Compilare: main.cpp: In function 'void solve(int)': main.cpp:21:43: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] for (i=1; i<=p; i++) printf("%d", c[i]&1); ^ main.cpp: In function 'int main()': main.cpp:39:26: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen(FIN, "r", stdin); ^ main.cpp:40:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen(FOUT, "w", stdout); ^ main.cpp:41:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^