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0_0_5525393_7406.c:2:19: iostream: No such file or directory
0_0_5525393_7406.c:3: error: syntax error before "namespace"
0_0_5525393_7406.c:5: error: variable-size type declared outside of any function
0_0_5525393_7406.c:5: error: variable-size type declared outside of any function