Submission #365766

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
365766	2021-02-12 10:14:30	jasen_penchev	Cheerleaders (info1cup20_cheerleaders)	C++14	100 / 100	1220 ms	7388 KiB

cheerleaders

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#include <algorithm>
#include <iostream>
#include <utility>
#include <string>
#include <vector>
#define endl '\n'
using namespace std;
const int MAXN = 17;
int N;
int a[(1ll << MAXN) + 5];
int b[(1ll << MAXN) + 5];
long long cnt1[MAXN + 5], cnt2[MAXN + 5];
void rec(int l, int r, int depth, vector< pair<int, int> > v)
{
    if (r - l == 1) return;
    int mid = (l + r) / 2;
    vector< pair<int, int> > v1, v2;
    for (int i = 0; i < v.size(); ++ i)
    {
        if (v[i].second < mid) v1.push_back(v[i]);
        else v2.push_back(v[i]);
    }
    int pos = 0;
    for (int i = 0; i < v2.size(); ++ i)
    {
        while (pos < v1.size() and v1[pos].first < v2[i].first) pos++;
 
 
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Compilation message (stderr)

cheerleaders.cpp: In function 'void rec(int, int, int, std::vector<std::pair<int, int> >)':
cheerleaders.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for (int i = 0; i < v.size(); ++ i)
      |                     ~~^~~~~~~~~~
cheerleaders.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for (int i = 0; i < v2.size(); ++ i)
      |                     ~~^~~~~~~~~~~
cheerleaders.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         while (pos < v1.size() and v1[pos].first < v2[i].first) pos++;
      |                ~~~~^~~~~~~~~~~

• Subtask 1: 16 / 16
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28