Compilare: main.cpp: In function 'int main()': main.cpp:21:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 21 | fin>>s+1; | ~^~ main.cpp:40:32: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | while(v[i][j]<v[st[k]][j] && k>0) | ^ main.cpp:44:27: warning: array subscript has type 'char' [-Wchar-subscripts] 44 | sum[i]=sum[st[k]]+v[i][j]*(i-st[k]); | ^ main.cpp:44:45: warning: array subscript has type 'char' [-Wchar-subscripts] 44 | sum[i]=sum[st[k]]+v[i][j]*(i-st[k]); | ^ main.cpp:46:16: warning: array subscript has type 'char' [-Wchar-subscripts] 46 | st[++k]=i; | ^~~