#include <bits/stdc++.h>
#include<unordered_map>
using namespace std;
#define ll long long
#define endl "\n"
#define Sara ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
const long long mod=998244353;
const double PI=acos(-1);
int main()
{
//freopen("input.in","r",stdin);
Sara
ll n,q;
cin>>n>>q;
map<ll,ll>stops;
vector<ll>v(n+1);
while(q--)
{
char o;
cin>>o;
if(o=='M')
{
ll x,c;
cin>>x>>c;
stops[c]=x;
}
else
{
ll y,b;
cin>>y>>b;
bool ok=0;
for(auto i:stops)
{
if(i.second>y)
break;
if(i.first>=b){
cout<<i.first<<endl;
ok=1;
break;
}
}
if(!ok)
cout<<-1<<endl;
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
3 |
Incorrect |
2 ms |
332 KB |
Output isn't correct |
4 |
Incorrect |
71 ms |
2380 KB |
Output isn't correct |
5 |
Incorrect |
96 ms |
6784 KB |
Output isn't correct |
6 |
Incorrect |
90 ms |
6136 KB |
Output isn't correct |
7 |
Incorrect |
84 ms |
5788 KB |
Output isn't correct |