Compilare: user.cpp: In function ‘int main()’: user.cpp:25:39: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[50]’ [-Wformat=] scanf("%d %d %s" , &p , &n , &alph); ^ user.cpp:31:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[50]’ [-Wformat=] scanf("%s" , &cuv); ^ user.cpp:45:26: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘int*’ [-Wformat=] printf("%d" , &nr); ^ user.cpp:22:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in" , "r" , stdin); ^ user.cpp:23:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out" , "w" , stdout); ^ user.cpp:25:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %s" , &p , &n , &alph); ^ user.cpp:31:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s" , &cuv); ^