Submission #101300

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
101300	2019-03-18 08:08:06	chunghan	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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#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;
}
int main() {
    vector<int> w;
 
 
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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())
         ~~^~~~~~~~~~
molecules.cpp: In function 'int main()':
molecules.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < r.size(); i++) cout << r[i] << ' ';
                     ~~^~~~~~~~~~
/tmp/ccAD3wsh.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccjlx6uz.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status