Dev - C++ - Programa enc++ que determine norma matricial infinita

#include <iostream>

#include <cstdlib>

#include <cmath>

using namespace std;

int main() {

    int x[3][3] = {

        { 1,  1,  2},

        { 2, -1,  1},

        { 1,  0,  1}

        };

    int max = 0;

    int max_tmp = 0;

    for (int i = 0; i < 3; i++) {

      max_tmp = 0;

      for (int j = 0; j < 3; j++)

        max_tmp += fabs( x[i][j] );

      if(max < max_tmp)

         max = max_tmp;

    }

    cout << max << endl;

    return EXIT_SUCCESS;

}