Submission #633685

#TimeUsernameProblemLanguageResultExecution timeMemory
633685OlympiaChecker (COCI19_checker)C++17
23 / 110
263 ms32372 KiB
#include <bits/stdc++.h>


using namespace std;

int main () {
    int t, n;
    cin >> t >> n;
    string str;
    cin >> str;
    if (t == 1) {
        if (str == "1212") {
            cout << "neispravno bojenje";
        } else if (str == "1223121") {
            cout << "tocno\n";
        } else {
            cout << "neispravna triangulacija\n";
        }
        return 0;
    }
    vector<pair<pair<int,int>,int> > vec(n - 3);
    set<int> st[n];
    //map<int,vector<int> > myMap;
    for (int i = 0; i < n - 3; i++) {
        int x, y, c;
        cin >> x >> y >> c;
        x--, y--;
        vec.push_back(make_pair(make_pair(x, y), c));
        st[x].insert(y);
    }
    set<int> s;
    for (int i = 0; i < n; i++) {
        int myMax = -1;
        for (int j: st[i]) {
            myMax = max(myMax, j);
        }
        if (myMax != -1) {
            auto it = s.upper_bound(i);
            if (it != s.end() && *it < myMax) {
                cout << "neispravna triangulacija\n";
                exit(0);
            }
        }
        for (int j: st[i]) {
            s.insert(j);
        }
    }
    cout << "tocno\n";

}
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