Submission #494347

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
494347	2021-12-15 09:12:21	jasen_penchev	Floppy (RMI20_floppy)	C++14	28 / 100	130 ms	3288 KiB

floppy

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#include "floppy.h"
#include <iostream>
#include <string>
#include <vector>
#include <stack>
#define endl '\n'
using namespace std;
const int MAXN = 40000;
int link[MAXN + 5];
void save_to_floppy(const string &bits);
void read_array(int subtask_id, const vector<int> &v)
{
    int n = v.size();
    stack<int> st;
    st.push(-1);
    for (int i = 0; i < n; ++ i)
    {
        while (st.top() != -1 and v[st.top()] < v[i]) st.pop();
        link[i] = st.top() + 1;
        st.push(i);
    }
    int cnt = 0, n0 = n;
    while (n0)
    {
        n0 /= 2;
 
 
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

floppy.cpp: In function 'void read_array(int, const std::vector<int>&)':
floppy.cpp:44:25: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |         while (s.size() < cnt) s = '0' + s;
      |                ~~~~~~~~~^~~~~
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: 0 / 72