0_0_19187455_5253.cpp: In function 'int cmp(elem, elem)':
0_0_19187455_5253.cpp:28:32: error: 'strcmp' was not declared in this scope
return strcmp(a.name,b.name)<0?1:0;
^
0_0_19187455_5253.cpp: In function 'trie* newtrie()':
0_0_19187455_5253.cpp:35:35: error: 'memset' was not declared in this scope
memset(t,0,sizeof(struct trie));
^
0_0_19187455_5253.cpp: In function 'int main()':
0_0_19187455_5253.cpp:139:56: error: 'strcpy' was not declared in this scope
strcpy(add_str[len_add],stu[i].name);
^
0_0_19187455_5253.cpp:144:56: error: 'strcpy' was not declared in this scope
strcpy(del_str[len_del],stu[i].name);
^
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