foo.cc: In function 'long long int query(long long int, long long int, long long int)':
foo.cc:51:42: error: expected ')' before ';' token
             for (;orz <= n;orz *= f[x][i];) {
                                          ^
foo.cc:51:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
             for (;orz <= n;orz *= f[x][i];) {
             ^~~
foo.cc:51:43: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
             for (;orz <= n;orz *= f[x][i];) {
                                           ^
foo.cc:51:43: error: expected primary-expression before ')' token