View Compilation Error

0_0_5964608_26431.c:1:19: iostream: No such file or directory
0_0_5964608_26431.c:2: error: syntax error before "namespace"
0_0_5964608_26431.c:6: error: syntax error before "flag"
0_0_5964608_26431.c: In function `main':
0_0_5964608_26431.c:31: error: `cin' undeclared (first use in this function)
0_0_5964608_26431.c:31: error: (Each undeclared identifier is reported only once
0_0_5964608_26431.c:31: error: for each function it appears in.)
0_0_5964608_26431.c:50: error: `cout' undeclared (first use in this function)
0_0_5964608_26431.c:50: error: `endl' undeclared (first use in this function)