Compilare: main.cpp: In function 'int main()': main.cpp:105:24: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1000004]' [-Wformat=] scanf ("%s", &s); ^ main.cpp:100:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("cli.in","r",stdin); ^ main.cpp:101:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("cli.out","w",stdout); ^ main.cpp:102:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d\n", &n, &k); ^ main.cpp:105:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%s", &s); ^ main.cpp: In function 'void v(Trie*)': main.cpp:72:16: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] r++; ^