Compilare: user.cpp: In function ‘void sarray()’: user.cpp:101:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] count[s[i]] ++; ^ user.cpp:105:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos[-- count[s[i]]] = i; ^ user.cpp: In function ‘void init()’: user.cpp:27:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &npattern); ^ user.cpp:30:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &nfii); ^ user.cpp:34:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &pattern[i][j]); ^ user.cpp:37:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &ntree); ^ user.cpp:40:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &nfii); ^ user.cpp:44:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &tree[i][j]); ^ user.cpp: In function ‘int main()’: user.cpp:238:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("arbfind.in", "rt", stdin); ^ user.cpp:239:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("arbfind.out", "wt", stdout); ^ user.cpp: In function ‘void sarray()’: user.cpp:119:37: warning: ‘cbucket’ may be used uninitialized in this function [-Wmaybe-uninitialized] bucket[pos[i]] = cbucket; ^