# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
647600 | berr | Olympiads (BOI19_olympiads) | C++17 | 1217 ms | 262144 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int32_t main()
{
ios_base::sync_with_stdio(false); cin.tie(0);
int n, k, c; cin>>n>>k>>c;
vector<vector<int>> ar(n, vector<int>(k));
vector<int> ans;
for(int i=0; i<n; i++)
{
for(int l=0; l<k; l++)
cin>>ar[i][l];
}
if(k==1)
{
for(int a=0; a<n; a++)
ans.push_back(ar[a][0]);
}
else if(k==2)
{
for(int a=0; a<n; a++)
{
for(int b=a+1; b<n; b++)
{
int sum=0;
for(int i=0; i<k; i++)
{
sum+=max(ar[a][i], ar[b][i]);
}
ans.push_back(sum);
}
}
}
else if(k==3)
{
for(int a=0; a<n; a++)
{
for(int b=a+1; b<n; b++)
{
for(int c=b+1; c<n; c++)
{
int sum=0;
for(int i=0; i<k; i++)
{
sum+=max({ar[a][i], ar[b][i], ar[c][i]});
}
ans.push_back(sum);
}
}
}
}
else if(k==4)
{
for(int a=0; a<n; a++)
{
for(int b=a+1; b<n; b++)
{
for(int c=b+1; c<n; c++)
{
for(int d=c+1; d<n; d++)
{
int sum=0;
for(int i=0; i<k; i++)
{
sum+=max({ar[a][i], ar[b][i], ar[c][i], ar[d][i]});
}
ans.push_back(sum);
}
}
}
}
}
else if(k==5)
{
for(int a=0; a<n; a++)
{
for(int b=a+1; b<n; b++)
{
for(int c=b+1; c<n; c++)
{
for(int d=c+1; d<n; d++)
{
for(int e=d+1; e<n; e++)
{
int sum=0;
for(int i=0; i<k; i++)
{
sum+=max({ar[a][i], ar[b][i], ar[c][i], ar[d][i], ar[e][i]});
}
ans.push_back(sum);
}
}
}
}
}
}
else if(k==6)
{
for(int a=0; a<n; a++)
{
for(int b=a+1; b<n; b++)
{
for(int c=b+1; c<n; c++)
{
for(int d=c+1; d<n; d++)
{
for(int e=d+1; e<n; e++)
{
for(int f=e+1; f<n; f++)
{
int sum=0;
for(int i=0; i<k; i++)
{
sum+=max({ar[a][i], ar[b][i], ar[c][i], ar[d][i], ar[e][i], ar[f][i]});
}
ans.push_back(sum);
}
}
}
}
}
}
}
sort(ans.begin(), ans.end());
reverse(ans.begin(), ans.end());
cout<<ans[c-1];
}
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