0_0_38590848_24129.cpp: In function 'int main()':
0_0_38590848_24129.cpp:14:3: error: 'memset' was not declared in this scope
memset(c1 , 0 ,sizeof(c1));
^~~~~~
0_0_38590848_24129.cpp:14:3: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_38590848_24129.cpp:2:1:
+#include <cstring>
using namespace std ;
0_0_38590848_24129.cpp:14:3:
memset(c1 , 0 ,sizeof(c1));
^~~~~~
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