View Compilation Error

0_0_36669220_29556.cpp: In function 'int main()':
0_0_36669220_29556.cpp:43:1: error: 'map' was not declared in this scope
 map<char, int> mp;
 ^
0_0_36669220_29556.cpp:43:5: error: expected primary-expression before 'char'
 map<char, int> mp;
     ^
0_0_36669220_29556.cpp:44:1: error: 'mp' was not declared in this scope
 mp['N'] = 0;
 ^
0_0_36669220_29556.cpp:62:1: error: 'flag' was not declared in this scope
 flag = 1;
 ^
0_0_36669220_29556.cpp:73:4: error: 'flag' was not declared in this scope
 if(flag) printf(" LOST");
    ^