Main.cc: In function 'int main()':
Main.cc:9:13: error: 'x' was not declared in this scope
x=m-i-j;
^
Main.cc:10:45: error: expected ')' before '{' token
if ((i+j+x==m) && (i+j*2+x*5==n){
^
Main.cc:13:9: error: expected primary-expression before '}' token
}
^