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E.cpp
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59 lines (49 loc) · 1.52 KB
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#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i=(a),_b=(b); i<=_b; i++)
#define FORD(i,a,b) for(int i=(a),_b=(b); i>=_b; i--)
#define REP(i,a) for(int i=0,_a=(a); i<_a; i++)
#define EACH(it,a) for(__typeof(a.begin()) it = a.begin(); it != a.end(); ++it)
#define DEBUG(x) { cout << #x << " = "; cout << (x) << endl; }
#define PR(a,n) { cout << #a << " = "; FOR(_,1,n) cout << a[_] << ' '; cout << endl; }
#define PR0(a,n) { cout << #a << " = "; REP(_,n) cout << a[_] << ' '; cout << endl; }
#define sqr(x) ((x) * (x))
#define ll long long
#define SZ(X) ((int) ((X).size()))
using namespace std;
int f[33][33][55];
int get(int m, int n, int k) {
if (k > m*n) return 1000111000;
if (k == 0) return 0;
if (k == m*n) return 0;
if (f[m][n][k] >= 0) return f[m][n][k];
int res = 1e9;
// cut vertically
FOR(x,1,n-1)
FOR(k1,0,k) {
res = min(res,
get(m, x, k1) + get(m, n-x, k-k1) + m*m);
}
// cut horizontally
FOR(x,1,m-1)
FOR(k1,0,k) {
res = min(res,
get(x, n, k1) + get(m-x, n, k-k1) + n*n);
}
return f[m][n][k] = res;
}
int main() {
ios :: sync_with_stdio(false);
memset(f, -1, sizeof f);
// FOR(i,1,30) FOR(j,1,30) {
// FOR(k,1,50) {
// cout << get(i,j,k) << ',';
// }
// cerr << i << ' ' << j << endl;
// }
// return 0;
int ntest; cin >> ntest;
while (ntest--) {
int m, n, k; cin >> m >> n >> k;
cout << get(m, n, k) << '\n';
}
}