View Compilation Error

0_0_6571205_15621.cpp:1:20:  stdio.h: No such file or directory
0_0_6571205_15621.cpp:2:21:  string.h: No such file or directory
0_0_6571205_15621.cpp: In function `int main()':
0_0_6571205_15621.cpp:8: error: `scanf' undeclared (first use this function)
0_0_6571205_15621.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6571205_15621.cpp:17: error: `strlen' undeclared (first use this function)
0_0_6571205_15621.cpp:21: error: `printf' undeclared (first use this function)