Submission #37840

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
37840	2017-12-28 09:15:10	mirbek01	Divide and conquer (IZhO14_divide)	C++14	100 / 100	179 ms	57732 KiB

divide

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# include <bits/stdc++.h>
# define pb push_back
# define fr first
# define sc second
# define mk make_pair
using namespace std;
const int inf = 1e9 + 7;
const int N = 1e5 + 5;
typedef long long ll;
int n, a[N];
ll ans, b[N], c[N], cb[N], cc[N], s1, s2;
vector < pair <ll, ll> > t[N * 4];
void Merge(vector < pair <ll, ll> > a, vector < pair <ll, ll> > b, vector < pair <ll, ll> > &c)
{
      int i = 0, j = 0;
      while(i < a.size() && j < b.size())
            if(a[i] < b[j])
                  c.pb(a[i ++]);
            else
                  c.pb(b[j ++]);
      while(i < a.size())
            c.pb(a[i ++]);
      while(j < b.size())
 
 
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Compilation message (stderr)

divide.cpp: In function 'void Merge(std::vector<std::pair<long long int, long long int> >, std::vector<std::pair<long long int, long long int> >, std::vector<std::pair<long long int, long long int> >&)':
divide.cpp:22:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       while(i < a.size() && j < b.size())
               ^
divide.cpp:22:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       while(i < a.size() && j < b.size())
                               ^
divide.cpp:28:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       while(i < a.size())
               ^
divide.cpp:30:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       while(j < b.size())
               ^
divide.cpp: In function 'int main()':
divide.cpp:80:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &n);
                      ^
divide.cpp:84:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %lld %lld", &a[i], &b[i], &c[i]);
                                                       ^

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 52 / 52