Compilare: main.cpp: In function 'int main()': main.cpp:30:13: warning: array subscript has type 'char' [-Wchar-subscripts] vfs[s[i]]++; ^ main.cpp:31:15: warning: array subscript has type 'char' [-Wchar-subscripts] vfcs[cs[i]]++; ^ main.cpp:32:21: warning: array subscript has type 'char' [-Wchar-subscripts] ps[i] = vfs[s[i]]; ^ main.cpp:33:24: warning: array subscript has type 'char' [-Wchar-subscripts] pcs[i] = vfcs[cs[i]]; ^ main.cpp:92:34: warning: array subscript has type 'char' [-Wchar-subscripts] long long sol1 = nrs * vfs[ch]; ^ main.cpp:93:36: warning: array subscript has type 'char' [-Wchar-subscripts] long long sol2 = nrcs * vfcs[ch]; ^ main.cpp:23:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("caps.in", "r", stdin); ^ main.cpp:24:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("caps.out", "w", stdout); ^ main.cpp:25:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n", &k, &q); ^ main.cpp:26:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s); ^ main.cpp:37:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &n); ^