Compilare: main.cpp: In function 'int main()': main.cpp:43:43: warning: array subscript has type 'char' [-Wchar-subscripts] for (char i = 'a'; i <= 'z' ; ++i) f[i] = ++nr; ^ main.cpp:44:43: warning: array subscript has type 'char' [-Wchar-subscripts] for (char i = 'A'; i <= 'Z' ; ++i) f[i] = ++nr; ^ main.cpp:45:43: warning: array subscript has type 'char' [-Wchar-subscripts] for (char i = '0'; i <= '9' ; ++i) f[i] = ++nr; ^ main.cpp:49:35: warning: array subscript has type 'char' [-Wchar-subscripts] add(hashA1, hashA2, f[A[i]]); ^ main.cpp:53:35: warning: array subscript has type 'char' [-Wchar-subscripts] add(hashB1, hashB2, f[B[i]]); ^ main.cpp:65:42: warning: array subscript has type 'char' [-Wchar-subscripts] scoate(hashB1, hashB2, f[B[i - n]]); ^ main.cpp:66:35: warning: array subscript has type 'char' [-Wchar-subscripts] add(hashB1, hashB2, f[B[i]]); ^ main.cpp:33:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in", "r", stdin); ^ main.cpp:34:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out", "w", stdout); ^ main.cpp:36:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", A + 1); ^ main.cpp:37:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", B + 1); ^