Compilare: main.cpp: In function 'int main()': main.cpp:24:15: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 24 | memset (v[i + 1 & 1], 0, sizeof (v[i + 1 & 1])); | ~~^~~ main.cpp:24:40: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 24 | memset (v[i + 1 & 1], 0, sizeof (v[i + 1 & 1])); | ~~^~~ main.cpp:26:13: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 26 | add (v[i + 1 & 1][(j * 10 + x) % k], v[i & 1][j]); | ~~^~~ main.cpp:27:13: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 27 | add (v[i + 1 & 1][j], v[i & 1][j]); | ~~^~~