View Compilation Error

0_0_12169744_13618.cpp:9: error: expected constructor, destructor, or type conversion before '<' token
0_0_12169744_13618.cpp:9: error: expected `,' or `;' before '<' token
0_0_12169744_13618.cpp: In function `int main()':
0_0_12169744_13618.cpp:13: error: `s' undeclared (first use this function)
0_0_12169744_13618.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12169744_13618.cpp:25: error: `set' undeclared (first use this function)
0_0_12169744_13618.cpp:25: error: expected primary-expression before '>' token
0_0_12169744_13618.cpp:25: error: missing template arguments before "it"
0_0_12169744_13618.cpp:25: error: expected `;' before "it"
0_0_12169744_13618.cpp:26: error: `it' undeclared (first use this function)