Submission #646847

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
646847	2022-09-30 21:36:06	chenwz	Abracadabra (CEOI22_abracadabra)	C++11	100 / 100	784 ms	55612 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
typedef long long llint;
typedef pair <int, int> pi;
const int MAXN = 200005;
const int MAXQ = 1000005;
int n, q, siz, ofs = 1, flg;
int p[MAXN], nxt[MAXN], sol[MAXQ];
int t[MAXN * 8];
set < pair <int, pi> > st;
vector < pair <int, pi> > v;
vector <pi> queries[MAXN];
void compute_next () {
    vector <int> st;
    st.push_back(n + 1);
    p[n + 1] = 1e9;
    for (int i = n; i >= 1; i--) {
        while (p[i] > p[st.back()]) st.pop_back();
        nxt[i] = st.back();
        st.push_back(i);
    }
}
int get_idx (int a, int b) {
    return lower_bound(v.begin(), v.end(), make_pair(p[a], make_pair(a, b))) - v.begin();
 
 
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Compilation message (stderr)

Main.cpp: In function 'void tour_init()':
Main.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     while (ofs < v.size()) ofs *= 2;
      |            ~~~~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25