Compilare: main.cpp: In function 'int cpy(int)': main.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int cpy2(int)': main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:39:19: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[100005]' [-Wformat=] scanf("%s", &s); ^ main.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("blis.in", "r",stdin); ^ main.cpp:36:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("blis.out", "w",stdout); ^ main.cpp:38:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^ main.cpp:39:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^