Compilare: main.cpp: In function 'void bfs(ac*)': main.cpp:41:12: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(dolar=fr->fail;dolar!=t && dolar->f[i]==NULL;dolar=dolar->fail); ^~~ main.cpp:43:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(dolar->f[i]!=NULL && dolar->f[i]!=fr->f[i]) dolar=dolar->f[i]; ^~ main.cpp: In function 'void antibfs(ac*)': main.cpp:57:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<fr->nd.size(); ++j) final[fr->nd[j]]=fr->n0; ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ahocorasick.in","r",stdin); ^ main.cpp:64:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ahocorasick.out","w",stdout); ^ main.cpp:65:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",tx); ^ main.cpp:66:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:69:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",c); ^