Compilare: main.cpp: In function 'int main()': main.cpp:59:21: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'unsigned int' [-Wformat=] printf("%ld\n", sol); ^ main.cpp:28:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("abc2.in","r",stdin); ^ main.cpp:29:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("abc2.out","w",stdout); ^ main.cpp:31:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s); ^ main.cpp:36:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", word); ^