Submission #743628

#	Time	Username	Problem	Language	Result	Execution time	Memory
743628		lukadupli	Dijamant (COI16_dijament)	C++14	56 / 100	2089 ms	420 KiB

dijament

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1005;

int n, cnt = 0;
map<string, int> mapa;
bitset<MAXN> bs[MAXN];

bool add(string& klasa, vector<string>& dads){
    if(mapa.find(klasa) != mapa.end()) return 0;
    for(string& d : dads) if(mapa.find(d) == mapa.end()) return 0;

    bitset<MAXN> b;
    for(int i = 0; i < dads.size(); i++){
        for(int j = i + 1; j < dads.size(); j++){
            int d1 = mapa[dads[i]], d2 = mapa[dads[j]];
            if(!bs[d2][d1] && !bs[d1][d2] && (bs[d1] & bs[d2]).count()) return 0;
        }
        b |= bs[mapa[dads[i]]];
    }

    mapa[klasa] = ++cnt;
    b[cnt] = 1;
    bs[cnt] = b;

    return 1;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n;
    for(int i = 0; i < n; i++){
        string k;
        cin >> k;

        char c;
        cin >> c;

        vector<string> dads;
        string in = "";
        while(in != ";"){
            cin >> in;
            dads.push_back(in);
        }
        dads.pop_back();

        if(add(k, dads)) cout << "ok\n";
        else cout << "greska\n";
    }

	return 0;
}

Compilation message (stderr)

dijament.cpp: In function 'bool add(std::string&, std::vector<std::__cxx11::basic_string<char> >&)':
dijament.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0; i < dads.size(); i++){
      |                    ~~^~~~~~~~~~~~~
dijament.cpp:17:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         for(int j = i + 1; j < dads.size(); j++){
      |                            ~~^~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 29 / 29
• Subtask 4: 0 / 44