#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp> // Common file
//#include <ext/pb_ds/tree_policy.hpp> // Including
// tree_order_statistics_node_update #include
//<ext/pb_ds/detail/standard_policies.hpp>
#define S second
#define F first
#define vll vector<ll>
#define pll pair<ll, ll>
#define mll vector<vll>
#define sll set<ll>
#define vstring vector<string>
#define rep(x, g, y) for (ll x = g; x < y; x++)
#define rrep(x, g, y) for (ll x = g; x >= y; x--)
#define all(a) (a).begin(), (a).end()
using namespace std;
// using namespace __gnu_pbds;
// using namespace __gnu_cxx;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
// CRAM DEJA DE VER MIS ENVIOS MALDITO
// SUPER SET
// typedef tree<int, null_type, less<int>, rb_tree_tag,
// tree_order_statistics_node_update> ordered_set;
// SUPER MULTISET
// typedef tree<long long, null_type, less_equal<>, rb_tree_tag,
// tree_order_statistics_node_update> indexed_multiset;
// USOS
// imprimer la cantidad de elementos escritamente menor a X
// cout << aux.order_of_key(x)<<"\n";
// imprime el elemento k-esimo mas grande(comenzando desde 0)
// cout<<*X.find_by_order(K)<<endl;
// TIP: lower y upper invertidos en multiset.
// ll mod=1e9+7;
// ll expo(ll a, ll b)
// {
// if(a==0) return b==0;
// ll ans=1;
// while (b)
// {
// if(b&1) ans=(ans*a)%mod;
// b>>=1LL;
// a=(a*a)%mod;
// }
// return ans;
// }
ll lcm(ll a, ll b) { return (a * b) / __gcd(a, b); }
void yes() { cout << "YES\n"; }
void no() { cout << "NO\n"; }
template <class T> void print_v(vector<T> &v) {
cout << "{";
for (auto x : v)
cout << x << ",";
cout << "\b}\n";
}
void update(vll &st, ll l, ll r, ll nd, ll pos, ll valor) {
ll mid = (l + r) / 2;
if (l == r) {
st[nd] = valor;
return;
}
if (pos <= mid)
update(st, l, mid, nd * 2, pos, valor);
else
update(st, mid + 1, r, nd * 2 + 1, pos, valor);
st[nd] = min(st[nd * 2], st[nd * 2 + 1]);
}
ll query(vll &st, ll l, ll r, ll nd, ll lq, ll rq, ll valor) {
if (valor < st[nd])
return 1e12;
ll mid = (l + r) / 2;
if(lq>r) return 1e12;
if (l == r )
return l + 1;
return min(query(st, l, mid, nd * 2, lq, rq, valor),query(st, mid + 1, r, nd * 2+1, lq, rq, valor));
}
void solve() {
ll n, q;
cin >> n >> q;
vll st(4*n,1e12);
while (q--) {
char x;
cin >> x;
ll a, b;
cin >> a >> b;
if (x == 'M')
{
//cout << a<<"\n";
update(st, 0, n - 1, 1, --b, a);
}
else
{
ll ans=query(st, 0, n - 1, 1, --b, n-1, a);
if(ans>=1e12) ans=-1;
cout <<ans<<"\n";
}
//print_v(st);
}
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
// ll t; cin >> t;
// while(t--)
solve();
return 0;
}
Compilation message
deda.cpp: In function 'll query(std::vector<long long int>&, ll, ll, ll, ll, ll, ll)':
deda.cpp:85:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
85 | if (l == r )
| ^~
deda.cpp:89:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
89 | return min(query(st, l, mid, nd * 2, lq, rq, valor),query(st, mid + 1, r, nd * 2+1, lq, rq, valor));
| ^~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
6 ms |
348 KB |
Output is correct |
| 4 |
Correct |
367 ms |
7692 KB |
Output is correct |
| 5 |
Execution timed out |
1067 ms |
3936 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1016 ms |
5292 KB |
Time limit exceeded |
| 7 |
Execution timed out |
1053 ms |
6812 KB |
Time limit exceeded |
