nguyen-thom

int[][] a = 
        {  {99, 42, 74, 83, 100}, 
           {90, 91, 72, 88, 95},
           {88, 61, 74, 89, 96},
           {61, 89, 82, 98, 93},
           {93, 73, 75, 78, 99},
           {50, 65, 92, 87, 94},
           {43, 98, 78, 56, 99}  };

//gia tri can tim