submatrix1.cpp: In function 'int main()': submatrix1.cpp:28: warning: 'auto' will change meaning in C++0x; please remove it submatrix1.cpp:28: error: expected initializer before ':' token submatrix1.cpp:32: error: expected primary-expression before 'for' submatrix1.cpp:32: error: expected ';' before 'for' submatrix1.cpp:32: error: expected primary-expression before 'for' submatrix1.cpp:32: error: expected ')' before 'for'