View Compilation Error

0_0_8421469_5078.c:1:20: iostream: No such file or directory
0_0_8421469_5078.c:3:18: string: No such file or directory
0_0_8421469_5078.c:4:19: sstream: No such file or directory
0_0_8421469_5078.c:5: error: syntax error before "namespace"
0_0_8421469_5078.c: In function `main':
0_0_8421469_5078.c:8: error: `_int64' undeclared (first use in this function)
0_0_8421469_5078.c:8: error: (Each undeclared identifier is reported only once
0_0_8421469_5078.c:8: error: for each function it appears in.)
0_0_8421469_5078.c:8: error: syntax error before "dig"
0_0_8421469_5078.c:9: error: `string' undeclared (first use in this function)
0_0_8421469_5078.c:10: error: `stringstream' undeclared (first use in this function)
0_0_8421469_5078.c:12: error: `cin' undeclared (first use in this function)
0_0_8421469_5078.c:13: error: `dig' undeclared (first use in this function)