Borderou de evaluare (job #681462)

Compilare: main.cpp: In function 'int main()': main.cpp:24:17: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | if(last[ch]==0){ | ^~ main.cpp:25:18: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | last[ch]=n; | ^~ main.cpp:28:28: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | sum+=1LL*(last[ch]-before_last[ch])*(n-last[ch]); | ^~ main.cpp:28:44: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | sum+=1LL*(last[ch]-before_last[ch])*(n-last[ch]); | ^~ main.cpp:28:57: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | sum+=1LL*(last[ch]-before_last[ch])*(n-last[ch]); | ^~ main.cpp:29:25: warning: array subscript has type 'char' [-Wchar-subscripts] 29 | before_last[ch]=last[ch]; | ^~ main.cpp:29:34: warning: array subscript has type 'char' [-Wchar-subscripts] 29 | before_last[ch]=last[ch]; | ^~ main.cpp:30:18: warning: array subscript has type 'char' [-Wchar-subscripts] 30 | last[ch]=n; | ^~