Compilare: main.cpp: In function 'int main()': main.cpp:42:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("%d\n",rez.size()); ^ main.cpp:43:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<rez.size() && i<1000; i++) ~^~~~~~~~~~~ main.cpp:13:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in","r",stdin); ^ main.cpp:14:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out","w",stdout); ^