View Compilation Error

0_0_10082483_1786.cpp: In function `int check(int, int, int, int)':
0_0_10082483_1786.cpp:6: error: `map' undeclared (first use this function)
0_0_10082483_1786.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10082483_1786.cpp: In function `int main()':
0_0_10082483_1786.cpp:25: error: `scanf' undeclared (first use this function)
0_0_10082483_1786.cpp:28: error: `map' undeclared (first use this function)
0_0_10082483_1786.cpp:28: error: `memset' undeclared (first use this function)
0_0_10082483_1786.cpp:32: error: `getchar' undeclared (first use this function)
0_0_10082483_1786.cpp:35: error: `gets' undeclared (first use this function)
0_0_10082483_1786.cpp:40: error: `printf' undeclared (first use this function)