View Compilation Error

0_0_36669266_13843.cpp:42:1: error: 'map' does not name a type
 map<pii,int>myp;
 ^
0_0_36669266_13843.cpp: In function 'int main()':
0_0_36669266_13843.cpp:114:1: error: 'myp' was not declared in this scope
 myp.clear();
 ^