Submission #101301

#	Time	Username	Problem	Language	Result	Execution time	Memory
101301		chunghan	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	3 ms	384 KiB

molecules

#include<bits/stdc++.h>
#include"molecules.h"

using namespace std;

typedef long long int lld;
typedef pair<int, int> pii;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<pii> p;
    vector<int> rst;
    int a = 0, b = 0, sum = 0;
    for (int i = 0; i < (int)w.size(); i++)
        p.push_back(pii(w[i], i));
    sort(p.begin(), p.end());
    while (1) {
        if (sum > u) sum -= p[a++].first;
        else if (b == w.size()) break;
        else if (sum < l) sum += p[b++].first;
        else break;
    }
    //cout << sum << endl;
    if (b < w.size())
        for (int i = a; i < b; i++)
            rst.push_back(p[i].second);
    return rst;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         else if (b == w.size()) break;
                  ~~^~~~~~~~~~~
molecules.cpp:23:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (b < w.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