Compilare: main.cpp: In function 'int main()': main.cpp:55:29: warning: narrowing conversion of 'i' from 'int' to 'unsigned char' inside { } [-Wnarrowing] s[0][++nr]={i, j}; ^ main.cpp:55:29: warning: narrowing conversion of 'j' from 'int' to 'unsigned char' inside { } [-Wnarrowing] main.cpp:58:33: warning: narrowing conversion of 'j' from 'int' to 'unsigned char' inside { } [-Wnarrowing] s[0][++nr]={j, n-i+1}; ^ main.cpp:58:31: warning: narrowing conversion of '((n - i) + 1)' from 'int' to 'unsigned char' inside { } [-Wnarrowing] s[0][++nr]={j, n-i+1}; ~~~^~ main.cpp:61:28: warning: narrowing conversion of '((n - i) + 1)' from 'int' to 'unsigned char' inside { } [-Wnarrowing] s[0][++nr]={n-i+1, j}; ~~~^~ main.cpp:61:33: warning: narrowing conversion of 'j' from 'int' to 'unsigned char' inside { } [-Wnarrowing] s[0][++nr]={n-i+1, j}; ^ main.cpp:64:29: warning: narrowing conversion of 'j' from 'int' to 'unsigned char' inside { } [-Wnarrowing] s[0][++nr]={j, i}; ^ main.cpp:64:29: warning: narrowing conversion of 'i' from 'int' to 'unsigned char' inside { } [-Wnarrowing]