Compilare: main.cpp: In function 'void citire(char*, int&)': main.cpp:27:21: warning: array subscript has type 'char' [-Wchar-subscripts] if (viz[s[n]] == 0) ^ main.cpp:28:21: warning: array subscript has type 'char' [-Wchar-subscripts] viz[s[n]] = ++k; ^ main.cpp: In function 'void precalc()': main.cpp:34:32: warning: array subscript has type 'char' [-Wchar-subscripts] e[i][n] = n + (viz[s[n]] != i + 1); ^ main.cpp:36:25: warning: array subscript has type 'char' [-Wchar-subscripts] if (viz[s[j]] == i + 1) ^ main.cpp:43:29: warning: array subscript has type 'char' [-Wchar-subscripts] unde[i] = v[viz[s[i]] - 1].size(); ^ main.cpp:44:19: warning: array subscript has type 'char' [-Wchar-subscripts] v[viz[s[i]] - 1].push_back(i); ^ main.cpp: In function 'bool check(int)': main.cpp:61:35: warning: array subscript has type 'char' [-Wchar-subscripts] poz = urm(poz, l, viz[s[i]] - 1); ^ main.cpp: In function 'int main()': main.cpp:82:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d ", &n, &q); ^ main.cpp: In function 'void citire(char*, int&)': main.cpp:23:32: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(s + 1, MAXN + 5, fin); ^