0_0_10131695_22070.c:1:19: iostream: No such file or directory
0_0_10131695_22070.c:2: error: syntax error before "namespace"
0_0_10131695_22070.c: In function `main':
0_0_10131695_22070.c:10: error: 'for' loop initial declaration used outside C99 mode
0_0_10131695_22070.c:14: error: `cin' undeclared (first use in this function)
0_0_10131695_22070.c:14: error: (Each undeclared identifier is reported only once
0_0_10131695_22070.c:14: error: for each function it appears in.)
0_0_10131695_22070.c:18: error: `cout' undeclared (first use in this function)
0_0_10131695_22070.c:18: error: `endl' undeclared (first use in this function)
0_0_10131695_22070.c: In function `fac':
0_0_10131695_22070.c:25: error: 'for' loop initial declaration used outside C99 mode
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