Compilare: user.cpp: In function ‘bool verif(char*, char*, int)’: user.cpp:8:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (c[ B[i] ] == 0) { ^ user.cpp:9:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[ B[i] ] = A[i]; ^ user.cpp:10:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] } else if (c[ B[i] ] != A[i]) { ^ user.cpp: In function ‘int main()’: user.cpp:25:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[26]’ [-Wformat=] scanf("%s ", &A[i]); ^ user.cpp:35:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[26]’ [-Wformat=] scanf("%s ", &str); ^ user.cpp:19:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("criptare.in", "r", stdin); ^ user.cpp:20:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("criptare.out", "w", stdout); ^ user.cpp:22:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int N; scanf("%d", &N); ^ user.cpp:25:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s ", &A[i]); ^ user.cpp:30:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &M); ^ user.cpp:35:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s ", &str); ^