Compilare: main.cpp: In function 'int prefix(char*, int)': main.cpp:17:12: warning: unused variable 'bestk' [-Wunused-variable] int k, bestk = 0; ^~~~~ main.cpp: In function 'bool inside(int, int)': main.cpp:47:9: warning: unused variable 'aux' [-Wunused-variable] int aux = prefix(s[ind2], l2), k = 0; ^~~ main.cpp: In function 'int main()': main.cpp:74:26: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[30005]' [-Wformat=] scanf("%s", &s[i]); ^ main.cpp:96:46: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] p[li + lj + 1] = NULL; ^~~~ main.cpp:69:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("adn.in", "r", stdin); ^ main.cpp:70:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("adn.out", "w", stdout); ^ main.cpp:72:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &n); ^ main.cpp:74:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s[i]); ^