Submission #469907

#	Time	Username	Problem	Language	Result	Execution time	Memory
469907		Karabasan	Deda (COCI17_deda)	C++17	0 / 140	6 ms	716 KiB

deda

#include <bits/stdc++.h>

using namespace std;
int n,q;
char a;
int b,c;
multiset<pair<int,int> > s;
map<pair<int,int>,int > mp;

int par(pair<int,int> k,pair<int,int> z)
{
    return ((k.first<z.first)||(k.second<z.second));

}
int bul(pair<int,int> &p)
{
    auto up=lower_bound(s.begin(),s.end(),p,par);
    if(up==s.end())
    {
        cout<<"-1"<<endl;
        return 0;
    }
    cout<<(*up).first<<endl;

}
int main()
{
    scanf("%d%d",&n,&q);
    while(q--)
    {
        cin>>a>>b>>c;
        if(mp[{c,b}]==1)
            {
                printf("%d\n",c);
                continue;
            }
        mp[{c,b}]=1;
        if(a=='M')
        {
            s.insert({c,-b});
        }
        else
        {
            pair<int,int> pa={c,-b};
            bul(pa);
        }
    }
    return 0;
}

Compilation message (stderr)

deda.cpp: In function 'int bul(std::pair<int, int>&)':
deda.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type]
   25 | }
      | ^
deda.cpp: In function 'int main()':
deda.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d%d",&n,&q);
      |     ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 140