class Solution {
public:
int findMaxForm(vector<string>& strs, int m, int n) {
vector<vector<int>> dp(m+1, vector<int>(n+1, 0));
for (auto str : strs) {
int numZeroes = 0, numOnes = 0;
for (int i=0; i<str.size(); i++) {
if (str[i] == '0')
numZeroes++;
else
numOnes++;
}
for (int i=m; i>=numZeroes; i--) {
for (int j=n; j>=numOnes; j--) {
dp[i][j] = max(dp[i][j], dp[i - numZeroes][j - numOnes] + 1);
}
}
}
return dp[m][n];
}
};