Compilare: user.cpp: In function ‘int main()’: user.cpp:16:13: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>> s + 1; ^ user.cpp:40:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[ s[i] ][j] != -1){ ^ user.cpp:63:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[ s[i - 1] ][ii] != -1 && f[ s[n - i + 2] ][ii] != -1 && (i != 2 || ii != 0)){ ^ user.cpp:63:63: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[ s[i - 1] ][ii] != -1 && f[ s[n - i + 2] ][ii] != -1 && (i != 2 || ii != 0)){ ^ user.cpp:65:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[i - 1][x] > d[i][j] + f[ s[i - 1] ][ii] + f[ s[n - i + 2] ][ii]){ ^ user.cpp:65:84: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[i - 1][x] > d[i][j] + f[ s[i - 1] ][ii] + f[ s[n - i + 2] ][ii]){ ^ user.cpp:66:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i - 1][x] = d[i][j] + f[ s[i - 1] ][ii] + f[ s[n - i + 2] ][ii]; ^ user.cpp:66:85: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i - 1][x] = d[i][j] + f[ s[i - 1] ][ii] + f[ s[n - i + 2] ][ii]; ^ user.cpp:70:65: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[i - 1][x] == d[i][j] + f[ s[i - 1] ][ii] + f[ s[n - i + 2] ][ii] && t[i][j] < ii){ ^ user.cpp:70:89: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[i - 1][x] == d[i][j] + f[ s[i - 1] ][ii] + f[ s[n - i + 2] ][ii] && t[i][j] < ii){ ^ user.cpp:81:17: warning: unused variable ‘abc’ [-Wunused-variable] int abc = 0; ^