Submission #377438

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
377438	2021-03-14 08:14:29	dolphingarlic	Selling RNA Strands (JOI16_selling_rna)	C++14	100 / 100	509 ms	396144 KiB

selling_rna

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#include <bits/stdc++.h>
using namespace std;
struct TrieNode {
    TrieNode *c[4];
    int tin, tout;
    vector<int> terminal;
    vector<tuple<int, int, int>> queries;
    unordered_map<int, int> bit;
    TrieNode() { for (int i = 0; i < 4; i++) c[i] = nullptr; }
};
inline int get_idx(char c) {
    if (c == 'A') return 0;
    if (c == 'G') return 1;
    if (c == 'C') return 2;
    return 3;
}
void insert(string &s, TrieNode *node, int i) {
    for (char c : s) {
        int idx = get_idx(c);
        if (!node->c[idx]) node->c[idx] = new TrieNode();
        node = node->c[idx];
    }
    node->terminal.push_back(i);
}
TrieNode *retrieve(string &s, TrieNode *node) {
 
 
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Compilation message (stderr)

selling_rna.cpp: In function 'void update(std::unordered_map<int, int>&, int, int)':
selling_rna.cpp:68:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for (; pos <= comp.size(); pos += pos & -pos) bit[pos] += val;
      |            ~~~~^~~~~~~~~~~~~~

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