Compilare: main.cpp: In function 'int main()': main.cpp:105:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[100007]' [-Wformat=] scanf("%s", &s), n = strlen(s); ^ main.cpp:103:39: 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:104:41: 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:105:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s), n = strlen(s); ^