0_0_38623458_12074.cpp: In function 'int main()':
0_0_38623458_12074.cpp:63:13: error: 'memset' was not declared in this scope
memset(dis,0,sizeof(dis));
^~~~~~
0_0_38623458_12074.cpp:63:13: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_38623458_12074.cpp:5:1:
+#include <cstring>
#define maxn 1000+3
0_0_38623458_12074.cpp:63:13:
memset(dis,0,sizeof(dis));
^~~~~~
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