View Compilation Error

30700_0_30922.cpp: In function `int main()':
30700_0_30922.cpp:19: error: `sting' undeclared (first use this function)
30700_0_30922.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
30700_0_30922.cpp:19: error: expected `;' before "a"
30700_0_30922.cpp:23: error: `b' undeclared (first use this function)
30700_0_30922.cpp:29: error: `a' undeclared (first use this function)
30700_0_30922.cpp:36: error: `n' undeclared (first use this function)
30700_0_30922.cpp:44: error: no post-increment operator for type
30700_0_30922.cpp:53: error: expected `}' at end of input