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41 lines (41 loc) · 874 Bytes
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CF_152_A.cpp
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41 lines (41 loc) · 874 Bytes
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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
cin.tie(0);cin.sync_with_stdio(0);
cout.tie(0);cout.sync_with_stdio(0);
int t = 1;
while (t--)
{
int size, sub;
cin>>size>>sub;
vector<int> vec;
for(int i=0; i<size; i++)
{
int str;
cin>>str;
vec.push_back(str);
}
vector<vector<int>> ans;
for(int )
set<int> s1;
for(int i=0; i<size; i++)
{
char m='0';
for(int j=0; j<sub; j++)
{
m=max(vec[j][i], m);
}
for(int j=0; j<sub; j++)
{
if(vec[j][i]==m)
{
s1.insert(i);
}
}
}
cout<<s1.size()<<endl;
}
return 0;
}