View Compilation Error

0_0_5385387_26156.cpp:8: error: expected constructor, destructor, or type conversion before '<' token
0_0_5385387_26156.cpp:8: error: expected `,' or `;' before '<' token
0_0_5385387_26156.cpp: In function `void init()':
0_0_5385387_26156.cpp:27: error: `map' undeclared (first use this function)
0_0_5385387_26156.cpp:27: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5385387_26156.cpp: In function `bool dfs(int)':
0_0_5385387_26156.cpp:33: error: `map' undeclared (first use this function)
0_0_5385387_26156.cpp: In function `int main()':
0_0_5385387_26156.cpp:81: error: `map' undeclared (first use this function)