Submission #404501

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
404501	2021-05-14 14:04:57	danielcm585	Floppy (RMI20_floppy)	C++14	100 / 100	126 ms	15780 KiB

floppy

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#include "floppy.h"
#include <bits/stdc++.h>
using namespace std;
void read_array(int subtask_id, const vector<int> &v) {
    string bits;
    stack<int> s;
    for (auto i : v) {
        while (!s.empty() && s.top() < i) {
            bits += '0';
            s.pop();
        }
        bits += '1';
        s.push(i);
    }
    save_to_floppy(bits);
}
vector<int> solve_queries(int subtask_id, int N, const string &bits, const vector<int> &l, const vector<int> &r) {
    stack<int> s;
    vector<vector<int>> ls(N,vector<int>(16));
    for (int i = 0, j = 0; i < bits.length(); i++) {
        if (bits[i] == '1') {
            if (s.empty()) ls[j][0] = j;
            else ls[j][0] = s.top();
            s.push(j++);
        }
        else s.pop();
    }
 
 
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Compilation message (stderr)

floppy.cpp: In function 'std::vector<int> solve_queries(int, int, const string&, const std::vector<int>&, const std::vector<int>&)':
floppy.cpp:23:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0, j = 0; i < bits.length(); i++) {
      |                            ~~^~~~~~~~~~~~~~~
floppy.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for (int i = 0; i < l.size(); i++) {
      |                     ~~^~~~~~~~~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  101 |     if (query_answers.size() != M) {
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~

• Subtask 1: 7 / 7
• Subtask 2: 21 / 21
• Subtask 3: 72 / 72