Submission #492598

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
492598	2021-12-08 05:35:06	ToroTN	Watching (JOI13_watching)	C++14	100 / 100	910 ms	16524 KiB

watching

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#include<bits/stdc++.h>
using namespace std;
int n,p,q,a,st,md,ed,dp[2005][2005],val,idx,st1,st2,type;
vector<int> small[2005],large[2005],v;
int main()
{
    scanf("%d%d%d",&n,&p,&q);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&a);
        v.push_back(a);
    }
    sort(v.begin(),v.end());
    st=1;
    ed=1e9;
    while(ed>=st)
    {
        md=(st+ed)/2;
        //printf("%d %d %d\n",st,md,ed);
        for(int i=0;i<n;i++)
        {
            for(int j=0;j<n;j++)
            {
                dp[i][j]=1e9;
            }
        }
        md=(st+ed)/2;
        for(int i=0;i<v.size()-1;i++)
        {
            val=v[i+1]+md-1;
 
 
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Compilation message (stderr)

watching.cpp: In function 'int main()':
watching.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for(int i=0;i<v.size()-1;i++)
      |                     ~^~~~~~~~~~~
watching.cpp:36:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for(int i=0;i<v.size()-1;i++)
      |                     ~^~~~~~~~~~~
watching.cpp:53:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |                 for(int k=0;k<small[i].size();k++)
      |                             ~^~~~~~~~~~~~~~~~
watching.cpp:60:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |                 for(int k=0;k<large[i].size();k++)
      |                             ~^~~~~~~~~~~~~~~~
watching.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%d%d%d",&n,&p,&q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
watching.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%d",&a);
      |         ~~~~~^~~~~~~~~

• Subtask 1: 50 / 50
• Subtask 2: 50 / 50