/in/foo.cc: In function 'int main()':
/in/foo.cc:39:13: warning: array subscript is above array bounds [-Warray-bounds]
     s[q].v[4]=s[q].v[2]+v;
     ~~~~~~~~^
/in/foo.cc:40:13: warning: array subscript is above array bounds [-Warray-bounds]
     s[q].w[4]=s[q].v[2]+v*q;
     ~~~~~~~~^