View Compilation Error

0_0_9502119_28292.cpp:4: error: `string' does not name a type
0_0_9502119_28292.cpp: In function `void failure_func()':
0_0_9502119_28292.cpp:12: error: `S' undeclared (first use this function)
0_0_9502119_28292.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9502119_28292.cpp: In function `int main()':
0_0_9502119_28292.cpp:27: error: `cin' undeclared (first use this function)
0_0_9502119_28292.cpp:27: error: `S1' undeclared (first use this function)
0_0_9502119_28292.cpp:27: error: `S2' undeclared (first use this function)
0_0_9502119_28292.cpp:29: error: `S' undeclared (first use this function)
0_0_9502119_28292.cpp:32: error: `cout' undeclared (first use this function)
0_0_9502119_28292.cpp:33: error: `printf' undeclared (first use this function)