View Compilation Error

0_0_4197876_11350.cpp: In function `int main()':
0_0_4197876_11350.cpp:19: error: `vector' undeclared (first use this function)
0_0_4197876_11350.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4197876_11350.cpp:19: error: expected primary-expression before "int"
0_0_4197876_11350.cpp:19: error: expected `;' before "int"
0_0_4197876_11350.cpp:28: error: `v' undeclared (first use this function)