Submission #988168

#	Time	Username	Problem	Language	Result	Execution time	Memory
988168		vjudge1	Konstrukcija (COCI20_konstrukcija)	C++17	30 / 110	12 ms	600 KiB

Main

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#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second


using namespace std;


void solve(){
    ll k;
    cin >> k;
    ll kel = 0;
    vector<pair<int, int>> edge;
    int cur = 2;
    for(ll i = 1; i <= abs(k) + 1; i++){
        edge.push_back({1, cur++});
    }
    if(k < 0){
        for(int i = 2; i < cur; i++){
            edge.push_back({i, cur});
            edge.push_back({i, cur + 1});
        }
        edge.push_back({cur, cur + 2});
        edge.push_back({cur + 1, cur + 2});
        cur = cur + 2;
    }else{
        for(int i = 2; i < cur; i++){
            edge.push_back({i, cur});
        }
        cur;
    }
    cout << cur << " " << edge.size() << endl;
    for(int i = 0; i < edge.size(); i++){
        cout << edge[i].fi << " " << edge[i].se << endl; 
    }
    
    
    
    
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int t = 1;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message (stderr)

konstrukcija.cpp: In function 'void solve()':
konstrukcija.cpp:39:9: warning: statement has no effect [-Wunused-value]
   39 |         cur;
      |         ^~~
konstrukcija.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for(int i = 0; i < edge.size(); i++){
      |                    ~~^~~~~~~~~~~~~
konstrukcija.cpp:21:8: warning: unused variable 'kel' [-Wunused-variable]
   21 |     ll kel = 0;
      |        ^~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 60