Compilare: main.cpp: In function 'int main()': main.cpp:24:37: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if((a-b)%4==0||!a==b) ^~ main.cpp:31:35: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if((a-b)%4==0&&!a==b) ^~ main.cpp:38:38: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if((b-a)%2==0||!a==b) ^~ main.cpp:47:35: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if((b-a)%4==0&&!a==b) ^~ main.cpp:8:15: warning: unused variable 'v' [-Wunused-variable] int t,a,b,v; ^