Compilare: main.cpp: In constructor 'trie::trie()': main.cpp:44:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=0;i<26;i++) u[i]=0; par=0; ^~~ main.cpp:44:47: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i=0;i<26;i++) u[i]=0; par=0; ^~~ main.cpp: In function 'int main()': main.cpp:92:22: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[100007]' [-Wformat=] scanf("%s",&s), n=strlen(s); ^ main.cpp:90:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pal2.in","r",stdin); ^ main.cpp:91:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pal2.out","w",stdout); ^ main.cpp:92:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s), n=strlen(s); ^