View Compilation Error

204001_0_7582.c:1:20: iostream: No such file or directory
204001_0_7582.c:2:18: string: No such file or directory
204001_0_7582.c:5: error: syntax error before "namespace"
204001_0_7582.c: In function `main':
204001_0_7582.c:22: error: 'for' loop initial declaration used outside C99 mode
204001_0_7582.c:34: error: redefinition of 'u'
204001_0_7582.c:22: error: previous definition of 'u' was here
204001_0_7582.c:34: error: 'for' loop initial declaration used outside C99 mode
204001_0_7582.c:35: error: 'for' loop initial declaration used outside C99 mode
204001_0_7582.c:54: error: 'for' loop initial declaration used outside C99 mode