 0]
4 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB OK (n = 1, answer = NO)
2 Correct 2 ms 256 KB OK (n = 1, answer = NO)
3 Incorrect 2 ms 256 KB Integer 1 violates the range [0, 0]
4 Halted 0 ms 0 KB -