View Compilation Error

0_0_9641440_18898.cpp:1:24: bits/stdc++.h: No such file or directory
0_0_9641440_18898.cpp:7: error: `string' does not name a type
0_0_9641440_18898.cpp: In function `int main()':
0_0_9641440_18898.cpp:10: error: `scanf' undeclared (first use this function)
0_0_9641440_18898.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9641440_18898.cpp:14: error: `strlen' undeclared (first use this function)
0_0_9641440_18898.cpp:25: error: `s' undeclared (first use this function)
0_0_9641440_18898.cpp:29: error: `pow' undeclared (first use this function)
0_0_9641440_18898.cpp:46: error: `printf' undeclared (first use this function)