#include <bits/stdc++.h>
using namespace std;
#define int long long int
#define double long double
#define print(a) for(auto x : a) cout << x << " "; cout << endl
const int M = 1000000007;
const int N = 3e5+9;
const int INF = 2e9+1;
const int LINF = 2000000000000000001;
inline int power(int a, int b, int mod=M) {
int x = 1;
a %= mod;
while (b) {
if (b & 1) x = (x * a) % mod;
a = (a * a) % mod;
b >>= 1;
}
return x;
}
//_ ***************************** START Below *******************************
vector<vector<int>> a;
int consistency(int n, int m, int t){
vector<vector<bool>> dp(n+1, vector<bool>(5001, false));
dp[0][0] = true;
for(int i=1; i<=n; i++){
for(int j=0; j<=5000; j++){
for(int k=1; k<=m; k++){
if(j-a[i-1][k-1] >= 0)
dp[i][j] = dp[i][j] || dp[i-1][j-a[i-1][k-1]];
}
}
}
int ans = INF;
for(int j=0; j<=5000; j++){
if(dp[n][j] == true) ans = min(ans, abs(j-t));
}
return ans;
}
int practice(int n, int m, int k){
return 0;
}
void solve() {
int n, m, k;
cin >> n >> m >> k;
a.resize(n, vector<int>(m));
for(int i=0; i<n; i++){
for(int j=0; j<m; j++) cin >> a[i][j];
}
cout << consistency(n, m, k) << endl;
}
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
// cin >> t;
while (t--) {
solve();
}
return 0;
}
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