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Ones and Zeroes

来源:东饰资讯网
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];
    }
};
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