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Submission #469909

# Submission time Handle Problem Language Result Execution time Memory
469909 2021-09-02T09:23:56 Z Karabasan Deda (COCI17_deda) C++17
0 / 140
 6 ms 692 KB 
#include <bits/stdc++.h>
#define lll long long
using namespace std;
lll n,q;
char a;
lll b,c;
multiset<pair<lll,lll> > s;
map<pair<lll,lll>,lll > mp;

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

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

Compilation message

deda.cpp: In function 'long long int bul(std::pair<long long int, long long 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("%lld%lld",&n,&q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
0 / 140.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 460 KB Execution killed with signal 6
2 Runtime error 3 ms 460 KB Execution killed with signal 6
3 Runtime error 3 ms 460 KB Execution killed with signal 6
4 Runtime error 6 ms 692 KB Execution killed with signal 6
5 Runtime error 3 ms 460 KB Execution killed with signal 6
6 Runtime error 3 ms 460 KB Execution killed with signal 6
7 Runtime error 3 ms 460 KB Execution killed with signal 6