Submission #154552

#	Time	Username	Problem	Language	Result	Execution time	Memory
154552		phillip	San (COCI17_san)	C++14	48 / 120	164 ms	65540 KiB

san

#include <bits/stdc++.h>
#define ll long long
#define lp (pos+pos+1)
#define rp (2*pos+2)
#define m (l+r)/2
using namespace std;
vector<ll>v[40];
ll h[49],g[49],k,ans;
int n;
int main()
{
    cin>>n>>k;
    for(int i=0;i<n;i++)
    {
        cin>>h[i]>>g[i];
    }
    for(int i=n-1;i>=0;i--)
    {
        v[i].push_back(g[i]);
        for(int j=0;j<i;j++)
        {
            if(h[j]>h[i])continue;
            for(int l=0;l<v[i].size();l++)v[j].push_back(g[j]+v[i][l]);
        }
        for(int j=0;j<v[i].size();j++)
        {
            if(v[i][j]>=k)ans++;
        }
        //cout<<ans<<"\n";
        v[i].clear();
    }
    cout<<ans;
}

Compilation message (stderr)

san.cpp: In function 'int main()':
san.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int l=0;l<v[i].size();l++)v[j].push_back(g[j]+v[i][l]);
                         ~^~~~~~~~~~~~
san.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<v[i].size();j++)
                     ~^~~~~~~~~~~~

• Subtask 1: 24 / 24
• Subtask 2: 24 / 24
• Subtask 3: 0 / 24
• Subtask 4: 0 / 24
• Subtask 5: 0 / 24