View Compilation Error

0_0_24106490_31586.cpp: In function 'int main()':
0_0_24106490_31586.cpp:10:21: error: unable to find numeric literal operator 'operator""m'
 int k=(int)sqrt(n*n-2m);
                     ^
0_0_24106490_31586.cpp:10:21: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_24106490_31586.cpp:13:6: error: 'j' was not declared in this scope
 if(i*j==m&&i+j=n)
      ^
0_0_24106490_31586.cpp:22:9: error: expected '}' at end of input
 return 0;
         ^